Method and apparatus for highlighting hair

Method and device for increasing the volume of a head of hair

Method and product system for performing treatment of hair

Method and system for treating damaged hair

Method for determining effectiveness of relaxer treatment

Method for foiling hair

Method for hair conditioning and permanents

Method for permanently shaping keratin fibers, and agents

Method for setting hair or fur

Method for simultaneously dyeing and permanent shaping of hair

Method for simultaneously dyeing and permanent shaping of hair

Method for styling hair using a flat disk

Method for the durable shaping of keratin fibers

Method for treating hair shape and treating device thereof

Method of coloring hair using cationic dyes

Method of hair highlighting using polystyrene sheet

Method of rating hair damage

Method of recurling tightly curled hair

Method of recurling tightly curled hair

Method of selective hair coloring and coloring comb for practici