Silicone condoms do not dry out and may be more comfortable. Either type of lubricant can contain a spermacide, usually Nonoxynol-9. This means it also kills bacteria based STD's. That's the good news. A lot of people are allergic to it.
Women tend to be more allergic than men.
To help with lubrication, you can always add a few drops of one of the personal lubricants available on the market today. There are a number of them. Just make sure that it is a water-based lubricant. Some of the newer lubricants are silicone-based. This is also works well since silicone slides easily.