Goldwell booster with Inter-Amino-Bond-Builder technology and MicroPROtec complex. It instantly transfers the strengthening soy protein deep into the hair and supports the network of binding proteins. Reduces damage by up to 99%. Makes hair up to 10 times more resistant. Provides long-lasting strength and stability to every single hair strand.  

Usage:
1. Scoop a hazelnut-sized amount, work through towel-dried hair and leave on.
2. For maximum effect, leave on overnight.

75 ml