Keratin Complex Blondeshell Debrass Shampoo 13.5 oz. and Blondeshell Debrass Conditioner 13.5 oz. Combo Pack is the best shampoo and conditioner for colored hair that is blonde. Enriched to strengthen hair, these products are ideal for those with blond hair, helping to keep your look bright without the brassiness. In addition to preserving color, you hair is conditioned to improve shine, bounce and control.