Bond and lighten in one simple step! Blond Studio 9 Bonder Inside is a high performance bonder inside lightening powder, that lets you achieve up to 9 levels of lift, with no bonding additive needed. With our highest concentration of Citric Acid and Glycine complex bonds are protected whilst lightening and the creamy texture provides high adherence to the hair with low odour. Blond Studio 9 Bonder Inside is suitable for all lightening services including open air techniques such as balayage. With no extra time needed for mixing or developing of a bonding additive, you can provide a quicker lightening service. For optimal results, always tone Blond Studio services with Dia Light by L\'Oréal Professionnel. Use exclusively with the recommended L\'Oréal Professionnel Oil-Developer, maximum 30 volumes (9%).