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What's More Damaging For Hair, Highlift + High Volume
OR
Lightener + Low Volume Developer?!
This question comes up a lot so I wanted to bring back a conversation I had about it with one of my fav cosmetic chemists, Valerie George.
If you've ever wondered how a cosmetic chemist thinks about this question, this is for you.
If you love deeper convos like these, and you want to hear more from Valerie, she's got an awesome class coming up in May.
More details below for all of our hair colorists that love learning about hair chemistry, scalp health and product chemistry
Get details on Val's upcoming class here
