The tremella, botanically known as Tremella fuciformis, is an edible mushroom that grows in tropical and subtropical regions. From this jelly-like fungus, a natural hyaluronic acid of low molecular weight is extracted, capable of penetrating deeper into the skin. It thus possesses excellent moisturizing properties, detailed below.
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What are the properties of Tremella fuciformis on the skin?
Summary
- What is Tremella fuciformis?
- Tremella fuciformis for skin hydration
- Tremella fuciformis for combating oxidative stress and preventing skin aging
Published March 2, 2022,
updated on October 2, 2024,
by
Maylis, Chemical Engineer
—
5 min read
What is Tremella fuciformis?
The Tremella fuciformis, also known by the common names of silver ear and snow fungus, is a gelatinous white mushroom found in tropical regions. It grows on the trunk of dead trees. In China, it is one of the most popular mushrooms in cooking even though it doesn't have much taste (it is mainly appreciated for its gelatinous texture when boiled). It has also been renowned for years in traditional Chinese medicine due to its liver-protective properties and its ability to stimulate hematopoiesis and blood circulation. The Tremella fuciformis is listed in the Shen Nong Ben Cao, the oldest Chinese medical book dating back to 2,800 BC.
In skincare, this fungus is present in the form of a plant extract referred to by the I.N.C.I. name of "Tremella Fuciformis (Mushroom) Extract". It offers several benefits for the skin, which are detailed below.
Tremella fuciformis for skin hydration.
Rich in polysaccharides and fatty acids, thetremella extract forms a microscopic film on the skin's surface and enhances the impermeability of the skin barrier.
Furthermore, from this gel-like fungus, we extract a natural hyaluronic acid of low molecular weight, capable of penetrating deeper into the skin. As a reminder, hyaluronic acid is a compound naturally present in the skin, primarily in the dermis, acting as a molecular sponge: it is capable of binding up to 1,000 times its weight in water. Its function is to ensure skin hydration. Additionally, it contributes to the formation of the dermis' connective tissue and serves as a support for collagen and elastin fibers. Thus, it plays a fundamental role in the density and firmness of the skin. However, over the years, the body's production of hyaluronic acid tends to decrease (a drop of about 6% per decade), leading to the appearance of the first wrinkles and fine lines on the surface of the epidermis. Therefore, it is beneficial to supply the epidermis with hyaluronic acid through dermocosmetic care containing active ingredients rich in hyaluronic acid, like the extract of Tremella fuciformis.
Tremella fuciformis for combating oxidative stress and preventing skin aging.
The extract of Tremella fuciformis not only has moisturizing effects, but it also possesses antioxidant properties.
reactive oxygen species naturally produced by the body. However, when cells are faced with a stress, they generate them excessively. This phenomenon has a name: it's called oxidative stress. The contributing factors are numerous, the main ones being UV exposure, pollution, smoking, and a diet too rich in fats and/or sugars. Free radicals are particularly unstable molecules due to their unpaired electron. They tend to react with other molecules to form a pair of electrons, and in doing so, cause damage by attacking the body's healthy molecules such as the lipids that make up cell membranes (lipid peroxidation) or proteins such as collagen and elastin. This accelerates skin aging and wrinkles appear on the skin's surface.
The phenolic acids found in the extract of Tremella fuciformis specifically neutralize the superoxide anion, denoted as O₂.⁻, preventing it from causing harm and degrading the healthy compounds present in the skin. Thus, this plant-based active ingredient slows down aging and protects skin cells from external aggressions.
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