Serum
Serum
American United States
Korean South Korea

What's inside

What's inside

Key Ingredients

Benefits

Concerns

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Ingredients Side-by-side

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Water

Skin Conditioning

Dipropylene Glycol

Humectant

Glycerin

Humectant
0 / 0 Helps hydrate Dry Skin IconGood for Scar Healing IconGood for Barrier Repair Icon

1,2-Hexanediol

Skin Conditioning
Helps hydrate Dry Skin Icon

Betaine

Humectant
Helps hydrate Dry Skin IconHelps reduce irritation IconGood for Barrier Repair Icon

Copper Tripeptide-1

Skin Conditioning
Peptide IconHelps with Anti-Aging IconGood for Scar Healing IconGood for Barrier Repair Icon

Acetyl Hexapeptide-8

Humectant
Peptide IconHelps with Anti-Aging Icon

Palmitoyl Tripeptide-1

Skin Conditioning
Peptide IconHelps with Anti-Aging IconGood for Scar Healing IconGood for Skin Texture Icon

Tetrapeptide-21

Skin Conditioning
Peptide Icon

Tetrapeptide-30

Skin Conditioning
Peptide IconGood for Dark Spots Icon

Heptasodium Hexacarboxymethyl Dipeptide-12

Skin Conditioning
Peptide Icon

Acetyl Tetrapeptide-5

Humectant
Peptide Icon

Palmitoyl Tripeptide-38

Skin Conditioning
Peptide IconHelps with Anti-Aging IconGood for Skin Texture Icon

Palmitoyl Pentapeptide-4

Skin Conditioning
Peptide IconHelps with Anti-Aging IconGood for Skin Texture Icon

Dipeptide-2

Skin Conditioning
Peptide IconHelps with Anti-Aging Icon

Tripeptide-1

Skin Conditioning
Peptide IconHelps with Anti-Aging Icon

Hexapeptide-9

Skin Conditioning
Peptide Icon

Nonapeptide-1

Skin Conditioning
Peptide Icon

Collagen Extract

Skin Conditioning
Helps with Anti-Aging IconHelps hydrate Dry Skin Icon

Serine

Masking
Helps hydrate Dry Skin Icon

Methionine

Skin Conditioning

Cysteine

Antioxidant
Antioxidant Icon

Arginine

Masking
Helps hydrate Dry Skin IconGood for Scar Healing Icon

Acmella Oleracea Extract

Skin Protecting

Alpha-Glucan Oligosaccharide

Cleansing
Helps hydrate Dry Skin Icon

Sodium PCA

Humectant
0 / 0 Helps hydrate Dry Skin IconHelps reduce irritation IconGood for Barrier Repair Icon

Ulmus Davidiana Root Extract

Skin Conditioning
Helps hydrate Dry Skin IconHelps reduce irritation Icon

Cichorium Intybus Root Extract

Masking

Helianthus Tuberosus Root Extract

Skin Conditioning

Tremella Fuciformis Extract

Humectant
Helps hydrate Dry Skin IconHelps reduce Skin Redness IconGood for Barrier Repair Icon

Fomes Officinalis Extract

Skin Protecting

Lentinus Edodes Extract

Skin Conditioning

Pyrus Malus Fruit Extract

Skin Conditioning
Helps hydrate Dry Skin Icon

Lens Esculenta Fruit Extract

Skin Conditioning

Citrullus Lanatus Fruit Extract

Skin Conditioning
Helps reduce irritation Icon

Sodium Acetylated Hyaluronate

Humectant
Hyaluronic Acid IconHelps with Anti-Aging Icon

Hydrolyzed Hyaluronic Acid

Humectant
Hyaluronic Acid IconHelps with Anti-Aging IconHelps hydrate Dry Skin IconGood for Scar Healing Icon

Hyaluronic Acid

Humectant
Hyaluronic Acid IconHelps with Anti-Aging IconHelps hydrate Dry Skin IconGood for Scar Healing IconGood for Barrier Repair Icon

Sodium Hyaluronate

Humectant
0 / 0 Hyaluronic Acid IconHelps with Anti-Aging IconHelps hydrate Dry Skin IconHelps reduce Skin Redness IconGood for Barrier Repair Icon

Sodium Hyaluronate Crosspolymer

Humectant
Hyaluronic Acid IconHelps hydrate Dry Skin IconGood for Scar Healing Icon

Potassium Hyaluronate

Skin Conditioning

Squalane

Emollient
1 / 0 Helps with Anti-Aging IconHelps hydrate Dry Skin IconGood for Barrier Repair Icon

Ficus Carica Fruit Extract

Humectant
Helps hydrate Dry Skin Icon

Cynanchum Atratum Extract

Skin Conditioning

Hydroxypropyltrimonium Hyaluronate

Helps hydrate Dry Skin Icon

Ocimum Sanctum Leaf Extract

Skin Conditioning

Melia Azadirachta Leaf Extract

Skin Conditioning

Curcuma Longa Root Extract

Masking
Fragrance Icon

Corallina Officinalis Extract

Skin Conditioning
Helps hydrate Dry Skin IconHelps reduce Skin Redness Icon

Solanum Melongena Fruit Extract

Skin Conditioning

Coccinia Indica Fruit Extract

Skin Conditioning
Helps reduce irritation IconHelps reduce Skin Redness Icon

Gellan Gum

Butylene Glycol

Humectant
1 / 0 Helps hydrate Dry Skin IconGood for Barrier Repair Icon

Adenosine

Skin Conditioning
Helps with Anti-Aging IconHelps hydrate Dry Skin IconHelps reduce irritation Icon

Aloe Barbadensis Flower Extract

Emollient

Melia Azadirachta Flower Extract

Skin Conditioning

Polyglyceryl-10 Eicosanedioate/Tetradecanedioate

Skin Conditioning

Polyquaternium-51

Skin Conditioning
Helps hydrate Dry Skin IconGood for Barrier Repair Icon

Sodium Polyacryloyldimethyl Taurate

Emulsion Stabilising

Hydroxypropyl Cyclodextrin

Masking

Ethylhexylglycerin

Skin Conditioning

Hydroxyethylcellulose

Emulsion Stabilising

Caprylyl Glycol

Emollient
Fatty Alcohol Icon

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Absorbs Well 100% Works Well 67% Drying 33%

Ingredients Explained

These ingredients are found in both products.

Ingredients higher up in an ingredient list are typically present in a larger amount.

Emollient, Humectant, Skin Conditioning

Caprylyl Glycol is a humectant, skin conditioner, emollient, and preservative booster derived from either caprylic acid or synthetically created.

Typical use levels vary from 0.3-1% as a preservative booster and go up to 2% to condition skin.

Because it is not a free-fatty acid, this ingredient is fungal acne safe (there's nothing for Malassezia to feed on).

Learn more about Caprylyl Glycol
Skin Conditioning

Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that:

The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.

Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.

Learn more about Ethylhexylglycerin
Humectant, Moisturising, Skin Conditioning

Hyaluronic acid (HA) is a glycosaminoglycan (basically a long sugar chain) that your skin already makes on its own. In your skin, HA lives in the extracellular matrix and acts as the body's moisture reservoir.

Topically, HA is a humectant that binds water and helps skin look more plump, smooth, and hydrated.

The only catch is that HA isn't a single thing; it actually comes in a wide range of molecular weights (~50 - 2,000+ kDA) and size matters.

Some clinical evidence links low molecular weight versions to improved wrinkle depth, elasticity, anti-inflammatory effects, and barrier repair.

This is why the best HA serums blend the two sizes together so you get the best of both worlds.

The majority of cosmetic HA is produced by bacterial fermentation, typically using Streptococcus or Bacillus strains. Typical use levels in skincare sit around 0.1-2%.

A clinical study using a 0.2% low-molecular weight HA gel showed improvement in facial seborrheic dermatitis with excellent tolerance.

These are some other common types of Hyaluronic Acid:

Learn more about Hyaluronic Acid
Skin Conditioning

You might know this ingredient as Matrixyl. It is a synthetic peptide made up of five amino acids attached to a palmitic acid, a fatty acid that helps it absorb into skin more easily.

As a signal peptide, Matrixyl acts like a little messenger. Once it reaches your skin cells, it tells them to ramp up production of collagen, elastin, and other proteins that keep skin looking firm and smooth.

A 12 week clinical study found that a moisturizer containing just 3 ppm of Matrixyl led to a significant improvement in fine-lines and wrinkles. Another study showed an 18% reduction in wrinkle depth, 37% reduction in wrinkle thickness, and a 21% improvement in skin firmness after just 28 days of twice-daily use.

The coolest part is that it works at incredibly low concentrations (like 0.0003%) and it plays well with other actives.

The CIR (Cosmetic Ingredient Review) panel found it to be non-sensitizing across multiple tests and human patch tests also showed no irritation or sensitization.

Fun fact: Matrixyl was originally developed by French company Sederma and Procter & Gamble.

Read more about other common types of peptides here:

Learn more about Palmitoyl Pentapeptide-4
Skin Conditioning

Palmitoyl Tripeptide-1 (aka Pal-GHK) is a synthetic signal peptide made of three amino acids attached to palmitic acid.

That fatty acid attachment is the key: it boosts the peptide's ability to penetrate the skin barrier. This puts it closer to the dermal cells where it can actually make a difference.

Once there, it acts as a matrikine, a signaling peptide that prompts fibroblasts to produce more collagen, fibronectin, and hyaluronic acid.

In vitro studies show it can boost collagen production in skin cells even when UV-damaged skin samples were treated with it at a tiny concentration (it almost fully restored dermal collagen at 5ppm). It achieved this at 100x lower concentration than retinoic acid, which needed 500 ppm to do the same thing.

Human clinical data is promising, but modest:

A study of 23 female volunteers found a small but statistically significant increase (~4%) in skin thickness after treatment at 4 ppm.

A separate small trial of 15 women showed statistically significant reductions in wrinkle length, depth, and skin roughness after applying it twice daily for four weeks.

You'll likely see Pal-GHK paired with Palmitoyl Tetrapeptide-7 as part of the Matrixyl 3000 complex.

Fungal acne note:
Usually a palmitic acid component can feed Malassezia in unbound form, but here is is covalently bonded to the peptide. This means it is very difficult for Malassezia to access, and therefore very unlikely to cause fungal acne.

Learn more about Palmitoyl Tripeptide-1
Humectant, Skin Conditioning

Sodium PCA (the salt of PCA) is one of the most well-established humectants in skincare.

Why is it so special? Your skin already makes it naturally; it's a natural component of your skin's Natural Moisturizing Factor (NMF), or the mix of water-binding compounds inside your skin cells that keeps things soft and hydrated.

As a cosmetic ingredient, it grabs water and holds it in the upper layers of skin to smooth roughness and ease dehydration.

There's some clinical support for the NMF approach with a study showing that a cream built to mimic the skin's NMF significantly boosted hydration.

Safety-wise, this ingredient non-irritating, non-comedogenic, and non-phototoxic in testing, with minimal skin absorption.

It also works really well with other hydrators like glycerin or hyaluronic acid, and typical usage is somewhere between 0.2-4%.

Learn more about Sodium PCA

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