KeratinUSA Hair-Straightening Formaldehyde-Free Enhanced Formula Treatment straightens your hair while replenishing the condition of the hair without damaging or changing the molecular structure. It helps to restore hair to its natural state, controls hair loss, and manages frizzy, weak, coarse hair. This treatment combines a high percentage of pure keratin and acai berry extracts with antioxidants that infuse deeply into the cuticles of your hair. This treatment restores the lipids in your hair, protecting it from humidity and free radicals. <br><br> This treatment is not a permanent straightening but a smoothing treatment that can be used on all hair types such as chemically treated, colored, permed, relaxed, straightened, highlighted, and bleached with results that last up 3 months and fade away gradually as hair is shampooed. This amazing product heals, repairs, moisturizes, nurtures with keratin and protects damaged hair. Moreover, it eliminates frizz and curls, emits no unpleasant odors and can be used on all hair types. <br><br> Pre-Treatment Clarifying Shampoo Enhanced Formula is the first product to be used in the Keratin Treatment. It washes away impurities, previous tinctures, color residues and opens hair cuticles for straightening treatment. <br> <br>Keratin Silk Treatment Enhanced Formula restores damaged hair and split ends. Keratin Silk Treatment adds shine and softness, leaving your hair more manageable every day. It works on your hair to leave it softer and stronger. Style and nourish your hair without worrying about the build-up that other products tend to leave behind. <br><br>Benefits: Botanical and Formaldehyde-Free treatment; Lasts up to 3 months; Restores hair to its natural state; Controls hair loss; Blocks the effects of humidity; Creates luminous shine; Repairs and moisturizes damaged hair; Eliminates frizz and curls; Emits no unpleasant odor; Can be used on all hair types.