White willow bark extract powder (INCI: Salix Alba Bark Extract | CAS: 84082-82-6) is a plant-derived cosmetic active that brings together gentle exfoliation, pore-clearing, and soothing benefits in a single ingredient. It is naturally rich in salicin — a compound that converts to salicylic acid (BHA) on the skin — which means it delivers mild beta hydroxy acid activity without the harshness of synthetic salicylic acid. This makes it particularly well-suited for sensitive, acne-prone, and reactive skin types.
Beyond its BHA-like action, white willow bark is high in tannins — naturally occurring polyphenols with astringent and anti-inflammatory properties. Tannins help tighten pores, reduce excess sebum, and calm redness, making this extract a strong multi-tasker for clarifying and balancing formulas. Its antioxidant content also helps protect the skin from environmental stressors that contribute to premature aging.
In formulation, it disperses readily in water, making it easy to incorporate into toners, serums, cleansers, and masks. Unlike synthetic BHA, it works gently enough for leave-on products at standard usage levels without requiring a low pH to activate — a practical advantage for formulators working with pH-sensitive systems.
Formulation notes: Use at 0.5%–3% in the water phase or cool-down phase. Water-dispersible — no solubilizer needed. Optimal pH: 4.0–6.0. Pairs well with niacinamide, zinc PCA, hyaluronic acid, and other clarifying or soothing actives. Suitable for all skin types, including sensitive and acne-prone skin.