What are the treatment options for acanthosis nigricans?

Acanthosis nigricans creates darker, thicker, velvety skin, often in the neck, underarms, groin or other folds. It can be associated with insulin resistance, hormonal conditions, medicines or inherited tendencies. Treating a contributing health issue may soften the skin over time, although the colour and texture can persist.

A clinician may suggest a topical retinoid to encourage more even shedding of thickened skin; use it only as directed because irritation can make darker marks more noticeable. A chemical peel may improve surface texture or colour in selected cases, while laser toning may be considered for persistent pigmentation. These procedures need careful assessment, especially for deeper skin tones, because inflammation can cause additional pigmentation. Gentle cleansing, moisturising, sun protection and avoiding friction help support the skin.

Arrange a medical assessment if the change is new, spreading quickly, extensive, itchy or associated with other symptoms. A sudden widespread change deserves prompt review. Seek care sooner if folds are cracked, painful, oozing or developing a strong odour, since infection or another skin problem may need treatment.

Ask what might be contributing to the change, whether blood-sugar or hormone assessment is appropriate, and which treatment suits the location and your skin tone. Ask how long to try a cream before reviewing it and what signs of irritation mean you should stop.