If Vaseline is the only option available to you, try coating the substance on all exposed areas of your skin and experiment to see if the bugs refrain from biting you. If this fails, utilize the product as a slippery and thick coating to keep bugs from other parts of the room from being able to reach you; bed bugs cannot fly or jump—they must climb.
Knowing the symptoms of bed bug infestation is the key to diagnosing a suspected problem. Even if you're just looking to prevent bed bugs from coming home with you when you travel, being able to identify the signs of a bed bug infestation is a skill you can't afford to go without.
If you're wondering whether the feeling of bed bugs crawling on your skin makes you itch, the answer is no. Just having a bed bug on you will not make you itch, unless you notice it and have a psychological reaction.
First, let's get one important note out of the way: bed bugs don't like to hang out on skin or in hair. They may hide on a person to move from one place to another (such as from a public area to your home), but they prefer to nest somewhere out of sight when they're not feeding.
These mites dig tunnels under your skin and lay eggs in them. You can get them if you have close contact or sleep in the same bed with someone who has them. They're too small to see, though. They prefer the skin between fingers, arm and leg folds, the penis, breasts, and shoulder blades.
You can see bed bugs on skin with the naked eye - as long as you have normal vision. Baby bed bugs and eggs are too small to be easily seen. Seeing bed bugs on skin is rare since they do not like to live on people or animals. It is much easier to see bed bug bites and their droppings than it is to see the bugs.