INVIGO BRILLIANCE mask coarse hair 500 ml INVIGO BRILLIANCE mask coarse hair 500 ml is a hair mask designed to deeply nourish and condition coarse hair. The mask is formulated with a blend of ingredients such as avocado oil, shea butter, and vitamin E to help make hair softer, smoother, and more manageable. It also helps to prevent split ends and tame frizz. The mask should be used once or twice a week, depending on the hair type. After shampooing, apply the mask to damp hair and leave it in for 5-10 minutes before rinsing.