Permanent Liquid Hair Colour with Liquifuse Technology & Developer Vol. 20
Directions
for use: Mix 1 part Wella Color Charm liquid colour with 2 parts Wella Charm developer.
Apply to the hair using either an applicator bottle or bowl and brush. Develop
for 30 minutes and up to 45 minutes if additional depth or gray coverage is
needed.
20 Volume Creme Developer 32 oz. 20 Volume Creme Developer features specially stabilized for use with all permanent hair colours. Great for covering white/grey hair or lightening natural hair colour.