Isotroin (isotretinoin) is excellent at stopping new acne, but it does not directly target existing scars or redness. The dryness you are experiencing is actually a very common sign that the medication is working to reduce oil production. As your active acne clears, your skin will slowly begin its natural healing process. Red marks often take several months to fade, even after finishing treatment. Please use a gentle, fragrance-free moisturizer for the dryness, and discuss scar-specific options with your doctor once your course is complete.
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Why is my prescribed medicine Isotroin only causing dry skin instead of clearing up the red acne scars on my face, back, and shoulders?