L-Cystine has antioxidant and tissue repair properties and is often used to improve the health of skin, hair, and nails.
L-CystineCAS NO. 56-89-3
L-Cystine has antioxidant and tissue repair properties and is often used to improve the health of skin, hair, and nails.
L-Cystine is a white or colorless crystalline powder with a faint special smell. It is easily soluble in acid and alkaline solutions, but insoluble in water and ethanol. L-Cystine is an amino acid formed by two L-cysteine molecules connected by a disulfide bond. It is widely present in keratin, skin, hair and nails. It has important physiological functions in the human body, participates in protein synthesis, promotes the healthy growth of skin and hair, and helps detoxification and anti-oxidation. L-Cystine can also promote tissue repair, enhance immune function, and has certain applications in the treatment of various skin diseases and inflammation.
Functions and applications:
1 Cosmetics and Personal Care: L-Cystine is often used in cosmetic and personal care products, particularly those aimed at promoting healthy hair, skin, and nails. It is believed to support hair growth and strengthen the structure of hair shafts. Additionally, it may help improve the texture and appearance of skin and nails.
2 Pharmaceuticals: In the pharmaceutical industry, L-Cystine is used as a component in medications and supplements targeting conditions related to skin, hair, and nails. It may be included in formulations aimed at treating dermatological issues or promoting wound healing.
3 Food and Beverage: L-Cystine is sometimes used as a food additive, primarily as a dough conditioner in baking. It can improve the elasticity and texture of dough, contributing to the quality of baked goods like bread and pastries.
4 Nutraceuticals: As a dietary supplement, L-Cystine is consumed for its potential health benefits. It is often included in multivitamin formulations or sold as a standalone supplement to support overall wellness, particularly in terms of hair, skin, and nail health.
5 Research and Biotechnology: L-Cystine is utilized in research laboratories for various biochemical and biomedical studies. It may be used in cell culture media, protein purification processes, or as a component in experimental formulations.
6 Animal Feed: In the agricultural sector, L-Cystine can be added to animal feed as a nutritional supplement. It may help improve the quality of fur or feathers in animals and contribute to overall health and growth.
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