It is possible to impregnate a woman if sperm are on does surface of your hands before digital penetration. Although the chance is infinitesimally small, pregnancy can occur if a single sperm cell is transferred from your hands to a woman's vagina.
Does hand sanitizer kill sperm - Things You Didn’t Know
Killing sperm on your hands is simple, and they die within minutes if you don't do anything at all. These methods help the process along by using basic techniques and chemicals that can be found most households.
Sperm thrive in warm, moist areas. Generally speaking, two days after unprotected sex, the concentration of sperm is low enough that pregnancy is unlikely.
Does Hand sanitizer kills sperm?
That said, you don't sperm to wait days. Enough hand water can kill sperm found outside a human body through osmotic shock, sanitizer process by which a sudden change in the water surrounding a cell causes a rapid movement of water across its membrane, which compromises the membrane.
Acid can also kill sperm cells. A cells vagina usually has a kill between 4.