Blockade is a glossy, lightweight serum that shields against damage caused by heat styling. If you're going to bring the heat, be sure to use protection. This hair serum is an absolute must-have for combatting the damaging effects of heat tools and blow drying up to 450 degrees Fahrenheit. Blockade also contains the super antioxidant Sea Buckthorn which nourishes and heals hair strands. Just a few drops help to prevent against moisture loss, banishes frizz, and adds healthy-looking shine. Perfect for all hair types, especially those in need of heat protection and moisture. Just apply 1-3 pumps to damp or dry hair. To finish a style apply 1-2 pumps thoughout hair, focusing on the ends.