A member asked:

Does a tretinoin gel that doesn't contain any water have a ph? i have very strong skin, can i mix the tretinoin gel with a glycolic cream at the same time?

A doctor has provided 1 answer

Tretinoin: No need for your use of both creams as they are similar so pick one.

Answered 11/10/2015

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A member asked:

Is tretinoin cream or gel better for your acne?

A doctor has provided 1 answer