To achieve the look, it’s less about aggressively sloughing off dead skin cells with harsh exfoliants and more about using a gentle exfoliating and hydrating serum, such as the Bioré 2% BHA Exfoliating Hydra Serum. Key Ingredients: 2% salicylic acid, glycerin The Bioré 2% BHA Exfoliating Hydra Serum is somewhere between a toner, exfoliant, and hydrating serum. It’s also fast-absorbing, so you don’t have to wait for it to work its magic between the steps in your skincare routine.4 oz.2% salicylic acid, glycerinBioré 2% BHA Exfoliating Hydra Serum ReviewBioré 2% BHA Exfoliating Hydra Serum Before and After Jessie QuinnAs someone with ultra-dry skin, I can use all of the exfoliating support I can get. However, most exfoliating skincare products take what little moisture I have left in my complexion along with the dead skin cells and gunk. This exfoliating serum does more than give you mochi skin.