This gentle leaveon exfoliant works within the pore lining to prevent congestion & blemishes. 2% BHA is clinically proven to visibly reduce pores, control oil & support skin's barrier. Exfoliation helps the rest of your routine absorb better and work harder for a glowing, makeupready complexion. Ingredients: BHA (beta hydroxy acid): Penetrates pores to clear blemishcausing buildup and shed dead skin. Green Tea Extract: Potent antioxidant quickly calms redness & soothes skin barrier. Methylpropanediol: Hydrates & prevents water loss while visibly improving skin's glow. Clinical Results: 'Clinically proven to visibly reduce pores & control oil Based on an independent clinical study with 32 subjects after 4 weeks. 'Clinically proven to visibly reduce blackheads & whiteheads Based on an independent clinical study with 33 subjects after 1 week. 'Clinically proven to improve skin barrier Based on an independent clinical study of 29 subjects. | Paula's Choice Skin Perfecting 2% BHA Liquid Exfoliant - Trial Size, 30 ml | Dermstore