Prolin is used for highlights lowlights colour & volume The results are guaranteed the colour you see is the colour you get in your hair Plus they will not fade in the sun sea or pool so they are fantastic hair extensions to get for your up coming holiday Prolin Hair Enhancers are completely chemical free & hair friendly All Dome products are ecofriendly recyclable & have not been tested on animals You can create subtle & natural looking changes or add funky fun colours to any hairstyle by adding Prolin Hair Enhancers without the need for any longterm commitment Prolin Hair Enhancers come in a range of 40 colours & take just minutes to attach or remove without regrowth or commitment When it is applied the extensions look completely natural & are undetectable No one knows you are wearing them There are no glues or chemicals used with Prolin hair extensions There are no chemicals or strong acetones required for removal & can even be taken out at home by the client themselves Approximately 1 30g pack of prolin will be needed for around 30 colour enhancers Weight 30 Grams Length 30 Inches 76cms Heat Styleable Yes using heated rollers or blow drying on a low heat setting Style Permanent Wave Colour PWC4 Flame