Healthier hair in a bottle, The Leave-In Hair Treatment replenishes, smoothes, and softens strands, boosts shine and vibrancy, and strengthens your hair while helping to reduce breakage and supporting natural hair growth Formulated for all hair types, this game-changing serum is the ideal antidote for all your hair concerns. From dehydration, shedding, and frizz to breakage, split ends, and damage from over-styling or color processing, this restorative, antioxidant-packed concentrate instantly improves your hair's look and feel while promoting its long-term health. Experience haircare redefined. Backed by over 30 years of cutting-edge science. Powered by our patented TFC8® technology and formulated with potent hair superfoods and anti-oxidants including Neem Extract, Shikakai Extract, and Rambutan Extract to fortify and thicken tresses while actively protecting strands against daily damage. Benefits: Instantly improves the look and feel of hair, while delivering long-term nourishment and protection - for healthier-looking hair Helps to reduce breakage, mend split ends, and strengthen and thicken weak or brittle strands for silkier, fuller hair Combats visible signs of damage - from over-styling and heat to aging and environmental aggressors Intensely hydrates, improves elasticity, and restores dull, tired strands - enhancing hair's natural texture and luster Detangles, smooths and controls frizz, and boosts shine for soft, vibrant hair Formulated for all hair types How to Use: Apply 2-3x a week Apply a small amount to clean, dry, or towel-dried hair Using fingertips, work from the scalp or midlength to the end of hair, focusing on areas of need Allow hair to dry naturally, or blow dry for an enhanced finish For best results, use in conjunction with the Augustinus Bader haircare system: The Shampoo, The Conditioner, The Scalp Treatment, and The Hair Oil Suitable for all hair types Clean Science: 100% vegan Free of gluten, GMO's, parabens, silicones, fragrance, SLS, SLES, DEA, heavy metals, talc, and petrolatum/paraffin/mineral oil 3.4 oz./ 100 mL