2025-08-20 00:00:00 Black Shine Diffusion is the official app of Black Shine, a point of reference for hairdressers and beauticians since 1988. Thanks to our consolidated experience we offer: Specialized catalog: over 5,000 professional products for hair styling, coloring, treatments, extensions, barber shop, manicure/pedicure, make-up and beauty. Exclusive offers: dedicated promotions.