What to use as lube. lighter side, grapeseed and olive oils are great for vaginal and anal sex. Play it safe and always check a bottle's expiration date before . Vaseline can ultimately dry the skin out, though, as it doesn't. Lube is needed for anal sex because, unlike a vagina, the anus is dry. Lube Vaseline; body lotion; hand cream or lotion; baby oil; cooking oil. It seems as if Vaseline would make a great lube for sex. intercourse can also cause tiny tears in the thin skin of the vagina, penis, or anus.