How do doctors determine if topical treatments such as benzoyl peroxide, tretinoin and salicylic acid wash are effective for mild to moderate acne? (photo)
Topical medications are the mainstay in the treatment of mild to moderate acne. Such agents work to control acne in different ways which have been well discussed in the acne forum that you may wish to refer to.
Either a past history of response/non-reaponse, tolerability or a therapeutic trial of 6-12 weeks will allow the doctor to determine which works and which do not or cause too much unwanted side-effects.
Hope this helps!
Dr Chin Yee Choong
1 Grange Road #10-03
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