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Article last updated: October 15, 2024
Yeast Beta-Glucan, also known as β-Glucan or simply Beta-Glucan, is a carbohydrate fraction derived from the hydrolysis of yeast. Specifically, it is extracted from the cell walls of Saccharomyces cerevisiae, commonly known as baker’s yeast. Chemically, Beta-Glucan is a polysaccharide, which means it is composed of multiple sugar molecules linked together. This ingredient has garnered attention in the cosmetic industry for its multifunctional properties.
The use of Beta-Glucan in cosmetics is relatively recent, although its benefits have been recognized in other fields such as medicine and nutrition for quite some time. Historically, Beta-Glucan has been studied for its immune-boosting properties and its ability to help manage cholesterol levels. Its transition into the cosmetic world began when researchers discovered its potential to form a protective film on the skin, condition the skin, and control the viscosity of cosmetic formulations.
The production of Yeast Beta-Glucan involves a process called hydrolysis, where the yeast cell walls are broken down to release the Beta-Glucan. This is typically achieved through enzymatic or acid hydrolysis, followed by purification steps to isolate the Beta-Glucan from other components. The result is a highly purified ingredient that can be incorporated into various skincare and cosmetic products.
In this section, we will delve into the officially recognized cosmetic benefits and uses of Yeast Beta-Glucan:
Yeast Beta-Glucan is known for its film-forming properties. This means that when applied to the skin, it creates a thin, protective layer on the surface. This film can help to lock in moisture, providing a barrier that prevents water loss and keeps the skin hydrated. This is particularly beneficial for those with dry or sensitive skin, as it helps to maintain the skin’s natural moisture balance.
Another significant benefit of Yeast Beta-Glucan is its ability to condition the skin. This means it can improve the appearance and feel of the skin, making it softer, smoother, and more supple. By enhancing the skin’s texture and overall condition, products containing Yeast Beta-Glucan can contribute to a healthier and more youthful-looking complexion.
Yeast Beta-Glucan also plays a role in controlling the viscosity of cosmetic formulations. Viscosity refers to the thickness or thinness of a product. By adjusting the viscosity, Yeast Beta-Glucan helps to ensure that creams, lotions, and serums have the right consistency for easy application and absorption. This makes the product more pleasant to use and can enhance its overall effectiveness.
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).
Yeast Beta-Glucan is generally considered safe for topical application in cosmetic products. However, as with any 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 Yeast Beta-Glucan during pregnancy and breastfeeding are lacking. Therefore, it is advisable for these individuals to consult a healthcare professional for further advice.
Adverse reactions to Yeast Beta-Glucan are relatively uncommon, but it is always prudent to conduct a patch test before widespread usage to ensure there is no adverse reaction.
Yeast Beta-Glucan has a comedogenic rating of 1, which means it is considered to be low on the scale of pore-clogging potential. This makes it generally suitable for people who are prone to acne, blemishes, or breakouts. However, individual reactions can vary, so monitoring skin response is essential.
