Some silicone lubricants are compatible with some brands of condoms. The key word is some. You must read the packages before proceeding.
In any case, we here at Scarleteen don't recommend them because they aren't usually compatible with internal use (like in one's vagina or rectum). We are wary of putting something that doesn't breathe in our vaginas. Waterbased lube like Astroglide is a an excellent choice for that.
You can find a review of it here and you can purchase some here.
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