Red and white stripes on my nails

Hello! Skin picker here that’s trying to stop and recover. I mostly pick the skin around the nails, sometimes I bite it.

Since I started taking more care of my hands and trying to stop, I noticed these red lines/stripes on my nails followed by a white line/stripe.

What is that? Could it be caused by the skin picking? Sometimes is even more noticeable than in the picture.