Category: topical
Aliases: Psoralea corylifolia extract
Meroterpenoid from Psoralea corylifolia seeds (Indian traditional medicine). Modulates retinoid-related gene expression (collagen I/III, MMPs) without binding retinoic acid receptors directly → retinoid-like effects on wrinkles + pigmentation without retinoid irritation + photosensitivity. Dhaliwal 2019 RCT showed non-inferior to 0.5% retinol at 12 weeks for photoaging.