Contact
Talk to a human.
We answer every message within one business day, Monday to Friday.
Before you write
A lot of questions are already answered on our FAQs page — how long a bottle lasts, when to expect results, and whether it's safe on colour-treated hair.
About an existing order
Include your order number and the email address you used at checkout. That's all we need to look it up. For tracking questions, start with the Track your order page.
Returns
Your 100-day guarantee is explained in full on the Returns page. To start one, just message us with your order number.