technique

so lately I've been diving into color theory and started art school, but my problem is applying them to my tattoo's, I use to do B&G first then lay color over it but I'm just beating up the skin more than it needs, so I wanted to try to start using more contrasting colors and different shades...

I am a beginner artist and one strange thing I noticed that the ink really plays a huge part in your overall work. I recently purchased Kuro Sumi Tattoo Ink after using Mom's for about 4 months. *I wanted to be cheap* So for the same price I received 2X's more ink than Mom's ink; 1st plus. Then...

So I am new to tattooing and I am very picky about certain projects that require a lot of shading. When I use a circular motion to shade, certain areas are always lighter than the others. I tend to use the same sized shading needle as the outline. So if I used a 7RL for the outline, I would use...