We generally recommend 20 Volume developer with Ugly Duckling toners, mixed in a ratio of 1 part toner to 2 parts developer. This will allow you to open the hair cuticle more, kick out more of the unwanted yellow, and achieve color vibrancy and long lasting ashy results.
What is the mixing ratio for Wella T18?
Mix 1 part Wella Color Charm toning color with 2 parts 20 volume Wella Color Charm developer. Apply to towel dried hair then, develop for up to 30 minutes.
What is the ratio for developer and toner?
Mix your toner with a developer in a 1:2 ratio. Use an applicator brush to work the mixture into your hair, focusing on the areas with unwanted undertones. Leave the toner in for up to 45 minutes, then rinse, wash with a moisturizing shampoo and deep condition.
How long do you leave toner in with 20 developer?
Let it process for 20 minutes. This is a normal part of the toning process, and your hair definitely won't be purple when you wash it out. If you want to minimize the staining on your shirt, you can clip your hair up with a plastic clip while you wait for it to process.
Can I use a 20 developer with toner?
We generally recommend 20 Volume developer with Ugly Duckling toners, mixed in a ratio of 1 part toner to 2 parts developer. This will allow you to open the hair cuticle more, kick out more of the unwanted yellow, and achieve color vibrancy and long lasting ashy results.