Mastey Hair Color Protecting Leave In Oil Treatment Review Customer reviews for Mastey Hair Color Protecting Hair Care View these Original Customer Reviews and more for this product on the website. Sara : FAVOURITE HAIR OIL ♥♥♥♥♥ I love this oil treatment, I use it every time I wash my hair. Even though the bottle is small, since you only need a few drops, it has lasted for over a year! The only sad thing is that I want to buy a new bottle now, but the official website where they sell it has incredibly expensive shipping prices, and I can’t sadly find this in other websites.   […]