Living Proof's Instant De-Frizzer is a dry conditioning spray that instantly tames frizz on dry hair by adding softness, smoothness and shine. It's ideal for use between shampoos and provides UV protection. Living Proof's Instant De-Frizzer is a dry conditioning spray that instantly tames frizz on dry hair by adding softness, smoothness and shine. It's ideal for use between shampoos and provides UV protection. Dubbed "the Meryl Streep of hair care" by Allure, Living Proof offers a diverse, award-winning collection of products that optimize the styling and health of your locks. Led by a team of world-renowned biomedical scientists and veteran stylists, the brand applies advanced technology to beauty challenges - and makes bad hair days a thing of the past.