On my light blonde hair it literally took 4 minutes to accomplish this color. This is so useful because it tells you the base colors of each toner. Wella Toners Chart Wella Hair Toner Wella Color Charm Toner Hair Toner Great for toning pure double processed blondes. Wella color charm chart blonde . Apply to towel dried hair and develop for up to 30 minutes. Ammonia based toners really are permanent hair colors that have ammonia. Take control after lightening and bid brassy goodbye. Blondor permanent liquid hair toner wella professionals. Wcc_demiperm_chart.indd 1 9/12/14 5:22 pm. Meaning it is a cool toned colour. This system helps you to quickly identify each family and provides a logical position on the wella color charm swatch chart to allow for easy shade selection. In short, the perfect toner will allow you to make the right color of the blonde hair you want for your hair. So using the color wheel, you know which toner will actually help your hair! W...