Pet Head Colour Me Bad Woofalicious Pink Hair Gel (15 ratings) Temporary coloured hair gel for dogs £8.99 This item is currently out of stock Lots of fun can be had with your pup with this temporary, non staining coloured hair gel by Pet Head. Simply washes out! To use - place on fingertips and apply to coat. Use for spiking, tipping adding a streak or splash of colour. Test colour on lighter fur and avoid eye area. 50ml (1.7 fl. oz) tube.