I've never used their Macadamia Oil, but I have used Hask's argan and keratin oils (review here) and they are amazing! I'm really excited to try this, what do you think of this spoiler?
You can sign up to get November's Beauty Box 5 here! It will ship on the 21st of the month.
*Disclaimer: This post is sponsored by Beauty Box 5. No press samples or compensation were received.