The crossword solution for the term 'Beauty Shop Rinse' is 'HENNA'. HENNA is a dye made from the leaves of the HENNA plant, which is native to tropical and subtropical regions of Africa, Asia, and Australia. It is used as a natural dye for hair, skin, and nails, and is often used in beauty salons to create temporary tattoos. HENNA is also used in beauty shops to create a rinse that can be used to add color and shine to hair.