Is mixing Vitamin C and Niacinamide a problem? Episode 268

Send us Fan Mail On today’s show Valerie and Perry are going to be answering your questions including… What’s the deal with vitamin C and niacinamide? Is it bad to use them together?What’s the difference between reactive and sensitive skin?And are products who disclose percentages better than ones that don’t?Beauty Science California prohibits hemp derived CBD in cosmetics. China bans the use of CBD in cosmetics Valerie at PBA 4 Ways to Ask a question - 1. Become a patron and as...