If your hair is severely damaged, it will not be possible to get a color that requires pre-lightening, such as pink, without risking severe damage and breakage.
It should show cut-in pressure just below the typical 30 psi mark. That way, when a user opens a valve and the pressure in the system and tank drops below...
Make sure you don't use thinning shears! This actually makes your hair more frizzy. Instead, it's better to style and cut your hair in a way that works with your...