The Product: Drybar Mudslide Nourishing Hair Mask ($35)
The Rating: 4.4 stars
Why Customers Love It: In addition to being hydrating, this reviewer raved about how it helped tame her frizzy hair: "Most amazing mask I've ever used to date. I've always had trouble controlling the frizz and this product has worked wonders on my hair even in humidity. The texture and overall styling of my hair has been made simpler and the results are worth it."