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Keratin- Hair Treatment(Cysteine Complex-Amazon Series)
- 4 hr4 hours
- Location 1
Keratin is one of a family of fibrous structural proteins known as scleroproteins. α-Keratin is a type of keratin found in vertebrates. It is the key structural material making up scales, hair, nails, feathers, horns, claws, hooves, calluses, and the outer layer of skin among vertebrates.
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