Keratin USA Gold Keratin Hair-Straightening One-Day Treatment eliminates frizz and revitalizes and rejuvenates hair by infusing a combination of keratin, minerals, oils, and extracts deep in the hair`s cuticle. It can be washed out after just 12 hours, and no harsh fumes or smoke is produced during the application and activation processes, making this type of keratin hair treatment safe and effective. Leaving this treatment in for 24 hours will make the results last even longer. Keratin USA Gold Keratin and Protein Hair-Straightening One-Day Treatment is specially formulated for dry, damaged, and chemically treated hair. It restructures and rejuvenates even the most fragile hair while smoothing and eliminating frizz completely. 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. Keratin USA Gold Keratin Activator Treatment is a Keratin Blow Out leave-in treatment that opens the hair cuticle and infuses keratin proteins and emollients into it. Its deep-penetrating action repairs and revitalizes hair during blow drying or flat ironing and closes the cuticle to entrap nourishment. Keratin Activator allows you to enjoy smooth, hydrated hair in less time. The heat-activated Keratin Activator formula provides serious frizz-fighting properties and the finish of a keratin treatment in just a few drops. It will also rejuvenate, protect, and preserve your hair. Optimized for use as a daily maintenance to the Keratin Hair-Straightening Treatment. Benefits: Lasts up to 5 months, Blocks the effects of humidity, Creates luminous shine, Repairs damaged hair, Eliminates frizz, No harsh fumes.