Goldwell USA Bond Pro Day & Night Booster

Supports the bond-protein network. For hair that is up to 10 x more resilient. Reduces breakage and split ends by up to 99%. For long-lasting strength and stability of each individual hair strand. Take a hazelnut size amount and work through towel-dried or dry mid-lengths and ends. Leave-in. For maximum effect, leave-in overnight. Recommend the product as an emergency split-end care. Take a hazelnut size amount and work through towel-dried or dry mid-lengths and ends. Leave-in. For maximum effect, leave-in overnight. Recommend the product as an emergency split-end care.