Keratin

Keratin is a fibrous protein that is a key structural component of hair, skin, and nails, known for its benefits in enhancing hair strength, promoting skin health, and supporting nail growth.

  • Metabolism

  • Skin health

  • Sleep

Origin of Ingredient

Keratin is naturally found in the epithelial cells of animals and humans. It is typically derived from sources like wool, feathers, and horns for use in supplements and cosmetic products. The protein is extracted and processed to create keratin treatments and supplements that can be easily absorbed by the body.

History of Ingredient

Historically, keratin has been used in various beauty treatments to strengthen and smooth hair. Traditional methods included using animal-derived keratin in hair care routines. Over time, the extraction and application techniques have evolved, leading to the development of modern keratin treatments that offer more effective results for hair, skin, and nails.

Scientific Makeup of Ingredient

Keratin is composed of amino acids, particularly cysteine, which contains sulfur atoms that form strong disulfide bonds. These bonds give keratin its strength and resilience. The protein also includes essential amino acids like serine, glycine, and alanine, which contribute to its structural integrity and biological functions.

Studies have shown that keratin treatments can significantly improve hair strength, reduce breakage, and enhance overall hair appearance. Research indicates that keratin can also benefit skin health by improving elasticity and hydration. For nails, keratin supplements have been found to promote growth and reduce brittleness, leading to stronger and healthier nails.

Keratin is widely approved for use in cosmetic products and dietary supplements in many countries, including the United States, Canada, and the European Union. Legal claims about keratin include its benefits for hair strength, skin health, and nail growth. Always ensure compliance with local regulatory guidelines when making specific health claims.

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