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.
1 Wet the sponge thoroughly with at least two tablespoons of water to activate the spermicideÂ­Â­âdo not use saliva. 2  Gently squeeze the sponge until it is foamy. 3  This will activate the spermicide once the sponge is completely wet. 4  Fold the sides of the sponge away from the removal loop to make it narrow.