People Say This Transformative Retinol Serum Makes Their Skin Look "Almost Airbrushed" After 2 Weeks

Transformative Retinol Serum
Transformative Retinol Serum

InStyle/Face Theory

If "stick to a regular skincare routine" is one of your New Year's resolutions, you may want to incorporate retinol into your new endeavor. Not only does the potent ingredient bring age-reversing results just shy of sorcery, but it's capable of transforming large pores, acne, and dullness. It's practically the Beyoncé of skincare ingredients, and FaceTheory, a cruelty-free beauty brand, has an incredibly effective retinol at a shockingly affordable price.

One of the brand's most popular items, the Regenacalm Serum S1 Pro, features a blend of vitamin C, vitamin E, aloe vera, ferulic acid, hyaluronic acid, licorice extract, and encapsulated retinol to target fine lines and wrinkles, hyperpigmentation, acne scarring, and discoloration. To ensure little to no irritation, the retinol is delivered alongside liposomes, an efficient delivery system of phosphates and lipids, which together travel deep into the skin without ensuing negative side effects.

Facetheory Regenacalm Serum S1 Pro
Facetheory Regenacalm Serum S1 Pro

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Shop now: $19 with code INSTYLE20 (Originally $30); facetheory.com

According to hundreds of glowing testimonials, the skin-tightening formula is one for the ages. One person called it "liquid gold" for achieving a youthful complexion, citing more uniform color, even texture, and plumper skin with use. The gasp-worthy receipts don't end there; an 80-year-old user credits the serum for shaving 15 years off their skin, writing "nobody believes that I'm over 65, when they hear my age," while one 57-year-old reviewer even had their mother-in-law ask if they had Botox.

Even those with unbelievably sensitive skin have deemed the serum a winner. "It's unbelievable how it's transforming my skin," wrote one shopper. "I have very oily, acne prone skin, and was a bit hesitant before trying this serum because everything breaks me out so easily. So far, no single breakout. My skin has adapted to it so quickly, and it's so smooth and almost airbrushed now after using this serum for only two weeks. I have an acne scar on my cheek, and omg, it's already decreased in size so much and faded. I am going to keep using it forever."

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A separate reviewer who had little luck with retinol serums in the past was surprised to note this one showed results within just days of use. "Visibly firmer skin around the eyes and less wrinkle visibility," they wrote. "Ended up buying two more bottles before I even finished the first one."

A third user brand new to retinol was also equally pleased with their experience. "I believe this is having the desired effect on my skin to combat years of sun damage," they wrote. "Using it on the back of my hands too with pleasing results."

There's a long list of reasons to snag the FaceTheory Regenacalm Serum S1 Pro, but here's one more: For a limited time, InStyle readers can shop the already discounted product for an additional 20 percent off with code INSTYLE20. Once you've added it to your cart, peruse the rest of the brand's winter sale for up to 50 percent off.

Ocuwake Eye Cream EYE1

Facetheory Ocuwake Eye Cream EYE1 with Chamomile, Vitamin C and Liquorice
Facetheory Ocuwake Eye Cream EYE1 with Chamomile, Vitamin C and Liquorice

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Shop now: $16 (Originally $21); facetheory.com

Regena C30 Pro Vitamin C Serum

Facetheory Regena C30 Pro Vitamin C Serum
Facetheory Regena C30 Pro Vitamin C Serum

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Shop now: $21 (Originally $26); facetheory.com

Chirosmooth Hand Cream H1

Facetheory Chirosmooth Hand Cream H1 with Rice Ferment Peptides, Rice Bran Oil and Urea
Facetheory Chirosmooth Hand Cream H1 with Rice Ferment Peptides, Rice Bran Oil and Urea

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Shop now: $7 (Originally $14); facetheory.com

Amil-C Whip M5 Moisturizer

Facetheory Amil-C Whip M5 with 5% Niacinamide and Dual Action Vitamin C
Facetheory Amil-C Whip M5 with 5% Niacinamide and Dual Action Vitamin C

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Shop now: $18 (Originally $22); facetheory.com