Threonine is an amino acid used in cosmetics and personal care products because of its ability to promote growth though protein balance maintenance. Threonine is produced naturally in the body, and is also found in foods like cottage cheese, poultry, fish, meat, lentils, and sesame seeds (Wikipedia).
Like all amino acids, threonine is necessary for collagen production. Using the right form of threonine — L-threonine — ensures the cohesion, elasticity and regeneration of skin, hair, tendon, cartilage, bones and joints. Threonine supports connective tissues and muscles, and keeps them strong and elastic. It is considered helpful in building strong bones, tooth enamel, and is considered a wound healer.
These functions are all because threonine is necessary for collagen production (source). Collagen is a protein made up entirely of 17 amino acids. The composition of collagen is considered unique given its high hydroxyproline content. While threonine is incorporated into collagen, it is found at lower concentrations than proline and many of the other amino acids. However, threonine is considered an essential amino acid because collagen production will not occur in its absence (VitalProteins).
How Threonine Works in the Skin
One of threonine’s primary functions is its assistance in creating glycine and serine, two other amino acids that are necessary for the production of collagen, elastin, and muscle tissue (VitaminStuff).
When found in skin care, it is a fragrance ingredient, skin and hair conditioning agent, and anti-static agent. It is often seen in hair straighteners because of its protein promotion (TruthinAging).
Since threonine is necessary for collagen production to be triggered, and collagen keeps the skin firm and wrinkle-free, it is smart to supplement the skin with regular topical applications of threonine. Keep in mind also that skin’s production and stores of amino acids deplete naturally over time, and some of the amino acids that are produced have less integrity than before. It is therefore important to make sure that you keep your skin supplied with a fresh store of intact, quality amino acids like threonine.
Collagen is made of 17 different amino acids.
Though your body produces many of these amino acids, the production slows over time. And many of the amino acids that are produced as you age have less integrity than the amino acids produced at younger stages of life, resulting in weaker, less stable collagen.
Threonine is necessary for collagen production to occur. Threonine presence signals to the cells of the body that it is O.K. to go ahead and start collagen production. Threonine is also incorporated into collagen.
It is therefore a great idea to incorporate threonine into your skin care routine. Threonine is a safe ingredient to supplement (EFSA Journal, 2013), and it produces remarkable results when used in conjunction with other amino acids.
Based on these studies, using threonine in skin care may be beneficial for improving the appearance of fine lines, wrinkles, and sagging skin. AminoGenesis Therapeutic Facial Repair Formula is a superior product with this ingredient. Designed with a total of seventeen amino acids, this product will get the amino acids you want delivered to your skin. Wake up to skin that appears more youthful and beautiful!