A potent yet gentle retinoid featuring retinaldehyde and formulated with tolerability in mind. RST works to aid the skin’s natural renewal process. improve tone and texture. and reduce breakouts. while supporting collagen for firmer. smoother skin. Part of the Core Four essentials for optimal skin health and longevity.
Now available in RetinAL Skin Mini (0.5 fl oz / 15 mL)










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