Hyperpigmentation has three distinct causes — sun damage, hormonal influence (melasma), and post-inflammatory response — each requiring a different treatment approach.
get startedHyperpigmentation 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.
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.
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.
Patients with hyperpigmentation typically describe:
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.
Treatment is selected based on the type and depth of pigmentation.
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.

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