Lubrication or lube is a liquid or gel used for various sexual acts to reduce friction and irritation during sexual activity. Lubes can be used for all kinds of sex. There are various kinds of lubes available in the market. The two main heads however are flavored and unflavored lubes. Flavored lubes are not to be used for any kind of penetration as they can cause irritation post sex. In the case that you may experience an allergic reaction, unflavored lubes can be used for penetrative sex of all kinds. Lubes can also be used during masturbation. There are various bases for unflavored lubes that have different advantages for different types of sex.