Retinol for Acne Scars and Post-Acne Marks: Your Complete Guide

Does retinol help with acne scars? The short answer is yes. Retinol is one of the most evidence-backed ingredients available for fading post-blemish marks and improving the appearance of scarring, and in this guide we will explain exactly how it works, how long it takes and how to use it properly. If you have been searching for a reliable, science-led answer on retinol for acne scars, this is it.

Blemishes themselves are frustrating enough. But for many people, the marks left behind are the longer battle. The breakout clears, and in its place sits a stubborn red patch, a dark spot or a subtle dent in the skin’s surface that seems to linger for months. The good news is that these marks are not permanent, and retinol is one of the best-studied ingredients for addressing them.

Here is what you will learn in this guide:

• The difference between PIE, PIH and true scars, and how to identify which you have
• The complete science of how retinol targets each type of mark
• Which INKEY retinol strength suits your experience level and skin
• How to apply retinol safely and avoid the mistakes that derail results
• The full AM and PM routine that supports and amplifies retinol’s work
• Realistic month-by-month timelines, so you know exactly what to expect and when

If you want a head start on products, Starter Retinol Serum (£12.00 / 30ml) is our gentle introduction for first-time users, and Advanced 0.2% Retinal Serum (£15.00 / 15ml) is the step up for experienced skin. We will cover both in detail later.

One thing before we begin. Treating post-blemish marks effectively starts with knowing exactly what kind of mark you are dealing with, because the treatment approach and the timeline differ significantly between types. So that is where we start.

Understanding Your Post-Acne Marks: PIE, PIH and True Scars

Not all marks left behind by breakouts are the same, and this matters more than almost anything else in this guide. What most people casually call “acne scars” is actually three distinct things, each with its own cause, its own appearance and its own response to treatment. Misidentifying your marks is the fastest route to disappointment, because you will be measuring progress against the wrong timeline.

All three types share the same origin: they are the aftermath of inflammation from breakouts. When a blemish forms, the skin mounts an inflammatory response to deal with it, and that response can leave behind visible evidence long after the blemish itself has cleared. If you want to understand that underlying process in more depth, our guide to understanding blemishes and breakouts covers what actually happens in the skin during a breakout, and why prevention is half the battle.

Here are the three types you need to know.

Post-Inflammatory Erythema (PIE)

PIE shows up as flat red or pink marks. These are not caused by pigment at all. They are the result of dilated or damaged capillaries, the tiny blood vessels near the skin’s surface, left behind after inflammation. Because the redness comes from blood vessels rather than melanin, PIE tends to be more common and more visible in lighter skin tones, which makes it a particularly frequent concern in the UK.

PIE marks often look worse after exercise, hot showers or anything that increases blood flow to the face. They are flat to the touch, and this is a key distinguishing feature: if you can feel a dent or a bump, you are looking at something else.

Post-Inflammatory Hyperpigmentation (PIH)

PIH appears as brown, tan or dark marks. Here the culprit is melanin. Inflammation triggers melanocytes, the skin’s pigment-producing cells, to go into overdrive, depositing excess pigment at the site of the old blemish. Post-inflammatory hyperpigmentation is more common in medium to deeper skin tones, where melanocytes are naturally more reactive, and it has one particularly frustrating characteristic: UV exposure makes it darker.

This is worth dwelling on for anyone in the UK, because our climate creates a false sense of security. Overcast skies do not block UV. Research shows that meaningful levels of UV radiation penetrate cloud cover, which is more than enough to stimulate melanocytes and deepen existing PIH, according to NCBI research on UV exposure. A grey Tuesday in Manchester can quietly undo weeks of fading progress if your skin is unprotected. We will return to this in the sun protection section, because it is one of the most common reasons people feel their marks are not improving.

True Atrophic Scars

True scars are structural. They occur when inflammation runs deep enough to damage the collagen scaffolding beneath the skin, leaving behind an indentation once the skin heals. Dermatologists categorise atrophic scarring into three shapes:

1. Rolling scars - broad, shallow depressions with sloped edges that give skin a wavy texture
2. Boxcar scars - wider indentations with sharper, more defined edges
3. Ice-pick scars - narrow, deep pits that extend further into the skin

Unlike PIE and PIH, true scars involve actual tissue loss. That does not make them untreatable, but it does mean the timeline is longer and expectations need to be calibrated accordingly.

The Simple Glass Test

Not sure whether your marks are PIE or PIH? There is a quick test you can do at home right now.

Press a piece of clear glass (a drinking glass works fine) gently against the mark. If the mark disappears while the glass is pressed against it, it is PIE - the pressure temporarily empties the dilated capillaries. If the mark remains visible under pressure, it is likely PIH, because pigment does not move.

It takes ten seconds and it tells you a great deal about what your skin needs.

Most People Have a Combination

In reality, very few people have just one type of mark. A single breakout cycle can leave PIE in one spot, PIH in another and a shallow rolling scar somewhere else. The practical approach is to identify your dominant type and let that guide your routine, while knowing that retinol, helpfully, addresses all three through different mechanisms. For a deeper visual walkthrough of identifying every mark type, our complete acne scars guide is the definitive reference, and if your marks are dark rather than red, What Type of Hyperpigmentation Do I Have? will help you narrow things down further.

Two quick asides before we move on. First, if PIE redness is your dominant concern, azelaic acid deserves a place on your radar. It has a specific calming effect on the vascular reactivity behind red marks and pairs well with a retinol routine. Second, if you are still weighing up your options and want to explore gentler approaches before committing to an active ingredient, our guide on How to Get Rid of Acne Scars Naturally compares the alternatives honestly, so you can make an informed choice rather than a hopeful one.

Now that you know what you are treating, let us look at exactly how retinol works on each of these mark types, because the science here is genuinely impressive.

How Retinol Transforms Post-Acne Marks: The Complete Science

So, does retinol help with acne scars? This is the question that brought most readers here, and it deserves a thorough answer rather than a one-liner. Retinol’s effectiveness against post-blemish marks is not down to a single action. It works through four distinct, well-documented mechanisms, and understanding each one will help you understand why results unfold on the timeline they do.

Mechanism 1: Accelerated Cellular Turnover

Your skin naturally renews itself roughly every 28 days. Old cells at the surface shed away and fresh cells rise up to replace them. Retinol speeds this cycle up significantly, shortening renewal to approximately 14 to 21 days, as explained by the Cleveland Clinic.

Why does this matter for marks? Because pigmented and damaged cells are pushed to the surface and shed faster, and healthier, evenly pigmented cells replace them sooner. For PIH in particular, this is transformative: clinical studies have shown 40-60% reductions in post-inflammatory hyperpigmentation within 12 to 24 weeks of consistent retinoid use. Every renewal cycle carries a little more excess pigment out of the skin.

Mechanism 2: Anti-Inflammatory Action

Retinol has a calming effect on the inflammatory processes in the skin. This works on two fronts. For existing PIE, it helps settle the reactive capillaries responsible for lingering redness. Just as importantly, it reduces the inflammatory intensity of new breakouts, which means future blemishes are less likely to leave marks behind in the first place. This preventative effect is one of retinol’s most underrated benefits: you are not just treating the past, you are protecting the future.

Mechanism 3: Collagen Stimulation

This is where retinol earns its reputation with true atrophic scarring. Retinol stimulates fibroblasts, the cells responsible for producing collagen, and over sustained use this can increase collagen production by up to 80%. New collagen gradually rebuilds the structural support beneath shallow indentations, softening rolling scars and improving overall skin texture.

This is slow, cumulative work. Collagen remodelling happens over months, not weeks, which is why textural improvements in shallow atrophic scarring typically appear across the 3 to 6 month window rather than in the first flush of use.

Mechanism 4: Melanin Regulation

Beyond simply speeding up the removal of pigmented cells, retinol helps normalise melanocyte function itself. It moderates the signals that tell pigment cells to overproduce, which means less excess melanin is deposited when the skin experiences inflammation. Combined with the turnover effect, this creates a two-pronged attack on PIH: existing pigment exits faster, and new pigment is produced more evenly.

How Long Does Retinol Take to Work?

Pulling the four mechanisms together gives us a realistic results arc, and it is worth committing this to memory because it will anchor your expectations throughout your retinol journey:

• Weeks 4-6: first texture improvements, as accelerated turnover smooths the skin’s surface
• Weeks 6-8: PIE begins to fade, as the anti-inflammatory action calms lingering redness
• Weeks 8-12: PIH visibly lightens, as pigment-laden cells cycle out of the skin
• Months 3-6: deeper textural change in shallow scarring, as collagen remodelling takes effect

An Honest Word About Limits

We believe in being straight with you, so here it is: retinol can significantly improve shallow atrophic scarring, but it cannot fully erase deep ice-pick scars. Those narrow, deep pits involve substantial tissue loss that no topical ingredient can completely rebuild. Retinol will improve their appearance at the edges and refine the surrounding texture, and for many people that improvement is meaningful. But if deep ice-pick scarring is your primary concern, retinol works best as part of a broader plan that may eventually include professional treatments, which we cover later in this guide.

That honesty cuts both ways, though. For PIE, PIH and shallow textural scarring, which together account for the overwhelming majority of post-blemish marks, retinol is genuinely one of the most effective ingredients you can buy. The evidence is deep, consistent and decades old.

With the science established, the next question is a practical one: which retinol should you actually use? The answer depends on your experience level, and we have designed our range specifically around that progression.

INKEY’s Retinol Range: Your Progressive Treatment Options

The single biggest mistake people make with retinol is starting too strong. The second biggest is staying too gentle for too long once their skin has adapted. Our retinol range is built as a two-tier progression precisely to solve both problems: start at the level that matches your experience, then advance as your tolerance builds. Education before selling, always - so here is exactly who each product is for and why.

Starter Retinol Serum - £12.00 / 30ml

Starter Retinol Serum is where most people should begin, and it is engineered specifically to remove the traditional trade-off between results and irritation.

At its core is a slow-release Dual-Retinoid complex featuring encapsulated retinol, which has been proven 2x more effective than standard retinol*. Encapsulation matters because it releases the active gradually into the skin rather than delivering it all at once, which means deeper penetration with far less surface irritation. The formula also includes 0.2% Symrelief 100, a soothing complex that actively supports the skin barrier while the retinoid gets to work.

The results data speaks for itself:

• 95% of users experienced no irritation or redness**
• Fine line smoothing visible in seven days**
• Over 80% saw firmer, more even-looking skin in two weeks**

That “more even-looking skin” claim is the one to note if post-blemish marks are your concern, because evenness of tone is exactly what fading PIH and PIE delivers.

Best for: first-time retinol users, sensitive skin, and mild post-blemish marks. If you have never used a retinoid before, start here. There is no prize for skipping steps, and the gentlest effective start is the one you will actually stick with.

Advanced 0.2% Retinal Serum - £15.00 / 15ml

Advanced 0.2% Retinal Serum is the step up, and the science behind it is worth a moment of your time.

All retinoids must convert to retinoic acid, the active form your skin actually uses, before they can work. Standard retinol requires two conversion steps to get there. Retinaldehyde (retinal) requires only one. That single-step difference is why retinal works up to 11x faster than standard retinol* while remaining available without prescription.

The performance data reflects that speed:

• Deep wrinkle reduction visible in one week****
• 85% saw firmer skin at four weeks****

Best for: experienced retinoid users targeting stubborn marks and dark spots. If you have completed several months on a starter-strength retinol, your skin is fully adjusted and your PIH is proving persistent, this is your next move.

Which Should You Choose?

The honest answer for most readers is Starter Retinol Serum first, Advanced 0.2% Retinal Serum later. The progression model exists because retinoid tolerance is built, not assumed, and the users who see the best long-term results on marks are the ones who never had to take a three-week irritation break.

If you want to dig deeper into the chemistry between the two, our Retinol vs Retinal guide breaks down the conversion pathway, the evidence and the decision criteria in full detail. We will not repeat all of that here; the short version is that both work, retinal works faster, and your skin’s current tolerance should be the deciding factor rather than impatience.

At £12.00 and £15.00 respectively, both options put clinically supported retinoid treatment within reach without a premium price tag. That has always been the point of what we do: the knowledge and the ingredients, without the markup.

Choosing the right product, however, is only half the equation. The results you get will depend just as much on how you introduce it, and this is where most retinol journeys quietly go wrong.

Safe Application Guide: Maximising Results While Protecting Your Skin

Here is an uncomfortable truth about retinol: the most common reason it “doesn’t work” has nothing to do with the ingredient. It is the cycle of overuse, irritation and abandonment. Someone starts nightly, their skin protests within a week, they conclude retinol is not for them, and the bottle goes in a drawer. Every part of that cycle is avoidable, and this section exists to make sure it never happens to you.

The Low and Slow Protocol

Retinoid tolerance is built gradually, and the schedule below is the one we recommend for anyone starting either of our retinol products:

1. Weeks 1-2: once weekly, in the evening
2. Weeks 3-4: twice weekly, spaced 2-3 days apart
3. Weeks 5-8: every other night
4. Beyond week 8: if your skin is comfortable, you can continue every other night or progress towards nightly use

This feels slow. That is deliberate. Your skin needs time to upregulate the enzymes and adaptive processes that handle retinoids comfortably, and rushing this phase is how people end up with a compromised barrier and a paused routine. Two months of patient introduction buys you years of comfortable, effective use.

One rule is non-negotiable: retinol is an evening product. Retinoids degrade in sunlight and increase your skin’s photosensitivity, so applying in the evening protects both the ingredient and your skin.

The Five-Step Application Technique

1. Start with clean, completely dry skin - dampness increases penetration and irritation risk
2. Use a pea-sized amount for your entire face - more is not better, it is just more irritating
3. Apply in gentle upward motions, avoiding the immediate eye area and lips
4. Wait 10-15 minutes to allow full absorption
5. Seal with moisturiser to lock in hydration and buffer the skin

Understanding Retinol Purging

Somewhere in weeks two to four, you may notice more blemishes than usual and wonder if retinol is making things worse. This is almost certainly purging, and it is worth understanding properly because it is the point where most people give up unnecessarily.

Retinol purging is not a negative reaction. It is existing congestion, the blocked pores that were already forming beneath the surface, being pushed to the surface faster because of accelerated cellular turnover. The blemishes you see during a purge were always coming; retinol has simply compressed their timeline. Purging typically resolves within 4-6 weeks, appears in your usual breakout areas, and clears progressively as the backlog empties.

A genuine negative reaction looks different: breakouts in areas where you never normally get them, accompanied by persistent stinging, burning or rash-like irritation. If that describes your experience, or if you want to understand the difference between normal adjustment and real trouble, our guide on how a damaged skin barrier behaves explains the warning signs clearly.

Normal Adjustment vs Concerning Reactions

Normal adjustment symptoms (expected, temporary, manageable):

• Mild dryness or flaking, especially around the nose and mouth
• Slight redness for a few hours after application
• A short-term purge in your usual breakout zones
• Mild tightness that responds to moisturiser

Concerning reactions (reduce frequency or pause, and seek advice if persistent):

• Burning or stinging that does not settle
• Swelling, rash or hives
• Cracked, weeping or painful skin
• Breakouts in entirely new areas lasting beyond six weeks

For dryness management during the adjustment phase, The Moisture Sandwich Method is a genuinely useful technique: layering hydration beneath and above your treatment steps to keep the barrier comfortable without diluting your retinoid. And if your skin runs sensitive at baseline, two further reads will serve you well: Retinol for Sensitive Skin for a full tolerance-building strategy, and Can You Use Retinol with Rosacea-Prone Skin? if persistent redness or reactivity is part of your picture.

Sun Protection Is Not Optional

If you take one thing from this section, take this: daily SPF 30+ is essential, not optional, when using retinol for acne scars.

There are two reasons. First, retinol increases photosensitivity, so unprotected sun exposure risks irritation. Second, and more important for your goals, UV exposure directly darkens PIH. A single unprotected week of decent sunshine can visibly reverse weeks of pigment-fading progress. And as we covered earlier, UK cloud cover offers no meaningful protection - UV penetrates overcast skies year-round.

Our recommendation is Dewy Sunscreen SPF 30 (£15.00), a hydrating broad-spectrum formula that sits well under makeup and actually gets used daily, which is the only kind of SPF that works. For the full picture on why sun protection is the make-or-break factor in fading dark marks, see our pillar guide on SPF and hyperpigmentation and the companion deep dive, SPF for Hyperpigmentation.

UK Seasonal Considerations

Our climate asks slightly different things of a retinol routine across the year:

• Winter: harsh winds and central heating strip moisture from the skin, compounding retinol dryness. Switch to richer moisturiser layers, or temporarily reduce retinol frequency if flaking becomes persistent.
• Summer: longer days and stronger UV demand vigilant SPF reapplication, especially if you are outdoors through the middle of the day. Your PIH progress depends on it.

Safe application is the foundation. But retinol does not work in isolation, and the routine you build around it is what turns a good result into a great one. Let us build that routine now, step by step.

Building Your Complete Post-Acne Mark Routine

An effective acne scar treatment routine is a system, not a single hero product. Retinol does the heavy lifting overnight, but the products around it determine how comfortable your skin stays, how fast marks fade and how well you prevent new ones forming. Here is the complete AM and PM routine we recommend, with every product verified and priced so you can copy it exactly.

Your Morning Routine: Protect and Brighten

Step 1: Gentle cleansing. If your skin is blemish-prone, start with Salicylic Acid Cleanser (£12.00). Salicylic acid is oil-soluble, meaning it cleans inside the pore rather than just across the surface, helping prevent the new breakouts that would create new marks - our guide to salicylic acid explained covers exactly how it does this. If breakouts are largely behind you and brightening is the priority, Fulvic Acid Brightening Cleanser (£12.00) is the better fit.

Step 2: Antioxidant protection. 15% Vitamin C + EGF Serum does double duty: it brightens existing pigmentation and defends against the free-radical damage that worsens marks throughout the day. If you are new to the ingredient, what Vitamin C does explains why it is the daytime partner to your evening retinol rather than a competitor.

Step 3: Hydration. Bio-Active Ceramide Moisturiser (£19.00) locks in the serums and reinforces your barrier for the day ahead.

Step 4: Sun protection. Dewy Sunscreen SPF 30 (£15.00), every single morning, regardless of the weather. This is the step that protects everything the rest of the routine achieves.

Your Evening Routine: Treat and Repair

Step 1: Double cleanse. Start with Oat Cleansing Balm (£15.00) to melt away SPF, makeup and the day’s buildup, then follow with your morning cleanser. Retinol needs clean, product-free skin to penetrate properly.

Step 2: Hydrate on damp skin. Apply Hyaluronic Acid Serum (£9.00) while skin is still slightly damp from cleansing. Hyaluronic acid is a humectant that draws water into the skin, and as our guide to hyaluronic acid explainedcovers, this pre-hydration step is one of the simplest ways to keep a retinol routine comfortable.

Step 3: Anti-inflammatory support. Niacinamide Serum (£10.00) calms the skin and supports the barrier - our Niacinamide pillar explains the full mechanism. Crucially for this routine, niacinamide also plays a direct role in fading dark marks by interrupting the transfer of pigment between skin cells, which is why it accelerates results rather than just supporting comfort. Niacinamide for Hyperpigmentation & Dark Spots covers this brightening role in detail.

Step 4: Retinol. Apply your Starter Retinol Serum or Advanced 0.2% Retinal Serum following the low and slow protocol from the previous section. Remember: dry skin, pea-sized amount, 10-15 minute wait.

Step 5: Seal. Finish with Bio-Active Ceramide Moisturiser. Ceramides are the lipids that hold your skin barrier together, and replenishing them nightly is what allows your skin to tolerate consistent retinoid use - see ceramides explained for why this final step matters more than it looks.

The full routine runs roughly £9.00 to £19.00 per product. A complete, clinically grounded regime for post-blemish marks does not need to cost more than that.

What Layers Safely With Retinol

These ingredients actively support your retinol results and can be used in the same evening routine:

• Hyaluronic acid - hydrates and buffers, no interaction concerns
• Niacinamide - calms, brightens and pairs beautifully; our guide Can You Use Niacinamide with Retinol?confirms why this is one of skincare’s best partnerships
• Ceramides - rebuild the barrier retinol temporarily challenges

What Not to Layer With Retinol

• Vitamin C in the same application - the pH environments conflict and irritation risk rises. Split them instead: vitamin C in the morning, retinol at night, exactly as this routine does.
• AHA/BHA exfoliating acids - layering these with retinol in one session is a recipe for irritation. Alternate nights initially. If you are wondering how your salicylic acid cleanser fits into this, the answer is that a rinse-off cleanser is far gentler than a leave-on acid, and our guide Salicylic Acid and Retinol: Can You Use Them Together?explains exactly how to combine them safely.
• Benzoyl peroxide - it can deactivate retinol and compound irritation. Keep them in separate routines entirely.

For the complete rulebook on ingredient conflicts, What Not to Mix with Retinol is the definitive reference.

With your routine built and your protocol in place, there is one final piece of the puzzle: knowing what realistic progress actually looks like, month by month, so you can tell the difference between a routine that needs more time and one that needs adjusting.

Real Results: What to Expect and When, Plus Your Questions Answered

Skincare marketing has trained us all to expect transformation in a fortnight. Real skin biology does not work that way, and the people who get the best results from retinol for acne scars are, almost without exception, the ones who understood the timeline before they started. Here is the honest version.

The Month-by-Month Improvement Timeline

Weeks 1-4: The adjustment phase. Expect minimal visible change in your marks. This period is about your skin adapting to the retinoid: possible mild dryness, possible purging, gradually improving comfort. Progress is happening at the cellular level, it is just not visible yet. Do not judge anything during this window.

Weeks 6-12: First visible fading. PIE typically responds first, with red marks becoming noticeably less intense. PIH begins its slower fade towards the end of this window. Skin texture and overall tone start looking more refined. This is where most people first catch themselves thinking their skin looks better.

Months 3-6: The dramatic window. This is where consistent users see the payoff, with clinical studies supporting 40-70% mark reduction as achievable within this period. PIH fades substantially, PIE may resolve entirely, and shallow textural scarring begins to visibly soften as collagen remodelling accumulates.

Beyond 6 months: continued textural improvement, ongoing collagen benefits and, just as valuably, prevention: new breakouts become less frequent and less likely to leave marks behind.

Factors That Affect Your Results

No two timelines are identical, and four variables explain most of the difference:

1. Mark age - a three-month-old mark fades far faster than a three-year-old one
2. Skin type - deeper skin tones may need longer for PIH due to more active melanocytes
3. Age - cellular turnover and collagen production naturally slow over time, extending timelines slightly
4. Lifestyle - sun exposure, smoking, sleep and picking at blemishes all measurably influence outcomes

When to Consider Professional Treatment

If you have used retinol consistently for six months with proper sun protection and see no improvement, or if your primary concern is severe atrophic scarring, professional options are worth exploring. Chemical peels, microneedling and laser treatments can address structural scarring more aggressively than any topical product. Importantly, these work alongside retinol rather than replacing it - most practitioners will actually want you on a retinoid before and after treatment, because it improves healing and amplifies results.

Signs Your Routine Is Working

• Marks look less intense in colour, even if not yet gone
• New blemishes heal faster and leave fainter marks
• Overall texture feels smoother to the touch
• Skin tone appears more even in natural light
• Monthly photos show change that day-to-day mirrors miss

Remember: consistency trumps perfection. A routine followed imperfectly for six months will always beat a perfect routine abandoned at week three.

The Bottom Line: Post-Blemish Marks Are Not Permanent

If you started this article wondering whether retinol for acne scars actually delivers, here is the summary you can act on: post-blemish marks are not a life sentence. With a scientifically proven retinoid, realistic expectations and consistent application, significant improvement is achievable for virtually every mark type - red PIE, dark PIH and shallow textural scarring alike.

Your six next steps, in order:

1. Identify your mark type using the glass test and our complete acne scars guide
2. Choose your retinol strength - Starter for newcomers and sensitive skin, Advanced Retinal for experienced users
3. Introduce gradually with the low and slow protocol, evenings only
4. Build the supporting routine - hydration, niacinamide, ceramides and non-negotiable daily SPF 30+
5. Stay consistent through the full 3-6 month window, especially when weeks 1-4 test your patience
6. Document progress monthly, not daily - photos in consistent lighting will show you what the mirror hides

And a final word on cost, because it matters. Effective, clinically supported treatment for post-blemish marks does not require a premium price tag. Starter Retinol Serum begins the journey at £12.00, and Advanced 0.2% Retinal Serumtakes it further at £15.00. Clinical-grade ingredients, honest science, real results - that has always been the deal.

Ready to start? Shop the full Blemish Scars collection to explore every product formulated for post-blemish marks, take our personalised skincare quiz to find your ideal retinol match in under two minutes, or try the Breakout Analyser Pro for AI-powered, dermatologist-backed guidance tailored to your skin. Whichever route you choose, the science is on your side - and now, so is the knowledge.

Products in this article:

• Starter Retinol Serum - £12.00 / 30ml
• Advanced 0.2% Retinal Serum - £15.00 / 15ml

Related Articles:

• Retinol vs Retinal: Which Is Right for You?
• Retinol for Sensitive Skin
• Can You Use Niacinamide with Retinol?
• What Not to Mix with Retinol
• What Type of Hyperpigmentation Do I Have?
• SPF for Hyperpigmentation
• How to Get Rid of Acne Scars Naturally
• Can You Use Retinol with Rosacea-Prone Skin?
• The Moisture Sandwich Method
• Salicylic Acid and Retinol: Can You Use Them Together?
• Niacinamide for Hyperpigmentation & Dark Spots

\Encapsulated retinol proven 2x more effective than standard retinol, per comparative formulation studies.*

\*Based on independent consumer and clinical studies of Starter Retinol Serum over two weeks of use.*

\**Retinaldehyde shown to work up to 11x faster than standard retinol; Siegenthaler et al., 1990.*

\***Based on clinical studies of Advanced 0.2% Retinal Serum over four weeks of use.*