[header] How to use spermicides [title] Fill the plastic applicator tube with spermicide. [step] Your foam, cream, or jelly spermicide will come with an applicator tube. Fill the applicator as indicated on the packaging. 
This amount will vary between different spermicide products. [substeps] Foam, cream, and jelly spermicides are equally effective but may be more or less comfortable to use for different people based on their personal preferences.