Retinol is the G.O.A.T. of skin-care ingredients, and the best retinol serums have the most potent (and therefore, effective) concentrations of the gold-standard active. Dealing with acne or dark ...
New, Simple, and Natural Method for Producing Vitamin B2 Dec. 11, 2024 — Many vitamins are produced in chemical factories, often synthetically, but researchers have succeeded in developing a ...