Bond Building Bleach is for anyone who wants to give their hair some TLC while it lightens.The salon standard bleach is formulated with Arginine and Glucose to bolster bonds during the lightening process, reducing damage and leaving hair up to 30% stronger. Paired with 20 VOL | 6% developing lotion it lightens hair up to 7 levels.This kit also includes Reincarnation Mask, a deep conditioning treatment that is formulated to nourish and hydrate your hair, as well as our Silver Shampoo - a strong, ashy-purple cleanse to help keep cool blondes bright and free of brassy yellows.For all hair types Manufactured in EuropeVegan and Peta ApprovedBleach London is a proudly independent, female founded and professionally led hair colour brand.Based on lab tests.Who's it forThis product is only for use on healthy, undamaged virgin hair.The final shade can be influenced by many factors including: current colour, condition, porosity, length and thickness of hair as well as any previous treatments. We always recommend a strand test to check that you are happy with the colour and condition of your hair.