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Amino Acids

Amino Acids are widely used in moisturizers and emollients because they are thought to help penetrate the skin. In skincare products, amino acids act as water-binding agents, and some have antioxidant properties and wound-healing abilities as well. Amino acids can be combined with other ingredients that have cell communicating ability to work together in anti-wrinkle products.

The 20 most common amino acids found in proteins are: Alanine, Arginine, Asparagine, Aspartic Acid, Cysteine, Glutamic Acid, Glutamine, Glycine, Histidine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Proline, Serine, Threonine, Tryptophan, Tyrosine and Valine.

The amino acids and simple salts of amino acids, such as Arginine HCl, Calcium Aspartate, Calcium Glycinate, Cysteine HCl, Dipotassium Aspartate, Histidine HCl, Lysine HCl, Magnesium Aspartate, Magnesium Glycinate, Potassium Aspartate, Sodium Aspartate, Sodium Glutamate and Sodium Glycinate may be used in cosmetics and personal care products. Products in which these ingredients may be found include baby products, bath products, cleansing products, eye makeup, shaving preparations and hair and skin care products.

Sources
Beautypedia
Angele M, Nitsch S, Hatz R, Angele P, Hernandez-Richter T, Wichmann M, Chaudry I, Schildberg F. L-arginine: a unique amino acid for improving depressed wound immune function following hemorrhage. Eur Surg Res. 2002 ;34(1-2):53-60.
Auriol, D, Redziniak Libragen G, Schweikert K, Lefevre F. Collagens I and III, and Elastin Activation for Anti-aging. Cosm & Toil. 2014; 129(2) 70.

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