Salicylic acid is a beta-hydroxy acid. This means that it deeply penetrates into the skin pores to loosen dead skin cells and alleviating clogged pores and black heads. Because of its ability to getting absorbed deeply and cleansing, it makes a brilliant acne treatment. Salycilic acid can be used by almost anyone who has acne. However, you must avoid it if you’re pregnant or if you have sensitive skin, you must only stick to it as spot treatment.

Hyaluronic acid is the only acid that doesn’t work like the rest of the acids. It is a humectant, as opposed to a liquid exfoliator – meaning it holds up water into your skin so it remains plump and moisturised. Hyaluronic acid is highly effective ingredient as it holds up 10000 times the weight of its own atom. Prolonged use of it also helps in smoothening out fine lines.