4. Salicylic Acid

You’ve heard of this one, haven’t you?

Salicylic acid is an ingredient that gets into your pores and helps keep them clean, preventing acne and blackheads.

You’ll find it in many skincare products that are used on acne-prone skin, from blemish busters to facial cleansers.

If you suffer from pimples, this is one acid you've got to add to your skincare routine right away.

Hyaluronic Acid