Brand from Germany: Schwarzkopf. Agent 1 25g x 2 Agent 2 75ml x 2 After Bleach Treatment 15g x 2. The long-awaited new bleach with bonding technology, which is a hot topic at salons! Focus on damage, which is the biggest problem with bleach, and pursue damage-free. Leads to bleached hair that is difficult to cut. By after-bleach treatment. How to use: Add 1 agent (powder) to 2 agents, firmly seal the flat cap and shake immediately for about 30 seconds (80 times) and mix thoroughly. Tap the bottom of the 2 container on a flat surface such as a desk, and mix the 1 agent (powder) adhered to the flat cap and shake it strongly for 30 seconds (80 times) and mix together. Immediately after mixing, replace it with a cold-type nozzle, apply the mixture to the whole hair with a subtle and dry hair, and let it sit for 15-30 minutes. Rinse well and shampoo, then finish with after-bleach treatment. Please be careful not to let the mixture or rinse water enter your eyes.