How long does hydroquinone 10% + kojic acid 4% + tretonin 0.1% + steroid cream takes to work?
mandybainsDec 18, 2015
I have been using for 1 week every night. So, far no result. My skin turns red temporarily but apart from that no other side effects. It's bit dry too but not too flaky. how soon would i know it's working for me?
Answers (5)
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