That spray foam liquid condom article was from 2005. They seem to have a newer model.
OLO Recommend China Invisible Colorless Female Condom Liquid Condom for Women
"Liquid condom is a water-soluble, odorless, transparent liquid paste that can prevent sexually transmitted diseases in vitro, while there is a strong spermicidal effect. Condoms as a liquid dosage form is a new product, European and American countries have adopted this product up to contraception, condoms liquid Oula La brand to introduce internationally proven scientific research, using the formula specified safety components, with barrier and damage sperm lipid double membrane system role, so that life without gender barrier and distance, achieve a healthy, safe and comfortable."
The Safest Liquid Invisible Female Condoms
Female Contraceptive Lubricant Injection Type
CA$9
Usage:
3 minutes before sex, take out a lubricant, take off the cap, slowly insert into the bottom of the vagina, cap as a booster, extrude the gel, the gel will form a protective film in 3 minutes.
Each lubricant can only be effective contraception once, do not reuse, do not recommend woman on top position use, no need to clean after sex, if you need to clean within 30 minutes after the end.
Each time is restricted to only one sexual activity. If you need second time for sexual activity, please use another one in advance.