SULFATE-FREE THICKENING CONDITIONER: Promote thicker-looking hair with this strengthening anti-breakage conditioner for thin fragile hair prone to breakage; This formula is sulfate-free, salt-free, and surfactant-free; FORTIFY THIN HAIR: Sulfate Free Formula with Rosemary Extract, EverStrong Thickening shampoo and conditioner inject strength into thin hair, and are safe for use on color-treated hair; THE EVERSTRONG THICKENING SYSTEM: For best results, use EverStrong Thickening shampoo and conditioner in tandem, for a nourishing hair care system that fortifies thin, fragile hair; WHY SULFATE-FREE? Sulfates are cleansing agents that help breakdown oil, dirt, and build up on the scalp and hair; But some sulfates can be harsh and stripping; Our sulfate-free shampoos and conditioners are non-stripping and made for color-treated hair COMPLETE THE LOOK: Try with EverStrong Break Proof Lotion for split-end repair, and defense against UV and heat damage;