·Dyeing to fix color and slow down fading. ·Two-in-one dyeing and protection, easy to color, healthy and safe. ·Purple color-locking hair care has a full anti-yellowing effect. ·Customized salon-level treatments for hair loss. · Focus on hair roots strengthen & volumn. How to use · Apply right amount gently onto scalp. · Use fingers to massage scalp gently. · Rinse off with lukewarm water thoroughly after 2-3 minutes.