What it is: A nourishing, anti-damage, four-week regimen formulated to repair hair that is frequently colored, chemically processed, heat styled, or over-stressed. What it does: This regimen restores straw-like, extremely damaged hair to optimal health by increasing strength, shine, softness, and manageability. Its concentrated formula penetrates the cortex to infuse it with keratin protein while patented ingredients recondition and smooth the cuticles. The result: superior strength with enhanced softness and shine and a return to optimal hair health. Experience instant improvements after your first dose. This set contains: - 5 x 0.5 oz Restore Recovery Regimen Doses What it is formulated WITHOUT:- Parabens- Sulfates- Synthetic Dyes- Phthalates- GMOs- Triclosan What else you need to know: Restore Recovery Regimen combines Living Proof's proprietary technology, PolyfluoroEster, with nourishing ingredients to heal, protect, and prevent dryness and damage cuticle to cortex. This product is safe and effective on color-treated and chemically processed hair. Research results:- Clinically tested at a leading hair research institute, extremely damaged hair became15 times stronger with 93% less breakage after just one use of the Restore Recovery Regimen.- After 4 uses, hair became 24 times stronger with 96% less breakage, which is superior to any other product they've tested.