Black and white portrait representing hyperpigmentation and uneven skin discoloration concern at CAMIBlack and white portrait representing hyperpigmentation and uneven skin discoloration concern at CAMI

Hyperpigmentation: Identifying the Type Before Treating It

Hyperpigmentation has three distinct causes — sun damage, hormonal influence (melasma), and post-inflammatory response — each requiring a different treatment approach.

get started
Pigment & Redness

Hyperpigmentation has three different causes. The treatment that works depends entirely on which one you have.

What It Is

Hyperpigmentation is a broad term for areas of skin that are darker than the surrounding complexion due to excess melanin production. It ranges from discrete sun spots and post-acne marks to the diffuse, patterned discoloration of melasma. It's one of the most common skin concerns across all skin types and tones, and one of the most variable in terms of how it presents and how it responds to treatment.

Why Patients Seek Treatment

Patients come in about hyperpigmentation when it has become noticeable in photos or in certain lighting, or when a skincare routine has plateaued and stopped making progress. The frustration of trying many products without results is one of the most common things we hear.

UNDERSTANDING THE SCIENCE

Melanocytes respond to UV, inflammation, and hormones through distinct, targetable pathways.

What Causes It
Common Signs
Why It Changes Over Time
How It's Commonly Addressed
01

What Causes It

Hyperpigmentation has three primary causes that each require a different treatment approach.

UV exposure: The most common driver. UV radiation stimulates melanocytes to produce more melanin as a protective response. Cumulative sun exposure produces sun spots, diffuse tanning, and the irregular discoloration of photodamaged skin.

Post-inflammatory hyperpigmentation (PIH): Follows any inflammatory injury to the skin — acne, cuts, burns, procedures, or irritation. The inflammatory cascade triggers excess melanin production at the site of injury. More pronounced in medium-to-darker skin tones.

Hormonal influence (melasma): Estrogen and progesterone stimulate melanocyte activity. Melasma appears as symmetrical, diffuse patches typically across the cheeks, forehead, and upper lip. Triggered or worsened by sun exposure, pregnancy, oral contraceptives, and perimenopause.

02

Common Signs

Patients with hyperpigmentation typically describe:

  • Dark spots or patches that are darker than the surrounding skin
  • Discoloration that remains after acne or skin trauma has healed
  • Diffuse tanning or uneven tone across sun-exposed areas
  • Symmetrical patches across the cheeks, forehead, or upper lip (melasma pattern)
  • Overall complexion clarity that has declined over time
03

Why It Changes Over Time

UV-driven hyperpigmentation accumulates with every year of sun exposure. Spots that were faint at 35 can become significantly more visible by 50 as melanocyte overactivation compounds and the skin's ability to regulate pigment production naturally declines.

Melasma can appear or worsen at multiple hormonal transition points — pregnancy, starting or stopping oral contraceptives, perimenopause — and will recur with UV exposure regardless of prior treatment. Managing it requires an ongoing commitment to sun protection and periodic maintenance treatment.

PIH tends to resolve over time without treatment in many patients, but slowly — taking 6–24 months to fade significantly. Active darkening slows once the inflammatory trigger is removed.

04

How It's Commonly Addressed

Treatment is selected based on the type and depth of pigmentation.

  • Daily SPF: Non-negotiable for any hyperpigmentation treatment. UV exposure drives melanin production and will undo any treatment in progress.
  • Topical brightening agents: Vitamin C, niacinamide, kojic acid, azelaic acid, and tranexamic acid each work through different melanin-inhibiting pathways. Used in combination for additive effect.
  • Chemical peels: Accelerate cell turnover to lift pigment toward the surface and off. Particularly effective for PIH and diffuse sun damage. Brightening peel formulations target melanin specifically.
  • IPL and laser: Selectively target melanin in discrete spots or diffuse damage. IPL is effective for broad sun damage; specific lasers address melasma and deeper pigment. Treatment selection depends on skin tone and pigment type.

We identify the type before we select the treatment.

At CAMI, hyperpigmentation treatment starts with identification. Treating melasma with aggressive laser can worsen it. Treating PIH with the wrong peel can deepen it. The protocol is built around the specific type, the patient's skin tone, and the realistic outcomes for that combination.

We're also direct about what's achievable. Significant improvement is consistently possible. Complete, permanent resolution — particularly for melasma — requires ongoing management rather than a one-time intervention.

get started

Treatments for
This Concern

FAQ

What causes hyperpigmentation?
What's the best approach to uneven skin tone?
What causes sun spots and age spots?
Do sun spots come back after treatment?

Explore Related
concerns