Alterna's Restructuring Bond Repair Leave-In Overnight Serum is a high-quality hair treatment that restores and strengthens damaged hair, leaving you with healthier, more youthful-looking locks. This serum rebuilds and reinforces hair bonds, restoring elasticity, resilience, and shine, and creates a protective barrier that shields hair from environmental damage. The lightweight formula contains bamboo extract, caviar extract, and keratin to nourish and strengthen hair from within. With regular use, the serum reduces split ends, breakage, and other damage, leaving hair smoother, healthier, and more vibrant. It's a must-have for anyone looking to enhance and maintain their hair's natural beauty.