Helps preserve hair colour for up to 6 weeks. Our 93% naturally derived leave-in treatment triple-protects your hair colour with our powerfully effective, botanically-based color conserve complexTM. - Larch tree helps seal in colour. - Anti-oxidants from green tea help protect against environmental stressors. - Naturally-derived blend from wintergreen and cinnamon oil help protect colour from UVA/UVB damage. How to Use For best results, start with aveda hair colour. Once a week, after shampooing, apply evenly to damp hair, roots to ends. Leave in 2 to 5 minutes. Rinse thoroughly.