How to Fade PIH and Acne Marks: A Gentle Routine

Last updated: July 2026 · Written by Sarah, Founder of NAYA Skincare

How to fade acne marks and post-inflammatory hyperpigmentation

TL;DR - The Quick Answer

Do not attack a mark while the skin is still inflamed. Control the breakout, reduce irritation and protect the barrier before escalating acids, retinoids or pigment-focused treatments.
PIH is post-inflammatory hyperpigmentation: the flat brown or grey-brown mark left after a breakout has healed.
PIE or PIH? Pink or red marks are vascular. Brown marks are pigment. They can appear together, and gentle skincare plus sun protection helps both.
Best ingredients: azelaic acid, tranexamic acid, alpha arbutin, niacinamide, vitamin C, retinoids. One or two used consistently beats six used aggressively.
How long? Weeks to months, not days. There is no fast version.
Sun protection decides the outcome. Without it, you are fading a mark the sun keeps re-darkening.

The mark left behind often bothers people more than the spot did. And the instinct, understandably, is to attack it: brightening serum, strong acid, more of everything. That instinct is usually why the mark stays. Fading post-acne marks is less about intensity and more about sequence.

How to fade PIH: the short answer

PIH stands for post-inflammatory hyperpigmentation: the flat brown, grey-brown or darker mark that can remain after a breakout has healed. It is not a true scar and will often fade gradually over time, although some marks can persist for months or longer.

Control the inflammation first, then focus more directly on the remaining mark. That order matters because ongoing inflammation continues to stimulate pigment production. The problem is not using any brightening ingredient while a breakout is active; it is repeatedly irritating inflamed skin with stronger acids, scrubs and aggressive combinations.

Control, then clear, then fade, then protect. Escalate too early and you spend months fading a mark you are still actively creating.

The rest of this article is that sequence, in order, with the reasoning for each step.

PIE or PIH? Different priorities

PIE and PIH are often confused, but they have different treatment priorities. They can also appear together, and the distinction is not always obvious, particularly in deeper skin tones.

	PIE	PIH
Looks like	Pink or red	Brown or grey-brown
What it is	Vascular: dilated capillaries left after inflammation	Pigment: excess melanin left after inflammation
Priority	Calming and sun protection	Pigment-supporting ingredients and sun protection
Quick clue	May briefly lighten when pressed	Usually remains the same colour when pressed

This is only a rough clue, not a diagnostic test. If a mark is persistent, changing or difficult to identify, ask a dermatologist. Gentle skincare and daily photoprotection support both types, which is why the early stages of this routine are the same either way.

Stage 1: control the inflammation

If it is red and raised, it is still inflamed. This is not the moment to escalate: no stronger acids, no scrubs, no stacking three actives to speed things up.

What helps here is anything that reduces the inflammatory signal and supports the barrier: azelaic-pathway support to calm visible redness without over-drying, neuro-soothing peptides for stinging and flush, osmolytes such as Ectoin, and natural moisturising factors like Sodium PCA, urea and panthenol. If you train or sweat, cleansing afterwards with something genuinely gentle matters more than something strong.

From NAYA

For this stage: Gentle Bliss to cleanse without stripping, Cell Resilience Serum to hydrate and support the barrier, and NeuroCalm Serum on red areas, with peptides and azelaic-pathway support. If the barrier feels compromised, Skin Barrier Reset Cream is the recovery step.

Stage 2: clear gently

Once the spot is flattening, gentle exfoliation helps keep pores clear and smooths texture. Not gritty scrubs. Not daily high-strength peels. Mandelic acid, lactic acid or a PHA suit sensitive, acne-prone skin better than the strongest thing on the shelf. If your skin is stinging afterwards, that is not the acid working, that is the acid being too much.

Once the breakout is no longer actively inflamed, our Radiance Renewal Treatment can support the clearing and brightening stage through a multi-acid system combined with niacinamide and pigment-supporting ingredients. Because it is an active treatment, reactive skin should begin once weekly and avoid using it on the same evening as retinal.

The best ingredients for fading PIH and acne marks

Once the inflammation is settling, the best ingredients for fading PIH are those that address excess pigment without repeatedly irritating the skin.

Azelaic acidUseful because it works on both the breakout and the pigment left behind, which is unusual and makes it well suited to skin dealing with both at once.
Tranexamic acidTargets excess melanin, and tends to be well tolerated.
Alpha arbutinA gentle, slow brightener rather than a dramatic one.
NiacinamideHelps even the look of tone while supporting the barrier, which is a rare and useful combination.
Vitamin CAntioxidant support alongside its effect on the appearance of uneven tone.
Retinoids, at night onlySupport even turnover. Avoid during pregnancy or breastfeeding, and introduce slowly on reactive skin.

You do not need all six. On sensitive skin, one or two used consistently alongside daily sun protection will do more than several used aggressively. If your skin is reactive, Radiance Reborn Serum is our retinal step, and it belongs here rather than in the calming stage.

Stage 4: protect, or none of it holds

This is the step people skip, and it is the one that decides the outcome. UV exposure drives pigment production. Without daily protection, you are fading a mark that the sun keeps re-darkening, and you will conclude the brightener does not work when the problem was never the brightener.

Daily broad-spectrum SPF 50, ideally non-comedogenic and fragrance-free. The protection rating matters, and so does the application: high protection only works when enough is applied and reapplied consistently.

For persistent pigmentation, particularly in deeper skin tones, visible light may matter as well as UV. A tinted sunscreen containing iron oxides can offer additional visible-light protection. The best option is still one you can apply generously and wear consistently.

How long does PIH take to fade?

Longer than you want. Marks commonly soften gradually over weeks to months, not days, and older or deeper marks take longer. It varies a lot between individuals, and I would rather tell you that than promise a timeline I cannot stand behind.

Can you fade PIH fast?

There is no reliable way to erase PIH in a few days. The fastest sensible approach is to prevent further inflammation, avoid picking, use a consistent pigment-supporting routine and protect the area from sunlight. Trying to accelerate the process by layering stronger treatments often causes the irritation that keeps the cycle going.

"Every time you attack a mark out of impatience, you irritate the skin that made it. Fading is not a strength problem. It is a sequence problem."

If a mark has not changed at all over several months, a dermatologist can advise on options beyond skincare.

Breaking out in perimenopause?

Adult breakouts around perimenopause are common, and they are not teenage acne wearing a disguise. Shifting hormones can change how skin behaves and how oil is composed, while the barrier is often more reactive than it was a decade ago.

That combination explains why teenage-style acne routines so often backfire at this stage. They treat the spot and irritate the barrier, and an irritated barrier means more inflammation, which can mean marks that linger longer. If you are managing breakouts and sensitivity at the same time, the control-first sequence in this article matters more, not less.

Skin that breaks out and reacts needs a gentler plan than skin that only breaks out. Strength is not the variable to increase.

A PIH skincare routine for sensitive, acne-prone skin

Morning

Rinse, or cleanse gently if you need to. Then Cell Resilience Serum, NeuroCalm Serum where you need it, a moisturiser if your skin wants one, and SPF 50 last. You do not need to oil-cleanse every morning.

Retinal evenings (start with one or two a week)

Cleanser, Cell Resilience Serum, Radiance Reborn Serum, then your evening cream. Increase the frequency only if your skin stays comfortable.

Exfoliation evenings (start with one a week)

Cleanser, your acid step or Radiance Renewal Treatment, Cell Resilience Serum, then your evening cream. Move to twice weekly only if it is clearly well tolerated. Never on the same evening as your retinal.

Recovery evenings (most of the week)

Cleanser, Cell Resilience Serum, NeuroCalm Serum or simply your evening cream. No retinal, no exfoliating treatment. These nights are not a gap in the routine, they are what makes the active nights possible.

The NAYA post-breakout routine

Calm and prep: Cell Resilience Serum and NeuroCalm Serum on reactive areas.

Clear and brighten: Radiance Renewal Treatment, once weekly to begin.

Renew: Radiance Reborn Serum, one or two evenings a week.

Evening cream: Night Comfort, or Skin Barrier Reset Cream when the barrier needs additional recovery support.

Protect: Everyday Sun Cream SPF 50, every morning, reapplied.

Habits that do more than products

Hands off. Flip the pillowcase tonight and change it tomorrow. Clean your phone. Cleanse after workouts. Keep skin hydrated, because a comfortable barrier repairs faster than a stressed one.

Frequently Asked Questions

How do you fade PIH on sensitive skin?

Control the inflammation first, then focus more directly on the remaining mark. Ongoing inflammation keeps stimulating pigment production, so repeatedly irritating inflamed skin with stronger acids and aggressive combinations tends to prolong the mark. As the inflammation settles, ingredients such as azelaic acid, tranexamic acid, alpha arbutin, niacinamide, vitamin C and retinoids can support the fading of excess pigment. Daily sun protection is the step that decides whether any of it works.

How long does PIH take to fade?

It varies widely between individuals and is usually slower than people expect. Marks commonly soften gradually over weeks to months rather than days, and deeper or older marks take longer. Consistency and daily sun protection matter far more than the strength of any single active. If a mark is not changing at all over several months, a dermatologist can advise on options beyond skincare.

Can you fade PIH fast?

There is no reliable way to erase PIH in a few days. The fastest sensible approach is to prevent further inflammation, avoid picking, keep a consistent pigment-supporting routine and protect the area from sunlight. Trying to accelerate the process by layering stronger treatments often causes the irritation that keeps the cycle going.

What is the difference between PIE and PIH?

PIE (post-inflammatory erythema) marks tend to look pink or red and are vascular, so calming and sun protection are the priority. PIH (post-inflammatory hyperpigmentation) marks tend to look brown or grey-brown and are pigment, so pigment-supporting ingredients and sun protection are the useful approach. They can appear together, and the distinction is not always obvious, particularly in deeper skin tones. Gentle skincare and photoprotection help both.

What are the best ingredients for fading acne marks and PIH?

The most useful ingredients are those that address excess pigment without repeatedly irritating the skin: azelaic acid, tranexamic acid, alpha arbutin, niacinamide, vitamin C and retinoids. You do not need all of them. On sensitive skin, one or two used consistently alongside daily sun protection will do more than several used aggressively.

Why am I breaking out in perimenopause?

Adult breakouts around perimenopause are common and are not the same as teenage acne. Shifting hormones can change oil composition and skin behaviour, while the barrier is often more reactive than it was a decade earlier. That combination is why aggressive teenage-style acne routines frequently backfire at this stage: they treat the spot and irritate the barrier, which can make marks linger longer.