Isotin Gel 10g – Topical Isotretinoin for Acne & BlackheadsIsotin Gel 10g Topical Isotretinoin Retinoid Gel for Acne & Blackheads Rx (Prescription Required) Retinoid See Precautions Below Isotin Gel 10g contains Isotretinoin in topical gel form, a vitamin A derived retinoid used for the treatment of acne vulgaris, comedones (blackheads and whiteheads), and oily skin. Unlike oral isotretinoin, this topical formulation acts locally on the skin to reduce sebaceous gland activity, normalize follicular