
All along, the major cosmetics brands use roll on bottles that are single ball, and the material is generally sub-divided into plastic beads and steel ball.
Roll on ball bottle principle of operation is following the principle of beads,moving the ball,the liquid will come out, it will less likely to waste things, and cut off from outside air, which is not easily oxidized pollution.its working theory is
Beads sliding on the body, the bottle of massage oil will flow with the rotation of the beads, so use it to massage the body, the skin will be fully lubricated.by turning the ball hardly, which equivalent to a body massage.
As the bead size is moderate, so you can slide in all parts of the body, especially for the pulse of the temple, inside of your elbow, or along the hairline, gently rolling, both the efficacy of massage, essential oils can also enable the uniform distribution inthe skin, then through the skin into the blood vessels, and then into the body.
Those roll on bottle fits for self massage, of course, ti is also easy to carry.In my carry-out bag, the ball often with their own bottles of modulation, in order to facilitate ready access.
We made a research on long term user of roll on product,and they think sometime they want more larger bottle,but keep the same size of roll on ball,because of smoothing to the face,so that it can be use longer.Now we develop new roll on bottle with two,three and four roll on ball.its color is changable.