Azelaic Acid

Azelaic acid selectively targets hyperactive melanocytes while tranexamic acid inhibits UV-induced melanogenesis. Combined use for melasma.

BHA clears pores while azelaic acid reduces inflammation and kills C. acnes. Different mechanisms for comprehensive acne management.

Both reduce sebum and inflammation. Niacinamide strengthens barrier integrity which is often compromised in acne-prone skin.

Azelaic acid reduces redness and papules in rosacea while centella soothes inflammation and promotes healing. Effective rosacea management combo.

Azelaic acid selectively targets abnormal melanocytes while arbutin broadly inhibits tyrosinase. Powerful depigmenting combination.

Using both strong acids can over-exfoliate and increase irritation. One acid at a time is recommended for sensitive skin.

Both can cause irritation, peeling, and sensitivity. Should be introduced gradually if combined.