Do you put lube on the penis/condom or in the vagina?

Roll the condom on when your penis is erect (hard), but BEFORE it touches your partner's mouth or genital area (vulva, vagina, anus, buttocks, and upper thighs) — and wear it the whole time you're having sex. ... You can put a few drops of water-based or silicone lubricant inside the tip of the condom before you roll it on. read more

Just be careful: If your sex toy is made of silicone, you'll definitely want to use a water-based lube, since silicone lubes can deteriorate soft rubber. 3. Use it during vaginal intercourse, obvi. There's no wrong way to use lube during intercourse. You can apply it directly to your body, or to the penis or condom itself. read more