Mina Eyebrow Henna College Kit is the best choice for beginners in eyebrow tinting. It is the first-ever brow tint kit designed specifically for students of eyebrow tinting to help them practice eyebrow tinting on themselves and on others without having any prior knowledge or experience. The college kit for brow tint is also very much suitable for professional semi-permanent tattoo stylists or eyebrow artists.
Source: https://www.ibrowhenna.com/products/mina-henna-college-kit