The most popular sunscreen tube is oval or flat shape 50ml sunscreen tube.Material can be 2-layer PE;5-layer EVOH  and ABL laminated tube.Considering to have a better gas barrier properties and toughness,5-layer EVOH tube will be a better choice.It can prevent oxygen and other gases sinking into the tube.In other words,it can stop dissolved aromatic compounds and other components sinking out effectively.If your cream product contains the component that will react with PE material sunscreen tube,you have to choose 5-layer or ABL tube to prevent the packaging being damaged and cause a leakage.