Pigmentation

Not every dark spot has the same cause

Updated

In short

  • Dark patches on the skin can have several different causes, and they can look alike.
  • Daily sun protection is the foundation. Improvement is usually gradual, and pigmentation can return.
  • Any new or changing spot should be checked, because not all dark marks are harmless.

Three common types

They can look alike, but an approach that suits one type can be unhelpful for another.

  • Melasma

    Looks like
    Symmetrical patches
    Often seen
    On the cheeks, forehead or upper lip
    Linked to
    Hormones, ultraviolet (UV) and visible light
  • Post-inflammatory marks

    Looks like
    Darkening left behind after the skin heals
    Often seen
    Where the skin was affected. More common and longer lasting in deeper skin tones
    Linked to
    Acne, a rash or an injury
  • Sun-related spots

    Looks like
    Flat, well-defined marks
    Often seen
    On areas with years of sun exposure
    Linked to
    Long-term sun exposure

Simplified drawings for general education. They can't be used to identify a skin concern.

What may help

Daily broad-spectrum sun protection is the foundation for all three types. Topical ingredients and in-clinic procedures are sometimes considered, but what’s suitable depends on the cause and on individual assessment.

Limits and risks

  • Results vary, and improvement is usually gradual.
  • Pigmentation can return, melasma especially.
  • Irritation from strong products, or heat from some procedures, can make pigmentation worse. This risk is higher in deeper skin tones.

When to see a doctor

Ask a qualified doctor to examine any spot that is:

  • New or changing
  • Bleeding
  • Unusual in shape or colour

A proper assessment should come before any treatment decision.

Questions to ask your doctor

  • What is the most likely cause of my pigmentation?
  • Does anything need to be checked or ruled out first?
  • What are the realistic benefits and limits of this option for my skin tone?
  • What could make it worse, and what happens if it comes back?

The information on this website is for general education only and is not a substitute for individual medical advice, diagnosis or treatment. Outcomes vary and all procedures carry risks.