Blonde Brightener L1++ (143 ml), hair dye for oil activated hair. Brightening with anti-damage system, for up to 9 levels without yellow tone : Amazon.co.uk: Beauty
Schwarzkopf Blonde L1++ Extreme Brightener Plus, Level 3, Pack of 3 (3 x 143 ml) : Amazon.co.uk: Beauty
2 x Schwarzkopf Nordic Blonde L1++ Ultimate Lightener 9 Levels of Permanent Lift | eBay
Blonde Brightener L1+ (143ml) Hair Dye for Oil Activated Hair Brightening with Anti-Damage System, Up to 8 Levels without Yellow Tint : Amazon.co.uk: Beauty