***Note that niacinamide = nicotinamide; niacin = nicotinic acid. In the Should Niacinamide and L-Ascorbic Acid Be Used Together post, it was shown that the two compounds don’t mesh well: a 1:1 complex would form in solution (aqueous), with a maximum complexation rate occurring at a pH of 3.8. Therefore, it was recommended that in order to achieve optimal results from both ingredients, the two should be used separately. However, what was not discussed (except in the comments section) was whether or not niacinamide is similarly incompatible with other commonly used acidic compounds such as glycolic and salicylic acid. Non-Enzymatic […]
↧