The science of fine to normal dull hair as fine to normal hair grows it becomes more sensitive it can begin to lack shine vitality and craves moisture the secret to crystal shine 1 weightlees moisture the formula quenches the hair fibre with moisture leaving it feeling velvety soft and as light as a feather 2 micro crystals embedded with visible micro crystals pearl the sparkling formula illuminates and smoothes the hairs surface for better light reflection and crystal shin