Apparently, Sephora Can't Keep This $7 Hydrating Serum in Stock

Updated 07/13/19
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Sephora could be considered a mecca for beauty lovers and makeup artists alike, so when a product consistently sells out, you know it's good. As Refinery29 reports, the makeup and skincare retailer can't seem to keep this $7 hyaluronic acid and B5 serum from The Ordinary in stock.

With no item in the line costing more than $20, their prices are extremely reasonable. "The brand is so lusted after that Sephora sold out of 16 of its 17 available products," writes the publication. "This serum has since been restocked at Sephora, but we bet the supply won't last for long..."

So what makes The Ordinary's serum such a great find? Aside from the very desirable price (most similar products cost at least double the price), Hyaluronic acid is considered the "miracle-worker ingredient" in hydrating serums because it both attracts and retains moisture. For the record, HA can attract up to 1,000 times its weight in water.

Even when it is not winter, most of us could use some help in the dry skin department, particularly if you are over a certain age. "As we get older, our bodies store less [hyaluronic acid], so skin starts to lose its ability to retain water, resulting in a complexion that can look and feel dry and less radiant," R29 continues. "That's where adding HA comes in: When applied topically, it immediately hydrates, plumps, and reduces the appearance of fine lines."

If you're curious about the science behind it all, Hyaluronic Acid is naturally found in the skin, though hydration is not its natural function. Many other products claim hydration benefits by touting the use of Hyaluronic Acid, but HA in its natural state is too large of a molecule for skin penetration. So it instead becomes a temporary fix as it sits on the surface and draws moisture out of the skin, making the surface feel soft. After the product is rinsed off, you will assume you need more HA to stay hydrated.

Contrary to this, The Ordinary's formula uses three forms of HA with varying molecular weights (combining low-, medium-, and high-) to achieve visible plumping and hydration on all levels without drawing water out of the skin and staying on the surface. The molecular size of HA ultimately determines the depth of hydration delivered in your skin. Additionally, it contains a next-generation HA crosspolymer at a 2% combined concentration for multi-depth hydration. Add vitamin B5 to enhance surface hydration, and you've got a unique winning formula.

The Ordinary's version is truly for everyone, as it works well on normal, oily, dry, combination, and sensitive skin. It is also vegan, cruelty-free, and made without alcohol, silicone, nuts, and gluten. Applying just a few drops to the face morning and night before cream will work wonders! Shop the cult favorite before it sells out (again) below.

Hyaluronic Acid 2% + B5 1 oz/ 30 mL
The Ordinary Hyaluronic Acid 2% + B5 $7
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