Products that lighten dark spots: what to know

Dark patches can follow acne, eczema, bites, or other inflammation. Sun exposure can deepen existing pigment, while melasma often appears as larger, symmetrical facial patches. A fungal condition such as tinea versicolor may create lighter or darker areas with fine scale. The appearance helps guide treatment, but a photograph or product label cannot confirm the cause.

Start with a gentle cleanser, moisturiser, and broad-spectrum sunscreen; daily light protection helps prevent treated pigment from becoming darker. Introduce one active product at a time and patch-test it on a small area. Stop if you develop burning, swelling, blistering, or a worsening rash. A clinician may suggest a tailored brightening plan, chemical peel, or picosecond laser treatment when creams are insufficient or the diagnosis needs clarification.

Arrange a skin assessment for a new, rapidly changing, bleeding, crusted, very irregular, or persistently itchy spot. Seek advice sooner if pigmentation follows a severe reaction or spreads despite stopping an irritating product. Treatment should address the trigger as well as visible colour.

Ask what is causing the pigmentation, which ingredients suit your skin, how often to apply them, and what warning signs mean you should stop. Ask whether melasma, post-inflammatory hyperpigmentation, or sun spots better explains the pattern.