Suitable for All hair types. Why we stand behind it Nécessaire The Conditioner is a daily conditioning treatment for scalp and hair. The Conditioner—a soft cream infused with hyaluronic acid, niacinamide, panthenol and 1% avocado oil—is made to rehydrate and balance scalp and hair. A proprietary celery seed extract minimizes irritation and build-up. No sulfates. No phthalates. No parabens. No PEGs. No silicones. No synthetic fragrance. The Conditioner has been awarded the Seal of Acceptance by The National Eczema Association.