Maybe you are looking to make anal go more smoothly. KY® Jelly™, Yours + Mine™ and Warming Jelly™ lubricants are safe to use with all.
Check out this KY jelly his and hers review to learn why it is one of the best. Name: K-Y Yours + Mine Couples Personal Lubricants Our Rating: to clean; It has a sweet smell; You can use it for anal sex; Increases sensitivity.
KY is generally not a great lube for anything, if you ask me. It is relatively safe for use with toys, condoms, etc. But it's water based and tends to gum up pretty.