SumLab Blog

SumLab Blog

Psoriasis Shampoo: What Ingredients Should You Look For?

by SumLab Editorial Team on Nov 02 2026
Not all scalp shampoos are equal. Compare the two most established OTC psoriasis ingredients — salicylic acid and coal tar — and match them to your symptoms.

SumLab Blog

When Dandruff Shampoo Isn't Working: Could It Be Scalp Psoriasis?

by SumLab Editorial Team on Oct 26 2026
Switching dandruff shampoos and still fighting thick flakes? A medicated scalp product with salicylic acid or coal tar may be the better fit for stubborn scale.

SumLab Blog

Coal Tar vs. Salicylic Acid for Scalp Psoriasis: Which Shampoo Ingredient Should You Use?

by SumLab Editorial Team on Oct 19 2026
Coal tar and salicylic acid do different things for scalp psoriasis. A clear breakdown of when to reach for each — and how Tarsum® and Keralyt® fit.