KAO Liese Prettia Bubble Hair Color Dying Kit #Natural Ash
http://www.kao.co.jp/prettia (Japanese) http://web.kao.com/my/liese/lineup/haircolor/products.html (English)
P.S. Like all other hair coloring kits, to avoid allergy and/or damage to hairs, it is highly recommended to do 'skin test' 48 hours before hair colorings. Use at your own risk.