Jason Dandruff Relief Shampoo - 100% Natural Hair Care for Men. Fortified with MSM, neem oil, tea tree oil, colloidal sulfur and rosemary. It cleanses and helps control the build-up of dandruff, treating flakiness, itching, scalp dermatitis & mild psoriasis. This shampoo is fortified with nourishing essential oils and is certified vegetarian, vegan, cruelty-free, paraben and phthalate-free. It features an earth-friendly & biodegradable formulation with recyclable packaging.