Alterna Bond Repair Overnight Serum is an anti-aging and hair loss treatment for weak, fragile hair. An overnight repair treatment that fights the signs of hair aging while you sleep. Perfect for straight, wavy, curly, coiled, and tightly coiled hair. Bond Repair Overnight Serum is formulated with innovative Caviar Bond Enforcing Technology, which repairs damaged hair, rebuilds, and seals the cuticle for a lasting effect of up to 10 washes. SLS/SLES-free: Sodium Lauryl Sulfate/Sodium Laureth Sulfate. Clinically proven to reduce hair breakage and split ends by 99%. Perfect for: fragile, damaged hair. Effects: | - facilitates styling | - gives una healthy and luminous shine | - hydrates | - disciplines