Brunette to blonde! How to remove old hair dye from your ends!

PRODUCT REVIEW! WELLA COLOR RENEW!! Below are ALL the details! Straight from @wellahairusa
A ZERO DAMAGE COLOUR REDUCER TO ADJUST, CHANGE AND CORRECT UNDESIRED PERMANENT HAIR COLOUR RESULTS.
It´s a gentle alternative to persulfate products to reduce undesired oxidative colour while respecting the natural hair melanin without lightening the natural hair colour. - Reduces undesired colour results.
- Gently cleanses excessive oxidative colour in depth and tone.
- Respects the natural hair structure.
- Does not lighten the natural colour.
- Optimises and prepares the hair for new colour.
- Easy and reliable application.
- Peroxide free, Persulfate free, Parfum free.
MIXING RECOMMENDATION
Use Color Renew Crystal Powder in combination with
Color Renew Activator Liquid for optimal results.
RATIO
1:10 - one 9g sachet of Color Renew Crystal Powder with 90 ml
of Activator Liquid or water in a bowl/applicator bottle.
APPLICATION
Apply from roots to mid-lenghts and ends (colour build-up). Start with the darker areas first.
Develop from 5- 45 mins depending on the desired colour reduction service.
When re-coloring the hair rinse with water only. Dry thoroughly prior to colour application.
Only when a mild cleansing of blondes/highlights/colour is required without re-toning or re-colouring. Rinse, shampoo and condition as normal.
Add heat, use a HairSpa or Climazon where indicated.