Ideal for use in shorter length hair glow in the dark hair gel holds your style and adds seriously vibrant colour too each 10ml tube packs a punch of hot neon colour that looks incredible in the light and glows in the dark apply single colours or a mix of multiple colours for eye catching effects allow hair colour to charge in the light and this colourful gel will glow brightly in the darkr r glow in the dark hair gel8 neon colours blue yellow violet invisible pink red orange and gre