When a breakout clears, the mark it leaves behind can feel like a scar. But flat discoloration and a permanent change in skin texture are not the same thing. Knowing which one you are seeing helps you set realistic expectations and choose a safer next step.
This distinction is especially useful for melanin-rich skin, where inflammation is more likely to leave a brown, deep-brown, or blue-grey mark after the acne itself has settled.
The quick difference
Post-inflammatory hyperpigmentation (PIH) is a flat area of extra pigment. The surface of the skin usually feels the same as the skin around it. PIH can gradually fade, although the process may take months.
An acne scar changes the texture or structure of the skin. A scar may be indented, raised, firm, or uneven. The American Academy of Dermatology notes that the flat pigmented spots that appear after acne are generally not scars.
How to look at the mark
- Look from the front: Is the concern mostly a difference in colour?
- Look from the side: Does light reveal a dip, pit, ridge, or raised area?
- Gently feel the area: Does the texture feel level, or has the surface changed?
A flat brown or grey mark is more consistent with PIH. A depression or raised area is more consistent with scarring. It is possible to have both in the same place, so an in-person assessment may be useful when the difference is not clear.
Why acne leaves dark marks
Inflammation can signal pigment-producing cells to make more melanin. Picking, squeezing, harsh scrubbing, and irritating products can add more inflammation and make the mark more noticeable. Treating active breakouts early and gently is therefore part of preventing new marks.
Start with the Journal's complete guide to acne, then use the hyperpigmentation foundation guide to understand the pigment side of the concern.
What supports fading
Consistency matters more than adding many strong products at once. A practical routine usually focuses on gentle cleansing, a suitable targeted product, moisturizer, and daily sun protection. The AAD recommends broad-spectrum, water-resistant sunscreen with SPF 30 or higher; tinted formulas containing iron oxide can also help protect against visible light that may worsen dark spots.
Introduce one active at a time and patch test it. If a product burns, stings, or creates persistent irritation, stop and reassess. Irritation can work against the goal of a more even-looking tone.
What scars may need
Skincare can support a healthy-looking surface, but established indented or raised scars often need a dermatologist's assessment. Treatment depends on the scar type, skin tone, medical history, and whether active acne is controlled. Avoid attempting aggressive at-home procedures on textured scars.
When to get professional help
See a qualified dermatologist if acne is painful, deep, leaving new scars, or not improving; if a raised area is growing; or if you are unsure whether a mark is pigment or a scar. Early treatment can reduce the chance of additional scarring.
Sources and further reading
- American Academy of Dermatology: Acne scars, signs and symptoms
- American Academy of Dermatology: Acne care for darker skin tones
- American Academy of Dermatology: How to fade dark spots in darker skin tones
Foryou Skin Journal provides general skincare education and does not diagnose or treat medical conditions.