Polyurethane is a plastic used as an alternative to latex and polyisoprene in condoms. Which lubricants are safe with polyurethane is hit or miss, but it’s usually aloe-based formulas you need to avoid.
If you’re using condoms, you should be using a lubricant. The right lubricant makes condoms more comfortable to use & can help prevent breakage. But not all lubricants are safe for all condom materials. Here’s what you need to know about lube-condom compatibility, plus tips for using condoms effectively.