Article last updated: October 15, 2024
Tetrapeptide-16 is a synthetic peptide that has found its way into the world of cosmetics, primarily for its skin conditioning properties. This peptide is composed of four amino acids: glutamic acid, glutamine, lysine, and proline. These amino acids are the building blocks of proteins and play a crucial role in maintaining the health and appearance of the skin.
Its journey into skincare products is relatively recent, driven by advancements in peptide synthesis and a growing understanding of how peptides can benefit the skin. Initially, peptides like Tetrapeptide-16 were studied for their roles in cellular communication and tissue repair, which naturally led to their application in skincare formulations.
The production of Tetrapeptide-16 involves sophisticated laboratory techniques. It is synthesized through a process known as solid-phase peptide synthesis (SPPS). In this method, the amino acids are sequentially added to a growing peptide chain anchored to a solid resin. This allows for precise control over the peptide sequence and ensures high purity and consistency in the final product. Once the peptide chain is complete, it is cleaved from the resin and purified, resulting in the Tetrapeptide-16 used in various skincare products today.
In this section, we will delve into the officially recognized cosmetic benefits and uses of Tetrapeptide-16:
Tetrapeptide-16 is primarily known for its skin conditioning properties. This means it helps to maintain the skin in good condition by improving its overall appearance and feel. When included in cosmetic formulations, Tetrapeptide-16 can help to make the skin feel softer, smoother, and more hydrated. This is particularly beneficial for those with dry or rough skin, as it can provide a more supple and youthful texture.
Note: the listed benefits above are exclusively based on the officially recognized and defined functions of the ingredient, as documented by the International Nomenclature of Cosmetic Ingredients (INCI).
Tetrapeptide-16 is generally considered safe for topical application, with a low allergenic potential. However, as with any cosmetic ingredient, there are potential side effects that users should be aware of:
Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of Tetrapeptide-16 during pregnancy and breastfeeding are lacking. Therefore, it is advisable for these individuals to consult a healthcare professional for further advice before using products containing this ingredient.
Adverse reactions to Tetrapeptide-16 are relatively uncommon, but it is always recommended to conduct a patch test before widespread usage to ensure there is no sensitivity or allergic reaction.
On the comedogenicity scale, Tetrapeptide-16 is rated as a 0, meaning it is non-comedogenic. This makes it suitable for individuals who are prone to acne, blemishes, or breakouts, as it is unlikely to clog pores or exacerbate these conditions.
