Kevin Murphy Cool Angel Cool Ash Colour Enhancing Shine Treatment 250ml. A colour-enhancing treatment cream designed for blonde, grey, silver and highlighted hair. COOL.ANGEL helps neutralise unwanted yellow and brassy tones while refreshing cool ash shades and enhancing natural-looking shine. Enriched with nourishing ingredients, it conditions, smooths and softens the hair, leaving it feeling healthier, more manageable and beautifully glossy. Ideal for maintaining salon-coloured hair between appointments, this lightweight treatment helps revive cool tones without weighing hair down.