Achieve flawless skin with paulas choice skin perfecting 2 bha liquid exfoliant an exfoliating fluid fortified with salicylic acid to help renew skin and minimise pores absorbing quickly into the skin the leave on exfoliant targets both the skins surface and deep down sloughing away dulling dead skin cells whilst penetrating inside the pore to reshape and unclog deep within redness and blemishes are addressed and reduced its lightweight texture delivers deep exfoliation and increases