Silkin Scalp solution is an anti-dandruff solution which contains coal tar and salicylic acid.Salicylic acid is an Keratolytic or peeling agent which works by causing the outer layer of skin to shed. It acts as a scale lifter helping to soften and remove psoriasis scales as well as promotes shedding of psoriatic scales without affecting epidermis structure.Salicylic acid facilitates greater penetration of topical medicationCoal Tar reduces the turnover of the skin cells and reduces inflammation and have anti-scaling properties. It offers antimicrobial anti-inflammatory and inhibit keratinocyte proliferation Silkin therapeutically relieves itching & flaking associated with dandruff seborrheic dermatitis & psoriasis of the scalp. Direction for use:Massage the solution into wet hair. Rinse then apply again and massage in hair for about 5 mins before rinsing. Use under medical supervision