What strokes do you use to tattoo yourself waterproof?

The tattoo pen is disposable, that is, it can be applied directly, but it can be washed off with special cleaning supplies, which is quite convenient.

Tattoos can also be written as tattoos, also known as tattoos, which insert colored needles into the bottom of the skin to create some patterns or words on the skin. That is, to pierce the skin and paint the wound to make the body have permanent patterns.