When the timer dings, rinse your hair with cool or lukewarm water—never hot. Use the conditioner that came with the kit, and skip shampoo for at least 48 hours. Your hair just went through a little chemistry party; let the cuticles close up and chill.
What Color Highlights Go Well With Dark Brown Hair - Infoupdate.org
After rinsing, you might notice a brassy tone. That’s normal, especially if you’re lifting multiple shades. A purple shampoo or toner can neutralize those orangey vibes and give you a cooler, more ashy light brown.