Yakukousen Whole Body Oil Treatment Serum R Oil Beauty Serum 120ml, 1 bottle This oil beauty serum can be used on your face and entire body. It's a rich beauty serum based on natural ingredients like fresh royal jelly, yet it blends smoothly into the skin, leaving the surface feeling smooth. This treatment oil also has a pleasant fragrance that provides a sense of relaxation. The bottle in the photo was used for the shoot, but you will receive a brand new, unused product when you purchase.