The best way to prevent yellow tones in your hair is to use our Silver Infusion. The result is the perfect cool blonde shade. Combine Silver Infusion with our moisturizing shampoo and moisturizing conditioner for soft, healthy hair. Our products contain gentle ingredients with nutrients that nourish your hair and scalp; they are free from sulfates, parabens, benzene, and cyclic silicones, and are 100% vegan. To prevent yellow tones, you should avoid washing your hair too often and keep it away from sunlight and product residue.