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Damask rose is assumed that it is a hybrid between Rosa gallica and Rose Moschata in Asia and propagated through Syria, Fareastern Asia and to Europe. It has elegant scent, so it has been traditionally and widely used as ingredients for fragrance and cosmetic bath. Petals contain much more vitamin C than lemon or orange and also phenolic compouds such as quercetin and kaempferol. As a result, it effectively removes free radical and ROS. What's more, it is studied that damask rose also has anti-bacterial and anti-inflammatory effect.

Resveratrol is one of the polyphenols derived from some plants such as grape, mulberry and peanut. It is formed when plants are invaded by bacteria or fungi or damaged. By removing free radical, it has an anti-oxidant effect. At the same time, it supresses the biosynthesis of melanin, so it appears a whitening effect, too. Although it is somewhat hydrophobic and unstable, MC-resveratrol is improved form thanks to the microemulsion technology.

When snail's body is damaged, it cures for itself by secretng mucus substance. There is glycoprotein called 'Mucin' in the mucus, which is one of the components of skin, it helps skin tissues maintain the moisture. Furthermore, it has been observed that mucin has anti-bacteriial effect. We can guess that the protein part of Mucin has an anti-bacterial effect, because the effect disappears after treating protease. Also., Allantoin, another substance in the mucus of snail, plays an important role of soothing, tightening pore and Glycolic acid adjusts the pH of skin.

Collagen is a fiber protein filing the space between cells of animal. A large amount of collagen exists in skin, catilage, bone, blood vessel wall and muscle. Especially, the connective tissue of skin is full of collagen and elastin fibers. 70% of dermis components is collagen fibers. As we get older, collagen synthesis is slower and exising collagens are decomposed, which results in skin aging. Collagen having small molecular weight invades skin more efficiently and helps rejuvinate damaged skin. As a result, the elasticity of skin is recovered and finally skin aging can be prevented.

Caffeine had been firstly isolated from coffee bean by German chemist, Ferdinand Runge, in 1820. It is named after the fact that it is substance in coffee (coffee+in). Nowadays, it has been reported that not only coffee but also about 60 species of plants contain caffeine in leaves and fruits. Green tea, cocoa, mate are the example of caffeine-containing plants. If the caffeine is absorbed in our body, it makes neurons more active and has arousal effect. In the mean while, it is studied that caffeine protects keratinocytes from UV on our skin, which lower the possibility of skin carcinogenesis.