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Thank you, I love this! I hate when people just say "this ingredient is great" or "it prevents wrinkles". Nothing will prevent wrinkles, and there really aren't any longitudinal studies on the effects of skincare ingredients on wrinkles.
I use pharmaceutical retinols - can I still use niacinamide?
Thank you, I love this! I hate when people just say "this ingredient is great" or "it prevents wrinkles". Nothing will prevent wrinkles, and there really aren't any longitudinal studies on the effects of skincare ingredients on wrinkles.
I use pharmaceutical retinols - can I still use niacinamide?