Products are split into three levels based on ingredient labels
RoyceDerm
Last verified: April 15, 2026
Seborrheic Dermatitis & Psoriasis Shampoo by RoyceDerm has been evaluated by Million Marker and contains ingredients with known health concerns. This product is rated STOP, indicating higher concern.
We recommend avoiding STOP-rated products and seeking safer alternatives from our GO or SLOW categories.
