| abstract |
PROBLEM TO BE SOLVED: To provide a preservative-free cosmetic material which can obtain higher moisture retention and viscoelasticity by combining many dermal components of the skin, has a high skin improvement effect, and is highly safe. SOLUTION: A combination of fiber component collagen, elastin, and substrate components sodium hyaluronate, sodium chondroitin sulfate, N-acetylglucosamine, among the dermal components of the skin, and polyhydric alcohol is added to enhance safety. It discovered that the said subject could be solved by mix | blending and making preservative free. 【effect】 The present invention provides a highly safe preservative-free cosmetic that can obtain higher moisturizing property and viscoelasticity improvement effect by combining many fiber components and substrate components among the dermis components of the skin. Possible [Selection figure] None |