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Pigmentation & Dark Spots: Causes, Warning Signs & When to See a Dermatologist

Dark spots, patches or uneven skin tone — such as melasma or marks left by acne — can be treated safely. A dermatologist can find the cause and recommend the right approach for your skin.

Medically reviewed by Dr Syed Adam Mousum, DermatologyLast reviewed:

Pigmentation and melasma at a Glance

Most common causes

  • Sun exposure
  • Melasma (hormonal)
  • Marks after acne or injury
  • Skin irritation
  • Wrong products

When to seek medical attention

  • Spreading or worsening pigmentation
  • Marks not fading
  • A spot that changes in size, shape or colour (get checked)
  • Pigmentation affecting confidence
  • Reaction to skin products

Specialist: Dr Syed Adam Mousum · Dermatology

What is Pigmentation and melasma?

Pigmentation refers to dark spots, patches or uneven tone on the skin, caused by excess melanin (the skin's colour pigment). Common forms include sun-related darkening, melasma (often hormonal, seen on the cheeks and forehead), and marks left behind after acne or injury. Our strong sunlight can worsen many of these. Pigmentation is usually harmless but can be persistent, and safe treatment exists. A dermatologist is important because the wrong creams can sometimes make pigmentation worse.

Common Causes

Sun-related Pigmentation

  • • Darkening on sun-exposed areas
  • • Worsens without sun protection

Melasma

  • • Symmetrical brown patches on cheeks/forehead
  • • Often linked to hormones
  • • Worsens with sun

Post-acne / Post-injury Marks

  • • Dark marks where pimples or injuries healed
  • • Fade slowly

Product or Irritation-related

  • • Darkening after irritation or harsh products

Bothered by dark spots? Talk to our dermatologist.

Symptoms That Should Not Be Ignored

  • Pigmentation that is spreading or worsening
  • Marks that are not fading on their own
  • A mole or spot that changes in size, shape or colour (always get this checked)
  • Pigmentation after using a skin product
  • Patches affecting your confidence
  • Pigmentation you are unsure about

How Doctors Evaluate Pigmentation and melasma

Your consultation may include: examination of the type, depth and pattern of pigmentation, a history of sun exposure, products and (for women) hormonal factors, and a closer skin examination when needed. This guides safe, effective treatment and rules out anything that needs separate attention.

Available Care at Healthwrx

Dark spots and uneven tone
Melasma
Post-acne marks
Sun-related pigmentation
Safe, dermatologist-guided treatment
Sun protection and skincare guidance

Meet the Specialist

Dr Syed Adam Mousum, Dermatology specialist at Healthwrx Guwahati

Dr Syed Adam Mousum

Dermatology

MBBS, MD Dermatology, Venerology, Leprosy · 8+ years

Specialist in dermatology with comprehensive care approach.

Frequently Asked Questions

Pigmentation and melasma Care in Guwahati

Patients from GS Road, Beltola, Dispur, Six Mile, Ganeshguri, Christian Basti, Maligaon and Hengrabari can consult our Dermatology specialist at Healthwrx. Safe, expert skin care close to home.

Related Pages

Concerned about pigmentation and melasma?

Book an appointment with our dermatology specialist today.

Common Questions

When should pigmentation be checked by a dermatologist?

When it is spreading, not fading, follows a product reaction, or if a mole or spot changes in size, shape or colour.

Which doctor treats pigmentation and dark spots?

A dermatologist diagnoses and treats pigmentation, melasma and dark spots.

Can dark spots be treated safely?

Yes. With dermatologist-guided treatment and sun protection, most pigmentation can be safely improved.

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