L-Ornithine is the functional metabolite of L-arginine.L-ornithine acts as a precursor for polyamines. It may modulate the intake of food as an acute satiety signal in the neonatal chick brain.L(+)-Ornithine hydrochloride is used for hair care, skin moisturizer, and help skin wound healing, fight inflammation, conducive to post-sun repair,also widely used in medicine, food, cosmetics and liquid preparations.