Melasma Watch: How to Prevent Pigment Darkening as UV Levels Rise

As spring transitions into summer, rising UV levels can trigger unwanted pigment changes — especially for those prone to melasma. Often appearing as symmetrical brown or gray-brown patches on the cheeks, forehead, upper lip, or jawline, melasma can deepen quickly with even brief sun exposure.

At MDCS Dermatology, we help patients proactively manage melasma before seasonal UV intensity peaks. Marisa K. Garshick, MD works closely with patients to create personalized pigment-prevention plans that reduce darkening and maintain a more even complexion year-round.

What Is Melasma?
Melasma is a chronic pigmentary condition driven by a combination of:

• UV exposure

• Hormonal influences

• Heat

• Genetic predisposition

• Visible light exposure

Unlike freckles or sunspots, melasma is often deeper in the skin and can be stubborn without targeted treatment.

Why Melasma Worsens in Warmer Months

1. Increased UV Radiation
Both UVA and UVB rays stimulate melanocytes (pigment-producing cells), intensifying discoloration.

2. Heat Exposure
Heat alone — even without direct sun — can activate pigment production. Outdoor workouts, beach days, and humid environments may worsen patches.

3. Visible Light
High-energy visible (HEV) light, including blue light from the sun and digital devices, can contribute to pigmentation, particularly in darker skin tones.

Because melasma is reactive, prevention is far more effective than trying to reverse deepened pigment later.

Step 1: Daily Broad-Spectrum Sun Protection
Dr. Garshick emphasizes consistent sunscreen use as the foundation of melasma management. Key strategies include:

• SPF 30 or higher, applied every morning

• Reapplication every 2 hours when outdoors

• Mineral-based sunscreens with zinc oxide or titanium dioxide

• Tinted formulas containing iron oxides for visible light protection

Hats and sun-protective clothing provide an additional layer of defense.

Step 2: Incorporate Targeted Brightening Ingredients
Topical treatments can help regulate pigment production and prevent worsening. These may include:

• Hydroquinone (short-term use when appropriate)

• Azelaic acid

• Tranexamic acid

• Vitamin C

• Retinoids to increase cell turnover

At MDCS Dermatology, treatment plans are carefully selected based on skin type, pigment depth, and tolerance level.

Step 3: Professional Treatments for Maintenance
For patients with persistent melasma, in-office treatments may help maintain clarity when used strategically. Options can include:

• Gentle chemical peels

• Laser or light-based therapies (used cautiously)

• Prescription-strength compounded creams

Because melasma can rebound with aggressive treatment, Dr. Garshick focuses on gradual, controlled improvement rather than overly intense procedures.

Step 4: Heat & Lifestyle Awareness
Small daily habits can make a difference:

• Avoid peak sun hours when possible

• Limit prolonged heat exposure

• Use umbrellas or seek shade outdoors

• Maintain a consistent skincare routine

Even minimal lapses in protection can trigger recurrence, making consistency critical.

When to See a Dermatologist
If you notice dark patches becoming more prominent, spreading, or resistant to over-the-counter products, professional evaluation is essential. Early intervention can prevent deeper, more stubborn pigmentation.

Marisa K. Garshick, MD at MDCS Dermatology develops personalized strategies to protect against rising UV exposure and maintain a balanced, even complexion.

Book your consultation here:
https://www.mdcsnyc.com/book-online