Tremella mushrooms are commonly used in cosmetics for their anti-aging and moisturising effects. Some evidence suggests polysaccharides help retain moisture and decrease collagen loss. A 2021 study found that a hand sanitiser gel with tremella mushroom extract was more effective than a placebo in moisturising the skin. Other research indicates polysaccharides may decrease skin damage caused by ultraviolet (UV) rays. A review on the production, structure, bioactivities and applications of Tremella polysaccharides.
