Selsun Blue products have not been tested to determine gluten content. Therefore, we cannot certify that they are gluten free.
Although most of our ingredients are synthetic or plant derived, we cannot guarantee that none used in our Selsun products are derived from animal by-products.
Allergy or sensitivity to selenium sulfide or any other ingredient in the product. Do not use on broken skin or inflamed areas.
Yes, However, the perm should be washed for at least one cycle with regular shampoo to remove/dilute the perm chemicals before using Selsun Blue.
For our Selenium Sulfide products, it is recommended that you let the shampoo stay on your head for approximately two (2) minutes. This allows the suspension system to break and the active to fall onto the scalp. For Selsun Blue Daily Care and Naturals there is not a specific time that you have to leave the product in your hair.