Redness Enlarged pores Blackheads Breakouts: Paula's Choice Clear Regular Strength 2% BHA Exfoliant - Travel Size Liquid exfoliant gently exfoliates the skin's surface and inside pores for clearer skin. Your one-way ticket to brighter, blemish-free skin. This light yet powerful leave-on exfoliant is formulated with 2% BHA (salicylic acid) to clear breakouts, blackheads and mild to moderate acne. Quickly absorbed, the non-irritating formula gently exfoliates the skin's surface and inside the pores for clearer, brighter skin.