Yeast polypeptides are increasingly being used by the beauty care and cosmetics industry. There are different types of yeasts, such as baker’s yeast and brewer’s yeast. Correspondingly, there are different types of polypeptides obtained from each of these yeasts, either directly from yeast extracts, or through any fermentation processes in which the yeasts may be used on other substances.
Yeasts contain many minerals some of which are not easily found in the diet. Yeasts are also storehouses of B-complex vitamins. In fact, yeasts have all the categories of Vitamin B, be it B1, B2, B12, B5 or B6. The polypeptides used in beauty and skin care products are carefully selected and used in the right quantities and combinations so that there are no adverse side effects from them.
Many of these polypeptides promote the growth of collagen in the skin. They also increase the production of elastin. Studies show that yeast polypeptides reduce wrinkles and brighten the skin. Yeast polypeptides are often used in cosmetics for their moisture retaining properties. Apart from acting as moisturizers, these polypeptides also work as antioxidants, effectively making the skin supple and brighter. Such antioxidant nature of the yeast polypeptides makes them anti-inflammatory as well. The amino acids forming these polypeptides also give a gloss or glow to the skin, and this property has also been utilized in some of the cosmetic products.
Usually though, yeast polypeptides are integrated in cosmetics for their moisturizing nature apart from their collagen, elastin, and in general their cell building nature. In view of such cell formation the skin starts looking more firm. These polypeptides also function in combination with hyaluronic acid, which is also present in yeasts. This acid also helps to restructure and revive the skin, by lifting the skin, and tightening the pores.
Products with Yeast: http://skin18.com/search?q=Yeast+
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