Article last updated: October 15, 2024
Nylon-611, also known as polyamide-611, is a synthetic polymer that finds its way into various cosmetic products. This ingredient is formed through a chemical reaction between undecanoic acid and hexylenediamine. While its INCI (International Nomenclature of Cosmetic Ingredients) name is Nylon-611, you might also encounter it under other names like PA-611 or Polyamide-611 in ingredient lists.
The history of Nylon-611 in cosmetics is relatively recent compared to other traditional ingredients. Initially developed for industrial applications, its unique properties caught the attention of cosmetic chemists who saw potential in its absorbent capabilities. Over time, it has been incorporated into a variety of products, particularly those aimed at oil control and mattifying effects.
The manufacturing process of Nylon-611 involves a polymerization reaction. Undecanoic acid, a fatty acid, reacts with hexylenediamine, a type of diamine, under controlled conditions. This reaction forms long chains of polyamide, resulting in a fine powder that can be easily integrated into cosmetic formulations. The end product is a versatile ingredient that enhances the texture and performance of various skincare and makeup products.
In this section, we will delve into the officially recognized cosmetic benefits and uses of Nylon-611:
Nylon-611 is primarily used in cosmetics for its absorbent properties. This means it has the ability to soak up excess oils and moisture from the skin. For those with oily skin, this can be particularly beneficial as it helps to reduce shine and keep the skin looking matte. In makeup products like foundations and powders, Nylon-611 can help the product adhere better to the skin and last longer throughout the day. It essentially acts like a tiny sponge, ensuring that your makeup stays put and your skin remains fresh.
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).
Nylon-611 is generally considered safe for use in cosmetic products. It has a low allergenic potential, making it suitable for most skin types. However, as with any ingredient, there are potential side effects to be aware of:
Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of Nylon-611 during pregnancy 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 Nylon-611 are uncommon, but it is always recommended to perform a patch test before widespread usage to ensure personal tolerance.
Nylon-611 has a comedogenicity rating of 1, meaning it is very unlikely to clog pores. This makes it a suitable option for individuals prone to acne, blemishes, or breakouts.
