Common: Use a tiny amount. Wait 20 min after washing before application of differen. Use a moisturizer after you apply differen. Use just 2 or 3 times a week at first. After a few weeks your face will no longer react this way. Note that it takes 3 months to appreciate the benefits.
Answered 11/27/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
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