Today, Jan. 10, you can grab this highly rated Hydrating Argan Oil Hair Mask by Arvazallia for only $16.99 (Reg. $40!). This hair mask is a #1 Amazon best seller and has 563 five star reviews. Wow! This mask deeply conditions, hydrates, and moisturizes hair to give it a soft and silky texture. It also works to repair and strengthen weak and over-processed hair AND protects hair from heat damage.