L’Oréal Professionnel Tecni.Art Ring Light, 150 ml, Hair Glosses for Women, Whether your hair is blonde, brown, red or black, it deserves to shine bright like a diamond. L’Oréal Professionnel Tecni.Art Ring Light hair gloss provides a brilliant shine in seconds, day and night. Characteristics: gives hair shine quick and easy styling does not glue hair together does not weigh hair down How to use: Apply evenly to dry hair from an appropriate distance.