Providing thicker glossy hair kerastase coutre styling materialiste boosts the appearance of the hair fibre diameter for hair that looks fuller then before with the added benefit of a glossy sheen when sprayed into the hair it makes the hair appear thicker but in spite of that it doesnt make it difficult to style hair remaining just as easy to shape as before materialiste provides whole new levels of care for those with fine hair hair lacking density or even those that just want natural