
Salicylic acid and benzoyl peroxide are two of the most popular and effective ingredients for treating acne, but they work in fundamentally different ways. Salicylic acid is a beta-hydroxy acid (BHA) that exfoliates the skin, penetrating deep into pores to dissolve dead skin cells and oil. It’s a great choice for those with blackheads, whiteheads, and oily, congested skin. It’s also known for its anti-inflammatory properties, which can help calm red, irritated breakouts.
Benzoyl peroxide, on the other hand, is a powerful antimicrobial agent. It works by introducing oxygen into the pore, killing the bacteria (P.acnes) that contribute to inflammatory acne like pustules and cysts. Because it targets bacteria, it’s particularly effective for moderate to severe breakouts. When using either ingredient, it’s crucial to start with a lower concentration and patch test to avoid irritation. Both can cause dryness, so a gentle moisturizer is a must. For best results, consult a dermatologist to determine which ingredient, or combination, is best suited for your specific acne type.