Cosmetic composition containing mixture of arginine, hyaluronic acid and macadamia nut oil for improving moisturizing effect of hair

The present invention relates to a cosmetic composition for improving the moisture of hair, containing a mixture of arginine, hyaluronic acid and macadamia nut oil and, more specifically, to a cosmetic composition for improving the moisture of hair, containing, as an active ingredient, a mixture of arginine, hyaluronic acid and macadamia nut oil, which increase the internal water content of hair (especially damaged hair). A cosmetic composition, according to the present invention, for improving the moisture of hair, preferably damaged hair, containing, as an active ingredient, a mixture of arginine, hyaluronic acid and macadamia nut oil exhibits effects of improving the ability to maintain the internal water of hair and increasing the period of water retention of hair by increasing the internal water content of hair and inhibiting the evaporation of the internal water of hair.