1. Salon-inspired formula to keep your colour fresh for longer - lasts up to 10 washes. 2. Rich conditioning product that adds tone and enhances shine and smoothness. 3. Provides customisable colour results for sheer to vibrant colour, depending on how long you leave it on. 4. Squeeze from tube and leave on from 2-15 minutes. 5. Does not lift, lighten, or cover greys! 6. No damage. Silicone-free formula. 7. No Animal Derived Ingredients. Gloss Up with our salon-inspired formula to keep your cool blonde colour fresh for longer. Clairol's Colour Gloss Up, Temporary Colour Gloss is customizable to shopper's desired level of vibrancy, as different leave in times deliver the desired colour and shine. The perfect colour boost that brings your cool blonde colour back to life while adding shine & conditioning hair, all in one simple step! Just squeeze tube and leave on from 2 - 15 minutes. No Mix, No Damage. What is a gloss? It's a rich conditioning product that adds tone and enhances shine simultaneously. Who is it for? Anyone with natural or colour treated hair that wants a boost of colour and tone while enhancing shine. What will it do for my hair? It provides customisable colour results for sheer to vibrant colour, depending on how long you leave it on. It does not lift, lighten, or cover greys though!