Materials, products and services - the Green Guide Online provides details of the life cycle environmental impacts of construction materials and components, and the Green Book is a free online database of products and services.
Spermicides are used globally for birth control, with or without condoms. As the only means of birth control, spermicides are rarely effective. However, in conjunction with condoms, spermicides are somewhat effective in birth control.
The spermicide gel reinforces the physical barrier of the FemCap by increasing the suction effect onto the cervix. The extra spermicide placed in the brim of the cap adds a second layer of protection to increase effectiveness.