Selenium sulfide 2.3%; contains urea, zinc pyrithione. Dermatitis, dandruff: massage and lather onto wet skin, rinse and dry; apply twice weekly for 2 weeks. T. versicolor: massage and lather onto ...

Moving down the shaft, salicylic acid-infused shampoos eliminate oil and evidence of dandruff. “It can also help prevent oil build-up, which may improve the hair’s overall health and appearance. This ...

The shampoo ... deploy 2-3% in their bottles; however in Vichy Dercos the salicylic acid is toned down to 1%, to play a somewhat supportive role to the more aggressive selenium sulfide.