Arbutin
Medium RiskArbutin (beta-arbutin) is a skin-brightening ingredient and a glycosylated hydroquinone. Key concerns are potential hydroquinone release/contamination, dermal absorption, and combined exposure when multiple hydroquinone-releasing substances are used across products. Pregnancy-specific human outcome data for topical cosmetic exposure are limited; the medium-risk signal is hydroquinone-related concern plus limited pregnancy-specific evidence.
Sources: SCCS/1642/22: Alpha-arbutin and beta-arbutin in cosmetics https://health.ec.europa.eu/publications/safety-alpha-arbutin-and-beta-arbutin-cosmetic-products_en



