The oil on the condom is mainly composed of silicone grease, which is a natural lubricant and will not affect women. Condom is a widely used contraceptive tool at present, the oil on the surface is a common lubricant, its waterproof performance is good, can dissolve in water, does not contain greasy feeling, will not cause skin irritation, no residue, pH test value is weak acid, easy to clean, no side effects. Its will not cause irritation to the body’s mucous membrane, effectively prevent the body from damage, and the body also has a certain self-cleaning effect, can be part of the bacteria, dirt, decomposition, but if women are allergic to the use of condoms, pay attention to the possible occurrence of allergies. It is recommended to buy condoms from regular manufacturers when having sex and to wash your vulva in time after sex.