BHA Exfoliant ·
Betaine Salicylate
What is it?
A cocrystal/salt combining betaine and salicylic acid, marketed as a gentler alternative to standalone salicylic acid for exfoliating and acne-related skincare.
What does it do?
According to PubMed, a 2025 study characterizing a betaine-salicylic acid (BeSA) cocrystal found it had significantly lower irritancy and cytotoxicity than salicylic acid alone, while retaining strong anti-inflammatory, antioxidant, moisturizing and anti-acne efficacy in testing (DOI: https://doi.org/10.1039/d5md00001g). This is the only dedicated study of this specific cocrystal form found in this search; broader standalone-ingredient human efficacy data is limited.
Sources
This page provides general skincare information and is not medical advice, diagnosis or treatment. Ingredient interactions and evidence summaries reflect published, cited sources — not a personal assessment of your skin. For medical skin conditions, rashes, pregnancy/lactation questions or persistent concerns, please consult a licensed dermatologist or HPCSA-registered practitioner.