As a lady, I think you will have a lot of your own cosmetics, such as hand cream, cleansing cream, eye cream, etc.. They are mainly packed by soft cosmetics tubes. But were you ever interested in what their material is?

Common material is plastic. What are the features?

Normal plastic tube packaging is divided into mono-layer, double-layer, and five-layer tube. Their differences are the anti-pressure, anti-penetration and hand feeling. Features of 5-layer tube, excellent gas barrier properties can effectively prevent the infiltration of oxygen and odor gas, while preventing the fragrance of the contents and the active ingredient of the seepage.

Usually, hand cream and facial cleanser tubes are using mono-layer tube. But you would need to test for different cosmetics.