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AHA and moisturizers

User
7 years ago

Ah, layering skin care. During the day I use a 14% AHA with a ph of 3.7. I normally apply my spf moisturizer right afterwards. It seems to me this would mess with the ph and make the AHA ineffective. However, I've read many conflicting reports now. Anyone know the truth? I've heard it does, you should wait x amount of minutes between, and also that it's fine.

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