As silicone based :: lubricants don't contain water, they never dry up. Lubricants stay slick for a very long time. Silicone based lubricants are great for body massage, as a skin moisturizer, and you can also use it for shaving. Because they don't break down in water, silicone-based lubricants can be used in the shower or tub. Silicone lubricants are not compatible with silicone sex toys or cyberskin sex toys. If you don't want your lovely toys to be damaged, never use silicone-based lubricant with these toy materials. It is very difficult to wash off, especially sheets. Silicone based lubricants have a "coating" effect on the skin which some people don't like. Unfortunately, silicone-based lubricants tend to have a bad taste. However, advantages of this type of lubricants prevail over its disadvantages.
Water based lubricants are :: the most multipurpose. They don't erode condoms and materials, vibrators are made of. The only disadvantage of such anal lubricants is quick dryout and probably you will have to apply lubricant once more during sex. Silicone lubricants do not dry up and do not erode condoms and other latex wares. Don't use silicone anal lubricant playing with silicone sex toys. Anal lubricants may be edible and flavored. The best lube for anal sex is lubricants with antiseptic. The first experience of anal penetration is better to get alone with the help of fingers or sex toys. Be careful, inserting anal toys: painful sensations mean that it's better to stop.
Oldest dildo :: The oldest dildos were found in tombs of ancient Egypt. They were made of loam. As Egyptian aristocracy was buried only with the most valuable things (which could be useful in a better world), so it is obvious, that dildo was of a great importance for Egyptian women. For material considerations not so much dildos were made of gold or silver. In the Middle Ages sealing wax was widely spread. It absorbed body warmth and became a little bit soft creating natural sensation. Primitive tribes used loam: unglazed for common people and glazed for leaders wives. During active use loam could break to pieces what led to painful procedure.