Our Heat Guard® Hair Serum is an expertly-created finishing formula that actively protects and repairs hair from heat damage. A fusion of natural plant and seed extracts effectively combine with hyaluronic acid to help reduce breakage, repair existing damage, and help maintain the proper balance of moisture for your hair and scalp. Our Hair Serum delivers intense nourishment and hydration, and should be used after heat styling to replenish hair for a smooth, frizz-free finish. The Results: Nourished hair that is safeguarded from heat, chemical, and environmental damage, and sealed with incredible softness and shine. Pro Tip: Use on Damp hair for an air dry silky smooth natural look. Apply a small amount after heat styling to seal split ends and rehydrate for a sleek finish. For more ultimate heat styling protection, use with Heat Guard® Renewal Spray and Heat Guard® Heat Protect