ALTERNA Professional Caviar Anti-Aging Restructuring BOND REPAIR Leave-in Overnight Serum is a hair-repairing and protective formula with Caviar Bond Enforcing Technology that restores hair when it needs it most—at night when hair is recovering from daytime aggressors. This overnight transforming treatment smooths hair cuticles, restoring hair to its healthiest look and feel, so you wake up to transformed tresses. Proven to help repair, reconstruct, and rebuild hair while reducing breakage and split ends more than 99% while you sleep. Experience transformation after just one use! Inspired by the Science of Skincare for Hair, Caviar Anti-Aging is our first comprehensive line of hair care products that address intrinsic (natural aging process), chemical and environmental aging by infusing hair with the finest, most effective ingredients to restore hydration, strength, vibrancy and elasticity for more youthful-looking hair. Every product contains pure Caviar from the roe of non-endangered sturgeon fish, sustainably farmed in France. Luxurious rich in vitamins, minerals Omega fatty acids that help restore hair's lipid layer to its optimal state...the key to healthier, younger-looking hair. Benefits: Reduces breakage by up to 99% Helps reconstruct damaged hair while you sleep Absorbs instantly won’t leave residue on pillows or sheets