Hair fiber contains bonds that give it strength. Colour, chemicals, heat, pollution and daily styling can damage bonds, leaving hair weak, dull and dry. Formulated with the Rescuplex™ Bond Rescue Complex to help restore damaged hair*, this ultra-silky Serum strengthens, hydrates and improves vibrancy and shine. Its lightweight formula primes and protects from heat up to 450º F. Vegan, Cruelty-Free, Paraben-free, Sulfate-free, Phthalate-free. *Based on a system of Repair Bond +Rescuplex™ Shampoo, Conditioner, Mask and Serum.