There are two types of caps for lotion bottles. The common cap is equipped with a lotion pump and the cap is equipped by squeezing the lotion pump. The amount of emulsion can be effectively controlled. It is well received by the market and has a relatively high penetration rate. The cost is also higher. The other is the ordinary bottle cap packaging, but the bottle mouth is often set to be very small, which can also effectively control the amount of lotion 3, but it is not as convenient as a lotion pump. The main materials of the lotion bottle are acrylic, glass and metal, and the outer packaging is mainly for the pursuit of exquisiteness and high-end.