98% Humidity Defying Straightening Cream Superstar thermosetting polymers power this high performance hot iron cream. For 48 hour serious, serious straight, even in 98% humidity. Long-lasting straight, smooth, tamed hair with improved manageability, frizz control and enhanced texture. Ingredients: Thermo-setting polymers - Our new heat-powered technology works with the heat from hot irons to provide humidity-proof straight and smooth hair Conditioning agents - Smoothes the hair cuticle for super shine as well as calming static for combating frizz and added strength and elasticity Directions: Spray all over damp or dry hair, then style.