What is Rhodiola extract ?
Rhodiola is a perennial herb or subshrub wild plant widely distributed on high-altitude rocks and cliffs in Europe, Asia and North America. It grows in the high and cold pollution-free zone at an altitude of 1800-2500 meters, and its growth environment is harsh, so it has strong vitality and special adaptability. The main active ingredient is salidroside, which has anti-oxidation, whitening and sun protection effects. When Rhodiola rosea extract is added to skin care products, it can be used as antioxidant + whitening + antibacterial and anti-inflammatory, as well as a weight loss effect. In the West, Rhodiola is more and more valued and welcomed. When used in skin care products, it can promote microcirculation, stimulate the production of collagen and elastin, and protect the skin from environmental stimuli such as ultraviolet rays.
Function of Rhodiola extract
■ Anti-aging
Rhodiolar root extract has a strong antioxidant effect, can protect the body from oxidative stress, can effectively remove free radicals, delay the aging of the cerebral cortex, and also have anti-aging effects on the skin. Studies suggest that its key active constituents, salidroside and several rosavin compounds are 
responsible for rhodiola’s longevity effect.It has a stimulating effect on fibroblasts in the dermis, and promotes the division of fibroblasts and their synthesis and secretion of collagen. At the same time, collagenase is also secreted to decompose the original collagen, but the total amount of secretion is greater than the amount of decomposition. Collagen forms collagen fibers outside the cell, and the increase in collagen fiber content indicates that it has a certain anti-aging effect on the skin.
■ Skin whitening
Rhodiola extract inhibits the activity of tyrosinase and reduces its catalytic speed, thereby reducing the production of skin melanin, improving skin pigmentation, and achieving skin whitening effect.
■ Sunscreen
● Rhodiola rosea root extract has a protective effect on cells, and its protective effect is stronger under light conditions. This is because salidroside absorbs light energy and at the same time converts light energy into energy that is non-toxic to cells. Play a protective role.
● Salidroside can obviously inhibit the increase of inflammatory cytokines caused by ultraviolet radiation, and has obvious protective effect on skin ultraviolet radiation damage. It functions on the skin to boost immunity so it’s less susceptible to environmental stressors like pollution and sun damage.
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