Willow bark, derived from the bark of willow trees, is used in skincare as an extract, valued for its exfoliating, anti-inflammatory, and antimicrobial properties, driven by its natural salicin content, a precursor to salicylic acid.

Willow, from the genus Salix (notably Salix alba or white willow), is a deciduous tree or shrub from the Salicaceae family, native to Europe, North America, and Asia, often found near water. In skincare, it’s primarily used as an extract from the bark, obtained through water or alcohol extraction, concentrating its key compound: salicin (a beta-hydroxy acid precursor), alongside polyphenols, flavonoids, and tannins. It appears in cleansers, toners, serums, and masks, listed as "willow bark extract," "Salix alba bark extract," or "white willow extract." Known since ancient times—used by Hippocrates for pain relief—willow bark is a natural source of salicylic acid-like effects, gentler than its synthetic counterpart. Its subtle, woody scent blends into formulations, aligning with clean beauty trends. The extract’s exfoliating and soothing qualities make it a staple for acne-prone, oily, or sensitive skin, often paired with hydrating agents to balance its potency.

Willow bark offers several skincare benefits:

Exfoliating: Salicin gently dissolves dead skin cells, unclogging pores and smoothing texture, ideal for acne, blackheads, or dull skin.
Anti-Inflammatory: Polyphenols and flavonoids reduce redness, swelling, and irritation, soothing acne, rosacea, or sensitive skin.
Antimicrobial: Natural antiseptic properties combat acne-causing bacteria, promoting clearer skin without harsh chemicals.
Oil Control: Regulates sebum production and refines pores, minimizing shine and congestion, perfect for oily or combination skin.
Antioxidant Support: Flavonoids protect against oxidative stress, supporting skin health and reducing early aging signs over time.
Note: Willow bark is milder than synthetic salicylic acid but may still irritate very sensitive skin or cause dryness if overused. Those allergic to aspirin (salicylates) should patch-test, though reactions are rare topically.

Canada