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Ingredients that Don't Get Along

Posted by c cho on
Ingredients that Don't Get Along

Ingredients

What Happens?

The Fix

Benzoyl Peroxide + Retinol
Dryness and irritation
Benzoyl peroxide in the morning & Retinoids at night
Retinol + AHA/BHA
Redness, inflammation, peeling, dryness and/or irritation
Retinoids one day, AHA/BHA the next day 
AHA/BHA + Vitamin C
The effectiveness of both ingredients is dependent on pH. Mixing these two ingredients may decrease or eliminate the effectiveness of the active by altering the pH level. 

Vitamin C in the morning & AHA/BHA at night

Vitamin C + Retinol
Redness, inflammation, peeling, dryness and/or irritation
Vitamin C in the morning & Retinoids at night
Benyzoyl Peroxide + BHA
Redness, inflammation, peeling, dryness and/or irritation
Benzoyl peroxide one day & BHA the next day

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