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| Catalog Number | CI-HC-0228 |
| Product Name | Keratin |
| CAS | 68238-35-7 |
| Description | Keratin is a fibrous protein that comprises the majority of the structure of hair, nails, and the outer layer of the skin in mammals. It is a very strong and durable protein that provides essential mechanical strength and protective functions to these structures. In hair, keratin helps to give it its strength, flexibility, and elasticity. In nails, it provides the hardness and durability needed to protect them from damage. In the skin, it helps to form a barrier against harmful substances and pathogens. Keratin is produced by special cells called keratinocytes, which are found in the outer layer of the skin and in the hair follicles. |
| Appearance | Keratin is a fibrous protein that appears as long, slender, and cylindrical strands. |
| Application | 1. Hair Care Products: Keratin is widely used in hair care products like shampoos, conditioners, and hair serums. It helps in repairing damaged hair by strengthening hair fibers, smoothing the hair cuticle, and adding shine to dull hair. 2. Skin Care Products: Keratin is also used in skin care products like moisturizers, creams, and lotions. It helps in improving skin elasticity by promoting collagen production, reducing wrinkles and fine lines, and moisturizing dry and rough skin. 3. Nail Care Products: Keratin is used in nail care products like nail strengtheners, nail polishes, and cuticle creams. It helps in strengthening weak and brittle nails, and promoting nail growth. 4. Medical Application: Keratin is used in the medical field for wound healing and tissue engineering. It acts as a bioactive material that promotes cell adhesion, proliferation, and differentiation, thereby accelerating the healing process. 5. Textile Industry: Keratin is used in the textile industry for manufacturing clothes and fabrics. It helps in providing a natural luster, strength, and durability to the fabrics, making them more resistant to wear and tear. |
| Features And Benefits | 1. Keratin strengthens hair and prevents breakage 2. It smooths hair cuticles and reduces frizz 3. Keratin can repair and protect damaged hair 4. Keratin adds shine and enhances hair texture 5. It can also improve the manageability of hair. |
What are keratins and where can they be found in the body?
Keratins are a class of natural fibrous proteins found in vertebrate animals and humans, characterized by their high content of amino acids. They are found in hair, feathers, horn, and hooves.
What is the role of keratins in epithelial cells?
Keratins play an important role in the mechanical stability and integrity of epithelial cells and tissues.
How many different types of keratin proteins are there?
There are over 50 different types of keratin proteins, highly conserved across mammals.
What is hyperkeratosis caused by?
Disorders in keratin production often result in hyperkeratosis, which is the thickening of the stratum corneum (SC) due to trauma.
How can keratin be extracted and used for skin care?
Keratin can be extracted from human hair or sheep's wool, and is commonly used in skin moisturizers and topical hair strengthening agents.
What effects does keratin have on skin renewal?
Studies have shown that keratin can stimulate keratinocyte migration, collagen expression in fibroblasts, rejuvenate the epithelium, strengthen the basement membrane, and improve skin elasticity.
What is keratin conjugated to liposomes more effective for?
Keratins conjugated to liposomes made of internal wood lipids are more effective than topical aqueous solutions for skin treatments.
What are some uses of keratin in cosmetics?
Keratin is used in cosmetics as a surface-protective agent with film-forming and moisturizing action for its moisture-retention and protective effect.
What is the structure of keratin polypeptide chains?
Keratins have coiled polypeptide chains that combine to form supercoils of several polypeptides linked by disulfide bonds between adjacent cysteine amino acids.
In what ways are keratins important for the skin?
Keratins are important for the structural support of keratinocytes, maintenance of skin integrity, protection from stress, wound healing, and also have regulatory functions in intracellular signaling pathways.
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