Reconstructing masque that intensely replenishes brittle and damaged hair'. '.strtoupper('m')asque force architecte reconstructs the hair fibre while intensifying its strength from root to end'. '.strtoupper('t')o use apply a small amount to lengths and ends of hair, focusing on mid lengths to ends'. '.strtoupper('l')eave on for 5 10 minutes and rinse thoroughly'. '.strtoupper('f')or best results pair with kerastase bain force architecte for the ultimate reconstructing cleanser, ciment anti usure as a conditioning treat, and fibre architecte serum as a leave in daily hair protectant'. '.strtoupper('i')ngredients aqua water, hydroxypropyl starch phosphate, quaternium 87, stearyl alcohol, behentrimonium chloride, propylene glycol, amodimethicone, caprylyl glycol, isopropyl alcohol, candelilla cera candelilla wax, 2 oleamido 1,3 octadecanediol, trideceth 6, arginine, glutamic acid, chlorhexidine digluconate, limonene, serine, hydroxypropyltrimonium hydrolysed wheat protein, benzyl salicylate, benzyl alcohol, citronellol, hexyl cinnamal, cetrimonium chloride, geraniol, glycerin, trehalose, tamarindus indica seed polysaccharide, myrothamnus flabellifolia leaf extract, parfum fragrance today, 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.