Paulas Choice SKIN PERFECTING 2% BHA Liquid Salicylic Acid Exfoliant

The primary solvent and base of the formulation. Water serves as the vehicle for all active and supporting ingredients, ensuring proper hydration and allowing the salicylic acid to penetrate effectively into pores.

A glycol that functions as a solvent and penetration enhancer while providing hydration without a tacky feel. It has antimicrobial properties and acts as a preservative booster, making it an excellent replacement for other glycols. Approved by Ecocert and used in natural products.

A glycol solvent that hydrates skin while enhancing the penetration of active ingredients like salicylic acid. It contributes to the lightweight, fast-absorbing texture of the product and helps improve skin's overall appearance without leaving a sticky residue.

The gold standard BHA (beta hydroxy acid) at 2% concentration. Salicylic acid penetrates pores to dissolve sebum and dead skin cells, making it highly effective for congestion and blackhead removal. It's a superstar ingredient with proven clinical efficacy and is considered the most effective chemical exfoliant for problem skin.

A gentle emulsifier and surfactant that helps blend water and oil-soluble ingredients, ensuring the product has a uniform consistency and that all active ingredients are evenly distributed throughout the formula.

Green tea extract is a powerful antioxidant that counteracts the potential irritation from chemical exfoliation. It soothes the skin barrier, reduces redness, and provides anti-inflammatory benefits, making the exfoliating experience gentler and more suitable for sensitive skin types.

Also known as lye, sodium hydroxide is used in minimal amounts to buffer the pH of the exfoliant to the ideal range. For BHA exfoliants, proper pH is critical for efficacy and safety, and sodium hydroxide ensures the product works optimally without being overly harsh.

A chelating agent that binds to metal ions in the formula, preventing oxidation and degradation. It also boosts preservative efficacy, helping maintain product stability and extending shelf life without requiring additional preservatives.