Woman applying crème to fade dark marks left after acne
Skincare Guide

Acne Marks vs Acne Scars: How to Tell, and What Fades

By Perfec-Tone Skin Team ·

Both dark marks and acne scars respond to the right routine. Marks are trapped pigment and they fade in weeks. Scars are a change in the skin's structure, and they take months, because what you are doing is rebuilding collagen and resurfacing the layers around the indent rather than fading a colour. Same products, very different timelines, and knowing which you have tells you how long to commit.

Key takeaways

  • Run a finger over it. Flat and smooth means a mark. A dip or an uneven surface means an atrophic scar.
  • Marks fade fast: change by day 3, most of it by day 14, largely resolved by day 30.
  • Atrophic scars respond too, but on a collagen timeline. Think 3 to 6 months of consistent use, with texture continuing to improve past that.
  • The engine for both is Resurfacing Crème on the 14-on, 3-off cycle, with Exfoliating Cleanser clearing the surface layers.

How to tell which one you have

Wash your hands, close your eyes and run a fingertip slowly over the area. You are feeling for texture, because colour will mislead you here.

  • Flat and smooth, but discoloured. A mark: post-inflammatory hyperpigmentation. Pigment sitting in the skin.
  • A dip, a pit or a soft unevenness. An atrophic scar, where collagen was lost during healing. This is the most common kind of acne scarring by a wide margin.
  • Raised and firm. A hypertrophic or keloid scar, where the skin built too much collagen. This one behaves differently from the other two and is worth talking to us about before you start, rather than treating it the same way.

Why retinol works on scar tissue

An atrophic scar is a collagen deficit. The skin lost dermal collagen during the inflammatory healing process and the surface sank to fill the gap. Retinol acts on that directly: it signals fibroblasts, the cells that build collagen, to produce more of it, and it reorganises the collagen bundles that are already there. Over months, that lifts the floor of the indent and softens its edges. Alongside it, exfoliation clears the compacted surface layers around the scar so the whole area levels out rather than the indent staying sharply defined.

This is well established in the dermatology literature: topical retinoids improve the appearance of atrophic acne scars and support collagen remodeling. The important detail is that new collagen deposits slowly. Studies measuring this run 24 to 48 weeks, not 4. Anyone selling you scar resolution in a month is not being honest with you.

The routine, for marks and for scars

  1. Morning: Exfoliating Cleanser, pea-sized amount, 30 to 60 seconds. Then Clarifying Gel, 2 pumps over the whole face, dry 1 to 2 minutes. Then Refining Crème, 4 pumps, for SPF.
  2. Night: Exfoliating Cleanser, Clarifying Gel, then Resurfacing Crème, 5 pumps in a thin even layer, on a 14-nights-on, 3-nights-off cycle. Patch test on your arm first and ease in every other night for the first week.
  3. For five or fewer stubborn marks: Spot Treatment on those instead of Resurfacing Crème, never both on the same day. Spot Eraser conflicts with nothing and can be added morning and night either way.

The routine is identical whether you are treating marks, scars or both. What changes is how long you run it. For scars, keep the cycles going past the 30-day point and judge at 3 months, then again at 6.

What to expect, honestly

For marks: change by day 3, most of the visible change by day 14, and 94% of clients who complete the full protocol as directed reach their skin goal by day 30.

For atrophic scars: the first thing that improves is usually the colour around the scar, which alone makes it far less noticeable. Texture follows more slowly. Shallow, broad scars respond best. Deep, narrow scars improve but rarely disappear completely with topicals alone, and for those our in-studio Restoration System does more in fewer sessions than home use will. We would rather tell you that up front than have you judge the products at week 6.

Peeling of 4 to 7 days between day 4 and day 14 is normal, heaviest around the nose, chin and mouth. Tingling, dryness and flaking are normal. Burning, raw skin and swelling are not. See what's normal and what's not.

What makes scarring worse

  • Picking and squeezing. This is the main cause of scarring in the first place. It pushes inflammation deeper and damages the tissue that decides whether you get a mark or a scar.
  • Leaving deep or cystic acne untreated. The longer inflammation sits in the skin, the more collagen is lost. Treating active acne early is genuinely the best scar prevention there is.
  • Stopping at week six. With scars specifically, six weeks is where people quit and it is well before collagen work shows.

Not sure what you are looking at? Read what your first 30 days look like, or send us a photo and we will tell you which one it is and how long yours will take.

Frequently asked questions

Can a cream really improve an indented scar?

Yes, over months rather than weeks. Retinol stimulates new collagen in the dermis and reorganises existing collagen, which lifts and softens an atrophic scar, while exfoliation levels the surface layers around it. Shallow scars respond best; deep narrow ones improve but may not fully resolve without in-studio work.

Do dark marks turn into scars if I wait too long?

No. A flat mark and a scar are different from the start, and a mark does not become a scar by waiting. Picking at breakouts is what causes scarring.

How long before I judge the results on a scar?

Three months, then reassess at six. New collagen deposits slowly, so the 30-day timeline that applies to pigment does not apply to texture. Colour improvement usually comes first and makes a visible difference on its own.

Does scarring behave differently on deeper skin tones?

The scar itself responds the same way. What differs is that deeper tones tend to hold the surrounding pigment longer, so the mark and the scar often need addressing together, which is exactly what this routine does.

25% Off First Order

Marks in weeks, scars in months. Start the routine.

See Your First 30 Days →
Perfec-Tone
About the author
Perfec-Tone Skin Team

Written by the Perfec-Tone studio team, who have treated hyperpigmentation-prone skin in Nassau, Bahamas since 1980. Every routine on this blog follows the same protocol our team uses with clients in the studio. Read the Perfec-Tone story