Pastel Blue PLBLUE@10 , GOLDWELL ELUMEN High-Performance Long Lasting Hair Color Dye, Oxidant-Free, No Developer Needed, Haircolor Direct Dye - Pack of 3 w/ Sleek 3-in-1 Brush Comb - Walmart.com
Cool Blonde Freehand Color Merging Technique | Let's Play Elumen Series | Goldwell Education Plus - YouTube