"Rinsage – Hair Coloring" Rinsage (or toner) is a semi-permanent coloring treatment designed to neutralize unwanted undertones, refresh faded color, or enhance the vibrancy of your hair. Whether you're looking to eliminate brassiness from blonde, add shine to brunettes, or cool down red tones, toning brings balance and brilliance to your hair color. It’s the finishing touch that elevates your color from good to salon-perfect.