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Here’s the skinny: Peptides is an umbrella term for tiny chains of amino acids.

Collage of peptide serum bottles and selfies of people smiling while holding small bottles

Source images:Allureeditors and courtesy of brands; Collage: Laneen Wells

On top of its line-reducing abilities, what makes this particular serum special is its glass skin effect.

The results over time are glowy, glass-reflective skin.

That’s where this stuff comes in handy," saysAllurecontributor Deanna Pai.

SkinCeuticals P-Tiox Serum black serum bottle on light gray background

Deanna Pai applying SkinCeuticals P-Tiox serum to her face

You might be wondering, validly so: What are growth factors?

The innovative growth factors are paired with a peptide duo to boost elasticity and plumpness even more.

You thought we were done?

A selfie of Allure contributor Deanna Pai after applying SkinCeuticals PTiox serum to her face

Deanna Pai applying SkinCeuticals P-Tiox serum to her face

but my skin did seem/feel considerably plumper afterand in the morning.

Of course, no skin-care product is capable of straight-up magic but when there are10peptides involved, we knowsomething’sworking.

Bouncy skin, check.

SkinMedica TNS Advanced+ Serum in branded component on a light gray background

“It’s packed with a 30% peptide complex and hyaluronic acid to instantly plump my skin.

No joke, after using this the bounce my skin has is comparable to a trampoline.

Not to mention, it layers like a dream under makeupno pilling here.”

A selfie of Allure commerce editor Sarah Han after applying SkinMedica TNS Advanced Serum to her face

Sarah Han applying SkinMedica TNS Advanced+ Serum to her face

Of course, the peptides are the main draw for this story.

Argireline and matrixyl signal to your cells to produce collagen, smooth the appearance of fine lines and wrinkles.

As our tester attests below, this Dr. Few formula is nonsense-free (a.k.a.

Medik8 Liquid Peptides in branded component on a light gray background

no filler ingredients) and delivers results without unnecessaryretinol-induced irritation.

This beauty from Dr. Few isit,“shopping directorShanna Shipinvouches.

While I await its wrinkle-smoothing benefits, the cream has already helped me avoid acne breakouts.”

A selfie of Allure market shopping editor Ang Trakoshis after applying Medik8 Liquid Peptides to her face

Ang Trakoshis applying Medik8 Liquid Peptides to her face

Neocutis also offers an even more moisturizing formula calledBio Serum Firm Richetargeted towards those with particularly dry skin.

Derms andAllurereaders adore this Charlotte Tilbury.

TL;DR This silky formula packs a loaded lineup of science-backed ingredients.

Dr. Few Clean Retinol black pump bottle on light gray background

And that brings us to our “best for large pores” superlatives.

So, while this is great for tightening pores, it’s a powerful all-rounder.

They’re supplemented by additional moisturizing ingredients such as glycerin and squalane to keep skin bouncy and soft.

A selfie of Allure shopping director Shanna Shipin holding a black bottle of Dr. Few Clean Retinol

“I’m currently on bottle number four of this serum,” she says.

This serum also contains multiple weights of hyaluronic acid to leave skin plump on the spot.

Massage a pea-size amount in an upward motion for a brief self-care moment every morning and night.

Neocutis Bio Cream Firm mint bottle on light gray background

They’re designed to boost and replenish amino acids, which are the building blocks for collagen production.

How do peptides benefit the skin?

That said, not all peptides are created equal.

Alastin Restorative Skin Complex bottle of moisturizer with silver cap on light gray background

For example, copper peptides activate wound healing, which, in turn, stimulates collagen production.

It’s also not uncommon to see multiple peptides strung together to maximize their collagen-boosting benefits.

Peptides seldom cause skin sensitivity or irritation, but still be discerning of your serums formulation.

Revision Skincare Revox 7 black pump bottle on light gray background

We review ingredients, scrutinize brand claims, and, when necessary, examine peer-reviewed scientific and medical studies.

To learn more information on our reporting and testing processes, read our completereviews process and methodology page.

Our staff and testers

A beauty product is a personal purchase.

Charlotte Tilbury Charlotte’s Magic Serum Crystal Elixir in branded component on a light gray background

Can we honestly deem a high-end diffuser worthy of your hard-earned cash if its never been tested on curls?

Peter Thomas Roth Peptide Skinjection Amplified Wrinkle-Fix Serum white and teal serum bottle on light gray background

Eighth Day Regenerative Serum black serum bottle on light gray background

Drunk Elephant Protini Powerpeptide Resurfacing Serum white rectangle bottle with turquoise cap on light gray background

The Ordinary Multi-Peptide + Copper Peptides 1% Serum brown serum bottle on light gray background

Dermalogica Phyto Nature Lifting Eye Cream purple bottle on light gray background