Earn 50 Birchbox points for every friend that purchases a subscription.
Create a free account to check out faster, store multiple shipping addresses, view and track your orders in your account, and much more.
Join Now Received a gift? Redeem Now!
Please enter your password to continue.
I've been trying to work on how much of this to use and I can't figure out a way to use it that doesn't weigh down my hair. I like Kerastase products but this one is tricky.