a lightweight, invisible heat protecting and style extending spray that is clinically proven to protect hair against frizz + humidity for 24+ hours. all hair is welcome! made especially for those who want to protect locks against heat, frizz + humidity. protects hair from heat styling- 450 f/ 230c heat* to be exact. the shield also blocks strands from pesky, sticky humidity. contains uv filters – famous for its protecting benefits that can prevent damage caused by sun exposure. maintains frizz-free styles.