The Shield Anti-Humidity Spray - clinical testing confirms: this heat-activated spray protects against frizz-inducing humidity for over 24 hours. For all hair types looking to protect against frizz-inducing humidity.- Polyquaternum-59 – a cationic polymer that smooths the cuticle and is a known UV filter- Hydrolyzed Keratin - help to improve moisture retention while giving hair softness, shine, and bounce- Safe for color-treated, Brazilian-treated and keratin-treated hair
