## Paulas Choice 2% BHA Liquid Exfoliant Review Chemical exfoliation using BHA (beta hydroxy acid) is a game-changer for acne and congestion, and Paulas Choice offers one of the most effective formulations available. ### How It Works BHA penetrates pores to dissolve excess sebum and dead skin cells from within. This prevents clogged pores and reduces acne breakouts at the source. ### Results Timeline - **Week 1-2**: Possible minor purging as trapped impurities surface - **Week 3-4**: Noticeably clearer, refined texture - **Week 8+**: Dramatically improved skin clarity and evenness ### Introduction Protocol Start with 2-3x weekly to assess tolerance. Gradual increase to daily use as skin adapts prevents irritation. ### Perfect For - Oily and combination skin - Acne-prone types - Those with enlarged pores - Congestion and blackheads **Rating: 4.6/5** - Clinical-grade exfoliation that transforms skin.