Clinmiskin is the brand name. It contains two ingredients: clindamycin (an antibiotic) and nicotinamide. It is an irrational combination, which is not permitted to be sold in advanced countries. Only clindamycin is to be used for acne vulgaris (sold under the brand name of Acnesol Gel/Lotion). However some people are allergic and they should stop using the product containing clindamycin. The side effects of clindamycin are: Systemic effects possible including pseudomembranous colitis, GI upset, resistance, acne exacerbation, erythema, dry skin, pruritus, peeling, contact dermatitis, abdominal pain, gram-negative folliculitis, etc.