All the lubricants on the market -- even the ones at health food stores -- contain nasty chemicals that you don't want on your skin, much less on sensitive areas like a penis or vagina. So my wife and I recently started using coconut oil (organic extra virgin -- nothing but the best!)
It works great! My wife has a tendency to get yeast infections but hasn't got one since we started using coconut oil -- maybe because coconut oil has anti-fungal properties.
Anyway, that's our experience. Your mileage may vary of course!
Actually, the finest coconut oil costs far less than a lubricant you buy at Whole Foods. A small tube of lubricant costs about 5 bucks and contains about 1.5 oz. of product. That's over $3.00 an ounce.
A quart (32 oz.) of Tropical Traditions' finest certified organic virgin coconut oil costs $25.00 -- less than $1.00 an ounce.
If you buy the organic expeller pressed coconut oil (still very pure and much healthier and safer than the lube you buy in stores), it's $18.00 a quart. That's only 50 cents an ounce -- one-sixth the price of the lubricant.
Plus, we've saved money by not having to buy antifungal medication for over a year!