KMS Curlup Wave Foam enhances wave formation and creates long-lasting waves with definition for hair with bounce and body. Shown to provide frizz control and humidity resistance for up to 72 hours, this wave-promoting foam will give you a smooth and sleek finished look. Long-lasting Wave-promoting Humidity resistant What does it do? Boosts wave formation and definition Frizz control and humidity resistance for up to 72 hours How do you use it? Work through towel-dried air Diffuse or air dry