Experts Suggest This Serum For Dry Skin And Reviewers Say It's ‘Worth Every Penny’

If you have dry skin, you might have heard of hyaluronic acid as a solution — but with so many skin care ingredients becoming buzzwords, from retinol to vitamin C, we don’t blame you if you don’t know offhand what hyaluronic acid even does, or how it works. We’re here to break that down and to let you know about one hyaluronic acid serum in particular that has wowed reviewers.

$40 at Amazon$40 at Dermstore$40 at Ulta

In previous HuffPost reporting about hyaluronic acid, Joshua Zeichner, director of cosmetic and clinical research in dermatology at Mount Sinai Hospital in New York, explained, “Hyaluronic acid is a natural sugar found in our skin. It is what provides bounce and plumpness to the skin. Think of it like the stuffing in your mattress. As a humectant, hyaluronic acid is essentially a sponge that binds to 1,000 times its weight in water.” While hyaluronic acid can’t deliver 100% of the hydration you need, it can provide a boost.

This boost is why La Roche-Posay’s Hyalu B5 hyaluronic acid serum has become popular, with 4.6 stars across more than 30,000 ratings on Amazon. Allergy-tested and designed to be safe for all skin types, the serum is formulated with hyaluronic acid as well as anti-inflammatory madecassoside and soothing vitamin B5. Together, the ingredients are meant to deliver a hydrating, plumping, anti-aging effect, and plenty of reviewers back up this claim.

“I use it every night, and it leaves my skin feeling hydrated, plump, and glowing,” one reviewer gushed. “The hyaluronic acid in this formula is amazing, it absorbs beautifully and gives my skin that dewy, healthy look I adore.” Another wrote that the serum is “worth every penny” of its $40 price tag and has become their “non-negotiable morning serum.” “My friends in France have been raving about this for years, and I finally understand why – it’s a staple in French skincare routines for good reason,” they added.

It’s especially beloved among shoppers with dry skin. “I started noticing my skin becoming very dry during perimenopause. I switched my skin regimen and this product was the key to my success,” one reviewer shared, calling it a “game changer.” “I get so many compliments on my skin now.” Another called it a “lifesaver for my dry skin” and wrote, ”[I] have noticed a huge difference in the elasticity and smoothness of my face.”

The serum is noncomedogenic and oil-free. It does contain fragrance, but many reviewers called the scent “subtle” and “lovely,” while others claimed they didn’t smell a scent at all. The clear serum is meant to be used both in the morning and at night after cleansing.

If you’re looking for an easy way to boost hydration and give your dry skin some relief, this expert-backed ingredient can do the trick. Below, add the La Roche-Posay Hyalu B5 serum to your cart, or keep scrolling to see some more rave reviews from shoppers who have tried it.

$40 at Amazon$40 at Dermstore$40 at Ulta

“I’m in my 30s and recently started noticing the first signs of tired, dry skin. La Roche-Posay’s Hyalu B5 Serum has truly made a difference — it deeply hydrates, improves elasticity, and leaves my skin looking fresher and more radiant. It’s gentle, non-irritating, and absorbs quickly. Perfect for anyone looking for an effective anti-aging serum without the fuss. Highly recommended!” — Irina moreta gonzalez

“I never give reviews but I absolutely needed to for this product!!!
I have been struggling for a while with a dry face. Whether it’s been this pregnancy, the time of year it is, or a mix of both. My face had gotten so bad I couldn’t put make-up on without it looking like I had dry flakes all over, just stuck on my face. I was peeling ever few days. All I had to do was run my fingers across my face and there was dry skin. I’ve tried other products, even a face washer with a brush. Nothing was working.
I ordered this product off a suggestion from other moms in a Facebook group. It was the best decision I’ve ever made for my face. I’ve been using this product along with the double repair face moisturizer for less than a week and have seen a huge difference already.
The first couple of days my face finished peeling, lightly I may add, all the old dead skin. Now its smooth and shiny and just looks more alive than dull and dry. I still have some dry spots but nothing like before. I was actually able to put make-up on for the first time in weeks.
Overall this product just makes me and my skin feel so much better and a little extra perk is it smells great too!” — Amazon Customer

“I was hesitant to buy this, especially for the price. Hyaluronic acid serums I’ve tried before would dry out and not leave my face feeling plump like it should. I swear this stuff is fantastic!!! I was so surprised and now it’s officially my holy grail. Sometimes I’ll even use this in place of moisturizer. It does have a fragrance but it smells good and doesn’t bother me. If you have dry skin, this is a must” — floridagirl

“This product is amazing! It absorbs quickly without leaving your face oily, and my skin just drinks it up. I have dry patches, and they’ve completely disappeared since I started using it. It’s an absolute lifesaver, especially on low-humidity days.” — Jeni

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