1Strong permeability, the permeability of essential oils is faster than ordinary skin care products, convenient for use. 2Good sealing, can preserve the quality of essential oil well and avoid volatilization, considerate design. 3Using natural ingredients, mild and nonirritating, safe and has no harm to skin, you can use it with confidence. 4Massage the penis, promote blood circulation, increase penis thickening, improve sexual function, increase libido. 5Light weight and in small size, easy to store and carry, can be easily put into your bag, perfect for home and travel use.