Purpose of this invention, the conformity to the new arginine derivative and the skin and the hair being satisfactory, is superior in the softening effect and the integral skin effect of the skin, the be are times when the coming impression and the stretching impression of passing little offer the cosmetics where the use impression is satisfactory. This main invention, is shown with the below-mentioned general formula (1) blendinging the arginine derivative which, and that, is the cosmetics which become.< Conversion 1 > In formula, R and R, the hydrogen atom, or carbon count 2 - 3 direct or are the monohydroxy alkyl group of branching, at least either one of R and R carbon count 2 - 3 shows direct or the monohydroxy alkyl group of branching. R the hydrogen atom and the alkaline metal atom, shows ammonium or organicity ammonium.本発明の目的は、新規なアルギニン誘導体及び肌や毛髪へのなじみ性が良好で、肌の柔軟化効果、整肌効果に優れ、べたつき感やつっぱり感が少なく使用感が良好な化粧料を提供することにある。かかる本発明は、下記一般式(1)で示されるアルギニン誘導体、およびそれを配合してなる化粧料である。【化1】式中、R1およびR2は、水素原子、もしくは、炭素数2~3の直鎖または分岐のモノヒドロキシアルキル基であり、R1およびR2の少なくともどちらかは炭素数2~3の直鎖または分岐のモノヒドロキシアルキル基を示す。R3は水素原子、アルカリ金属原子、アンモニウムまたは有機アンモニウムを示す。
