#irritation

Benzoyl Peroxide and PIH in Skin of Color: The 1986 Evidence Mainstream Acne Care Skips

Benzoyl peroxide treats acne and causes hyperpigmentation in darker skin tones. The concentration that minimizes the trade-off has been known since 1986…

Tretinoin in Skin of Color: The Paradox Most Coverage Misses

Tretinoin is the gold-standard retinoid for hyperpigmentation, and one of the more common iatrogenic causes of hyperpigmentation in darker skin tones. Both…