How deep should the tattoo needle go into the skin?

You have seven layers of skin, and you want to go about half of that depth for your best result. You are injecting the pigment into the dermis layer. Going too deep will result in blown and blurry...

there isn't a distinct measurement to how deep the needles should pass into the skin, but you should be working from the tip of needles, if your not deep enough, after wiping it will look like you...

There are three layers of skin, the Epidermis, Dermis, and Hypodermis. The needles penetrate the dermis, which is fairly permanent. Since the epidermis is constantly replenishing itself with new skin...

It should go all the way to the dermis! Which is the second layer of skin.

Gentamycin give IM.....No less than one inch needle and no more than one and one-half.....20-22 guage needle.....Most commonly use needle is one and one-fourth inches long....20-22 guage.