Nairobi is a professional brand you can trust. The Dandra-Solv Moisturizing treatment conditioner is the perfect solution for dry, itchy, flaky scalp when used as directed. Provides immediate relief thanks to the active ingredient Pythrione Zinc. Works for a wide variety of scalp conditions, from mild scalp itch to severe scalp issues such as: psoriasis, seborrheic dermatitis and more.