The great hydrator moisture mask 150 mlconcept. an intense hydrating treatment to moisturise, soften, reduce frizz and add shine. benefits. deeply moisturises, adds softness and shine while helping to detangle and improve manageability. how to use. apply to wet hair, leave for 5 minutes and rinse. use at least weekly depending on hair condition. 150ml 5. 1fl. oz recommended for dry, colour treated hair. vegan cruelty free made without sulfates, parabens or gluten.