Tretinoin may cause : Tretinoin may cause peeling. As you continue to use it you will become more tolerant. You may wish to skip some days when you begin its use. Use a very small amount to reduce irritation. Hydroquinone is best used on intermittant basis such as 1 month on, then 1 month off to prevent increased dark reactions. They go together very well ; are considered safe. Some hints of cancer seem to come from o.
Answered 2/13/2014
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