Some have aloe vera in them to keep skin from drying out. Ordinary soaps and detergents are very effective at killing the virus and should be used for cleaning up before and after sex and for cleaning sex toys. Hydrogen peroxide can be purchased from most pharmacies to be used as a gargle and for disinfecting sores or wounds. For example it can be freshly diluted and used as an added layer of protection when rewetting water soluble lubricants. It's not much fun in sex but is very handy to have around in case there is an emergency such as when ejaculate accidentally gets into an open sore.
Plastic wrap creates an effective barrier between body juices and can be a lot of fun.
It shouldn't be used as a condom unless absolutely necessary. It is also great to use just for the fun of it.