Get a free mini bottle of this No. 1 best-selling 'glass skin' serum that sells every 3 minutes

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When it comes to skin care, it's no secret that one size does not fit all. So many external factors like genetics, climate and sometimes even gender can affect how your skin reacts to a product.

With this in mind, it's hard to find one product that skin care professionals and enthusiasts alike overwhelmingly rave about. And based on the feedback from some of social media's most respected estheticians, Peach & Lily's Glass Skin Refining Serum fits this bill.

From May 19-24, in celebration of the Glass Skin Serum's third birthday, Peach & Lily is giving away one free mini bottle on orders of $95 and above (a $19 value). Plus, you get free U.S. shipping on all Glass Skin orders with the code "GSFREE."

Shop: Peach & Lily Glass Skin Refining Serum, $39

Credit: Peach & Lily
Credit: Peach & Lily

Buy Now at Ulta

Buy Now on Peach & Lily

What is ‘glass skin?’

Before getting into the hype behind this product, you’re probably wondering what exactly is “glass skin.”

According to Allure, “glass skin” is a fancy term for “clear, luminous, seemingly transparent skin.”

The term originated on social media over the past few years with the rising popularity of Korean skincare.

Peach & Lily‘s No. 1 best-selling cult-favorite serum is a powerhouse product that tackles and helps treat a bunch of concerns. Some of them include acne, dullness, fine lines and wrinkles, firmness, oiliness, redness, pores, sensitivity, uneven skin texture and, of course, dryness.

This serum consists of a “revolutionary cocktail” of well-known and loved ingredients like hyaluronic acid and niacinamide. Popular estheticians Lily Njoroge and Sean Garrette also rave about these ingredients to their thousands of followers.

What the skincare professionals think of this product:

In 2019, Njoroge, a New York-based esthetician, talked about incorporating the Peach & Lily Glass Skin Refining Serum into her skincare routine.

She even said she uses it on her clients to repair their skin’s moisture barrier. Njoroge said the serum’s niacinamide component helped restore her client’s skin.

“Her barrier is so healthy [now],” she wrote in a tweet.

New York-based licensed esthetician Sean Garrette, who’s now the global ambassador for Fenty Skin, also sang the serum’s praises. He said its high concentrations of both hyaluronic acid and niacinamide make it a winner.

Thoughts from a skincare lover and long-time user:

I’ve also regularly used this serum myself during my evening skincare routine for over a year. Today, I can attest to everything both Njoroge and Garrette have said.

Though they are indeed the pros, I can confidently say, from a skincare lover’s point of view, that this stuff is the real deal. It kept my skin supple, balanced and hydrated during the winter months.

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