L’Oréal Paris Elnett Heat Protect Styling Sprays are specially adapted to your styling routine and protect against heat damage caused by hairdryers, straighteners and curling irons. The advanced formulas have up to 230° heat defence and lock-in straight, sleek or wavy styles for up to 3 days. They also provide protection from frizz and humidity to help smooth straight hair and give definition to soft curls.