Masquintense riche by kerastase is an intensely nourishing rich hair mask for very dry medium to thick hair'. '.strtoupper('t')his mask is designed specifically for thicker hair'. '.strtoupper('e')nriched with specially chosen conditioning polymers and niacinamide, this rich mask conditions hair and offers balanced hydration for instant suppleness, shine and softness'. '.strtoupper('m')asquintense riche has a rich and thick white creamy texture, making it an ideal treatment for very dry hair'. '.strtoupper('t')o use step 1 once hair is shampooed and towel dried, apply to lengths and ends'. '.strtoupper('s')tep 2 massage lengths and ends'. '.strtoupper('s')tep 3 leave it on for 3 5 minutes'. '.strtoupper('s')tep 4 rinse'. '.strtoupper('i')n case of contact with eyes, rinse them immediately and thoroughly'. '.strtoupper('i')f irritation occurs reduce the frequency of use'. '.strtoupper('m')asquintense riche can be used after bain satin or bain satin riche'. '.strtoupper('t')oday, more than ever, the world needs care responsible and sustainable care'. '.strtoupper('s')ince 2013, kerastase has resolved to extend its expertise in the art of care by committing to using less virgin plastic'. '.strtoupper('d')rawing on their excellence in innovation, finding new ways to cut down on waste and empower their customers to make more sustainable choices'. '.strtoupper('k')erastase is committed to optimising packaging whenever possible, using less virgin materials and more recycled materials, recyclable packaging and refillable delivery systems'. '.strtoupper('b')eginning with shampoo bottles and branching out to more and more products, they are creating a sustainable packaging program, with many more refill innovations to follow'. '.strtoupper('k')erastase is also committed to more sustainable production and since 2019 their factory in burgos, spain has achieved carbon neutrality by improving energy efficiency and using 100% renewable energy'. '.strtoupper('s')ince 2017 the burgos production facility has also been a 'waterloop' factory'. '.strtoupper('t')his means that 100% of the water used for production processes is recycled and reused in a closed loop'. '.strtoupper('t')he external water network is only used in the composition of the products or for employee's day to day needs.