The Revlon Professional Pro You The Definer hairspray will help strengthen and extend the duration of your hairstyle while also increasing its volume. It gives your hair the desired volume and shine, lifting it to help you shape the hairstyle of your dreams. Thanks to its perfect fixing properties, it ensures maximum control over your hairstyle, keeping your hair in the desired shape all day long – whether you are working, exercising, or perhaps going to a una party.