Schwarzkopf Professional OSIS+ Flatliner Heat Protection 200ml / 6.9oz Schwarzkopf Professional OSIS+ Flatliner Heat Protection is a spray with a long-lasting hold that helps protect, restore, and repair hair from heat damage. Formulated with high-quality ingredients, including special heat-protecting polymers, helps reduce hair breakage and deliver humidity protection. This heat protectant spray offers protection for temperatures up to 230°C and provides long-lasting and even results. Benefits Protects, restores, and prevents heat damage Reduces breakage and delivers humidity protection Protects from temperatures up to 230°C Long-lasting results Directions Spray onto damp hair and dry the hair completely with a blow dryer Section the hair and finish the desired style with a heated device