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Using retinoids and an AHA (e.g. glycolic acid) or BHA (e.g. salicylic acid) actually diminishes the effectiveness of both ingredients. So how can ...
Posted in
acne,
Afirm,
AHA,
Anti-aging,
BHA,
dr. leslie baumann,
Green Cream Level 6,
Neutrogena,
Paula's Choice,
retinoids,
retinol,
Skin Care,
skinceuticals
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Recently, a reader asked me if it was better to use vitamin C or AHA first.
My answer? Usually AHA. Here’s why:
AHAs are usually more acidic than ...
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