List Of Wella 7A Permanent Hair Color References. Liquid color provides a vibrant palette without boundaries with 68 easily intermixable shades to express your creativity. Whether you're looking to create pure, balanced results, cover grey hair, or simply want to enhance natural color and boost shine, wella professionals has the best permanent hair dye products for your desired look.
Use 10 volume developer for same depth or darker. Use up to two applications per tube. However, apply the color two weeks after the chemical service.
