What it is: A daily dose of strengthening keratin in a luxurious hydrating conditioner.What it does: PerfectSilk Keratin Enhanced Conditioner hydrates thirsty locks and preserves keratin, even in damaged and color-treated hair types. The perfect complement to PerfectCleanse Keratin Enhanced Shampoo, this ultra-moisturizing conditioner strengthens your hair from root to tip with a nourishing protein and vitamin complex. It is specially formulated to nurture and protect so your hair can take the heat from everyday blow-drying and flat ironing.What it is formulated WITHOUT:- Sulfates- Synthetic Dyes- Phthalates- GMOs- TriclosanWhat else you need to know: Keratin, a natural protein found in healthy hair, is constantly depleted due to heat styling and environmental damage. This can cause frizz, breakage, and dullness. KeratinPerfect's exclusive ReBonding Technology fills in rough spots and replenishes lost keratin, replacing frizzy, uneven texture with a protective shield around the hair shaft that radiates shine and health. The KeratinPerfect all-inclusive hair system is a smoothing treatment and care regimen that transforms the hair's overall texture and appearance. The KeratinPerfect regimen reverses damage and nourishes dehydrated strands with natural keratin and silk collagen proteins to reveal your hair's ultimate smoothness, softness, and shine. Whether your hair is coarse, damaged, thirsty, or just needs a smoothing boost, KeratinPerfect's specialized formulas make it healthier and stronger.KeratinPerfect does not include formaldehyde as a formulating ingredient. Rigorous tests were conducted by the company to ensure that the KeratinPerfect products meet and/or exceed cosmetic formulating guidelines.