Dùng benzoyl peroxide. Thoa axit salicylic. Dùng axit alpha hydroxy. Thử dùng lưu huỳnh.

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Benzoyl peroxide is a common ingredient in acne washes and lotions. It works by killing bacteria that may otherwise clog pores to form new pimples. It also helps clear away excess oil and dead skin cells from the affected area. Benzoyl peroxide is usually found in strengths varying between 2.5 percent to 10 percent in over-the-counter products.  Possible side effects of benzoyl peroxide include bleached hair and clothing if using a product containing too much benzoyl peroxide. Caution should be