NIOXIN System 4 Leave in Treatment Scalp + Hair Thickening 6.7 fl ozDesigned for dry, damaged, colored hair with progressed thinning. Clinically and dermatologically tested, the hair thickening treatment nourishes and strengthens each strand of hair from root to tip, resulting in thicker, fuller hair while providing UV protecting ingredients for the scalp and hair. Thickens the hair: Nioxin System Kit 4 is clinically designed to add thickness and fullness to dry, damaged, color treated hair with progressed thinning,

non-greasy formula absorbs quickly

Disodium Phosphate

-Algae Extract: Provides powerful antioxidants to protect hair from environmental aggressors

Anti-frizz effect

Santalum Album (Sandalwood) Oil*

Supports scalp health: The advanced formula of Nioxin System Kit 1 gently cleanses the scalp

or heavy fragrances

Castor Isostearate Succinate

Aloe Vera Extract: Provides a calming effect on the skin

Hydrolyzed Keratin

translucent color also means stronger

Coconut Oil gives hair essential hydration and Prickly Pear improves hair elasticity and shine- leaving you with smoother curls with extra definition and less frizz