How We Tested

Best of the Year arranged for Dewsy to ship Deep Down Serum directly to 12 evaluators. Reviewers used the serum as directed and assessed its texture, application, absorption, skin feel, cosmetic appeal, compatibility with their routines and overall performance. They also reported what worked, what they would change and any problems encountered.

The expert panel included dermatologists and cosmetic formulation and personal-care experts. Judges assessed the ingredients, formulation, intended use, marketing claims and product performance. Packaging and sustainability specialists also reviewed the dispensing experience, ergonomics, material choices and relevant environmental considerations.

Best of the Year analysts and editors contributed hands-on observations and reviewing the entry, submitted materials, expert assessments and consumer feedback in reaching the final decision.

What Experts and Consumer Testers Said

Reviewers immediately understood Dewsy’s premise: Give the skin below the neck the kind of thoughtful treatment usually reserved for the face. Judges liked the pairing of hyaluronic acid and ceramides, but what moved the serum from good idea to winner was how well it performed in daily use. One summed it up this way: “From the concept to ingredients to performance, it delivers on a real need: Treat your body’s skin like you do your face. The lightweight, silky feel and the glow were incredible, especially for the price.”

“From the concept to ingredients to performance, it delivers on a real need: Treat your body’s skin like you do your face. The lightweight, silky feel and the glow were incredible, especially for the price.” -Best of the Year Judge & Beauty Category Expert

The texture earned some of the strongest praise. Reviewers described a lightweight, milky serum that spread easily over larger areas, absorbed quickly and left skin feeling smooth and supple without the heaviness of a conventional body cream. It also layered well: Even after several coats, one judge reported no pilling. Another said, “I enjoyed using this as a lightweight but very hydrating body serum. The scent was subtle and not overpowering.”

“I enjoyed using this as a lightweight but very hydrating body serum. The scent was subtle and not overpowering.” -Best of the Year Judge & Cosmetic Formulation Expert

The pump also made the serum easy to keep in regular rotation, dispensing a controlled amount without the mess of dipping into a jar. A dermatologist particularly appreciated the combination of hydration, accessible pricing and practical packaging: “Great hydration without leaving my skin greasy, and I love that it’s a pump. A great price for what you get.”

“Great hydration without leaving my skin greasy, and I love that it’s a pump. A great price for what you get.” -Best of the Year Judge & Dermatologist

Consumer testers with dry skin were especially enthusiastic. One who used it for more than a month in a very dry climate said it absorbed without leaving a film and made such a visible difference that friends and family noticed. “It soaked right into my skin with no film and left it smooth and hydrated,” she said. “Living somewhere the air dries you out, this has been the best.”

“It soaked right into my skin with no film and left it smooth and hydrated. Living somewhere the air dries you out, this has been the best.” -Best of the Year Consumer Tester

Not every detail landed equally for everyone. One reviewer noticed slight tackiness when applying the serum over a large area, although others found that any initial tackiness disappeared as it absorbed. Most considered the crisp marine fragrance light and pleasant, but one tester found it strong and plasticky; fortunately, an unscented version is available. A few reviewers also thought the smaller bottle could go quickly with head-to-toe daily use, making the 8-ounce size the more practical choice for regular users.

Best of the Year Bottom Line

If you've ever wished your body lotion did as much as your face routine, Dewsy Down Deep is an easy one to point you to. It delivers real, lasting hydration in a serum that soaks in fast and doesn't feel greasy, using ingredients that hydrate skin and help it hold moisture, and it's priced so you can actually use it all over, every day. Two honest things to know: the brand's formal lab study wasn't published when we evaluated it, so our recommendation rests on how well it performed in real use, and its key ingredients, while excellent, are proven staples rather than a new discovery. Take it for what it is, a smart, genuinely nice, well-priced way to give your whole body the kind of care you'd give your face, and it earns its spot.

Why Trust Us?

The Best of the Year Media team comprises award-winning editors, analysts, subject-matter experts and consumer specialists who have spent their careers helping people make smarter, more confident decisions. With deep expertise across consumer lifestyle categories, our team brings decades of experience evaluating products, brands and services. Our recommendations are grounded in rigorous evaluation combined with expert judgment and consumer insights, giving readers trusted guidance on products, services, and experiences worth bringing into their lives.

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