Non-medicated preparations and products for use on and in connection with hair; hair bleaching preparations, shampoos, conditioners, preparations for the care and beauty of the hair; preparations and lotions for colouring, dyeing, tinting and bleaching the hair; shampoos and styling putties all having a colouring effect; hair sprays all having a colouring effect for use in styling the hair; hair serums; neutralizing hair preparations; hair colour removers