Benzoyl peroxide is commonly found in skincare that is designed to treat acne. 

Working as a antimicrobial agent, it kills the bacteria that contribute to acne breakouts. Benzoyl peroxide penetrates the skin and releases oxygen, which kills the bacteria, it is also great at removing dead skin cells and excess oil from the skins surface, which can prevent pores from becoming clogged.

Caution: Benzoyl peroxide a highly effective ingredient and available at different potencies (between 2.5% - 10%) but it can cause irritations such as dryness and redness. 

Benzoyl peroxide can make the skin more sensitive to sunlight, so it is vital that you use sunscreen and limit sun exposure both during and post use. 

Inci name: Benzoyl peroxide/ Dibenzoyl peroxide