Episode 333 - Should adults use baby beauty products?
The Beauty Brains
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How to Formulate a Night Serum With an AHA
Valerie: Is it better to formulate a night cream with an AHA or perhaps the serum with an A HA followed by an anhydrous oil serum could be used? Would this be hydrating? Natalie: I dabble in formulating serums and creams from time to time. Valerie: It depends on what the AHA is and how low the pH is. Not all acids that are AHA's can be easily neutralized back to a neutral pH.
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