Unopened, well-formulated cosmetics can remain stable for a couple of years at room temperature, says Ni'Kita Wilson, a cosmetic chemist at Cosmetech Laboratories in Fairfield, NJ. But the clock starts once you bring a product home and open it.
How long does it take sperm to reach the egg? I would say at least a couple of hours, but it could take up to three days. Depending you your body and where the egg is in the cycle. The sperm that will be able to fertilize the egg will leave the cervix, at the most, 30 minutes. It does not take 3 days for the sperm to get to the fallopian tubes to ovulation.
Travel time? sperm to egg.? I asked this question once before but really got no good answere... I just want to know the average amount of time it takes for the sperm to reach the egg. I have heard it can be moments or days. Update: and is the conception date the day the egg/sperm combo came to thier resting place. Update 2: If I had a very early ultrasound and it showed my conception date was 2/10/06.