In a 2001 study of youths ages 15 to 21, researchers found 33 to 50 percent of youth said it was important for the condom to fit tightly, leaving no air space at the tip, and that petroleum jelly, such as Vaseline, is a good lubricant.
Using expired condoms, having intercourse for any length of time before putting on a condom, or using petroleum jelly as a lubricant are all ways to decrease the effectiveness of condoms at preventing pregnancy.
Lubricate: Although a quick shave can be done with just warm water and softened skin, using a shaving foam or lubricant will ensure better results and a slicker glide.
In addition to the material, keep the zipper in tip-top shape by treating it with a zipper lubricant, which keeps the mechanism free of debris and extends its life.
After the skin has dried, the patient should apply a skin lubricant to seal moisture in the skin and create a barrier against further dryness or irritation.