Nick Chavez' Advanced Volume Conditioner is a thoroughly modern formula enriched with nanofilaments, creating volume and strength from deep within. Protects hair from the heat styling used to create voluminous locks. Formulated with an advanced and innovative ingredient foundation they call Expansion Technology, which features Hyaluronic Acid, a moisturizing ingredient that delivers rejuvenating and nourishing benefits to the hair. Also contains Keratin, Soy Protein, Acai Berry and UV Protectants that help fine, limp and fragile hair become volumized, healthier and more beautiful. Will not weigh down hair.