The TRESemmé Ash Blonde Colour Enhancing Hair Mask is formulated to refresh and maintain ash blonde hair by reducing brassy and yellow tones. Enriched with professional-grade color pigments, a UV filter, and argan oil, this mask nourishes hair, providing a vibrant color boost and glossy shine between salon visits. It’s suitable for both natural and colored hair and is free from ammonia and peroxide, making it safe for daily use.