This sulfate-free Bonding Inner Fiber Repair Pre-Shampoo Treatment, formulated with 15% Peptides + Citric Acid Bond Repair Complex, works with the Hair Filler systems to repair hair inside & out. Fill hair with strength 7 layers deep with this system for inner fiber repair, outer visible transformation. Garnier’s NEW 4-Step inner fiber repair collection is made for inside and out repair of damaged hair. Use the sulfate-free Bonding Inner Fiber Repair Pre-Shampoo Treatment as the first step for every hair filler system to repair and strengthen broken bonds deep inside the cortex.