This professional strength, proven effective scalp shampoo is for psoriasis, seborrheic dermatitis, and severe dandruff of the scalp. Apply directly to affected areas like a medicated gel; lathers with water like a shampoo. For severe scalp psoriasis leave on the scalp for up to 30 minutes prior to showering or rinsing off. Use as you would any medicated shampoo for severe dandruff. Contains 10% LCD (2% coal tar) in a scale-loosening shampoo base.

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