One Rule to Remember
You've got a condom. You've got some lube. You want them to work together and not fall apart halfway through. Here's the only thing you really need to know: oil-based lube and latex condoms don't mix. That's it. That's the foundation. Everything else is a variation on that.
Oil-based lubricants can weaken or damage latex condoms and contribute to breakage. This isn't a theoretical concern, it's documented in the scientific literature. If you're ever in doubt, check the exact condom and lubricant instructions for the specific products you're using.
So What Works?
There isn't a universal shortcut. Check the instructions for the exact condom and lubricant you're using. Our water-based vs silicone lube article goes deeper into the differences between those lube types, but compatibility still comes back to the specific products in your hand.
Silicone-based lube may suit different needs than water-based lube. Compatibility with specific condom materials varies, check the condom and lube manufacturer's guidance.
For toy materials, compatibility depends on the toy's material. Follow the toy manufacturer's guidance.
What About Non-Latex Condoms?
Non-latex condoms, polyurethane, polyisoprene, lambskin, have different rules. Compatibility with lubricants varies by manufacturer and by specific product. Do not assume any non-latex condom is compatible with oil-based lubes. Check the label. The manufacturer's instructions are the authority here, not a forum post, not a friend's advice, the actual product packaging.
Lambskin condoms have a different problem entirely: they should not be used to prevent HIV or other STIs. If you need STI protection, lambskin isn't the answer regardless of what lube you use.
The Simple Rule
Check both labels. The condom box and the lube tube. If the condom is latex and the lube contains oil, don't use them together. If you're ever in doubt, check the specific product guidance.
If you have a latex allergy, non-latex condoms exist. Check what lube they're compatible with. If you're not sure, ask the manufacturer.
What Not to Do
Don't experiment with lube and condom compatibility by using them together and hoping for the best. If you're curious about whether a particular lube works with a particular condom, check the product guidance rather than experimenting with them together and hoping for the best.
The Bottom Line
Oil breaks latex. Check both labels. If you have a latex allergy, look for non-latex options in the condoms collection and check their specific lube compatibility against the lubes collection. Simple as that. The fewer variables you're juggling in the moment, the better everything works.