In today's cosmetics market, various ingredients emerge in an endless stream, each with its own unique efficacy and mechanism of action.
Glutathione is a tripeptide composed of cysteine, glycine and glutamic acid, which has strong antioxidant properties. It is widely present in the human body, and its main function is to protect cells from oxidative stress.
In cosmetics, glutathione is widely used in whitening and anti-aging products. Studies have shown that glutathione can reduce the production of melanin by inhibiting the activity of tyrosinase, thereby achieving the effect of whitening the skin. In addition, glutathione can enhance the antioxidant capacity of cells, reduce the damage of free radicals to the skin, and delay skin aging.
Adenosine is a naturally occurring nucleoside that is widely present in human cells and participates in a variety of physiological processes. In cosmetics, adenosine is mainly used as a skin conditioner, which has the effects of moisturizing, anti-wrinkle and promoting skin repair.
Studies have shown that adenosine can stimulate the proliferation of skin cells and the synthesis of collagen, thereby improving the elasticity and firmness of the skin.
In addition, adenosine also has certain anti-inflammatory effects, which can reduce redness and inflammatory reactions of the skin. In terms of safety, adenosine is widely considered to be safe, and no obvious side effects have been found even when used at high concentrations.
Nicotinamide riboside (NR) is a nucleoside naturally present in foods such as milk and yeast, and is a precursor of nicotinamide adenine dinucleotide (NAD+). NAD+ plays a key role in cellular energy metabolism and DNA repair, so NR is considered to have the potential to fight aging and improve skin health.
Studies have shown that NR can increase the level of NAD+ in the skin, thereby enhancing the antioxidant capacity and DNA repair capacity of cells. In addition, NR has been found to reduce UV-induced skin damage and improve the skin's ability to retain moisture. Although the application of NR in cosmetics is still in its infancy, its potential anti-aging effects have attracted widespread attention.
Glutathione, adenosine and NR are common ingredients in cosmetics, each with unique efficacy and mechanism of action. Glutathione is mainly used for whitening and anti-oxidation, adenosine focuses on anti-wrinkle and skin repair, and NR is attracting attention for its anti-aging potential.
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