The Product: Neutrogena Hydro Boost Water Gel ($20)
The Rating: 4.4 stars
Why People Love It: As one of the brand's most popular products, the hydrating moisturizer is great for problem skin. This reviewer says it's her holy grail. "This is the best gel formula I've used. I have dry and sensitive skin. One application of this, completely rid me of my dry patches and most of my redness. It smoothed out my dry patches that have been on my face for months, and it has a great cooling effect. I finally found my holy grail water gel and plan on trying more of the Hydro boost line. Highly suggest for people with dry skin."