Anai Rui GHK-Cu Copper Peptides Serum Versus Peach & Lily Copper Peptide Pro Firming Serum

Anai Rui GHK-Cu Copper Peptides Serum Versus Peach & Lily Copper Peptide Pro Firming Serum

This anti-aging serum is formulated around Copper Tripeptide-1 to soften the look of wrinkles and strengthen the skin barrier.

This anti-aging serum is formulated around Copper Tripeptide-1 and Acetyl Hexapeptide-8 to soften the look of wrinkles.

What's inside

Key Ingredients

Benefits

Concerns

No concerns

Ingredients Side-by-side

Water

Xanthan Gum

Copper Tripeptide-1

Butylene Glycol

Sodium Hyaluronate

Hydrolyzed Sodium Hyaluronate

Arginine

Arginine/Lysine Polypeptide

Hydrolyzed Hibiscus Esculentus Extract

Hydroxyphenyl Propamidobenzoic Acid

Hyaluronic Acid

Gardenia Florida Fruit Extract

Lavandula Angustifolia Flower Extract

1,2-Hexanediol

Pentylene Glycol

Water, Xanthan Gum, Copper Tripeptide-1, Butylene Glycol, Sodium Hyaluronate, Hydrolyzed Sodium Hyaluronate, Arginine, Arginine/Lysine Polypeptide, Hydrolyzed Hibiscus Esculentus Extract, Hydroxyphenyl Propamidobenzoic Acid, Hyaluronic Acid, Gardenia Florida Fruit Extract, Lavandula Angustifolia Flower Extract, 1,2-Hexanediol, Pentylene Glycol

Dipropylene Glycol

Glycerin

Betaine

Acetyl Hexapeptide-8

Palmitoyl Tripeptide-1

Tetrapeptide-21

Tetrapeptide-30

Heptasodium Hexacarboxymethyl Dipeptide-12

Acetyl Tetrapeptide-5

Palmitoyl Tripeptide-38

Palmitoyl Pentapeptide-4

Dipeptide-2

Tripeptide-1

Hexapeptide-9

Nonapeptide-1

Collagen Extract

Serine

Methionine

Cysteine

Acmella Oleracea Extract

Alpha-Glucan Oligosaccharide

Sodium PCA

Ulmus Davidiana Root Extract

Cichorium Intybus Root Extract

Helianthus Tuberosus Root Extract

Tremella Fuciformis Extract

Fomes Officinalis Extract

Lentinus Edodes Extract

Pyrus Malus Fruit Extract

Lens Esculenta Fruit Extract

Citrullus Lanatus Fruit Extract

Sodium Acetylated Hyaluronate

Hydrolyzed Hyaluronic Acid

Sodium Hyaluronate Crosspolymer

Potassium Hyaluronate

Squalane

Ficus Carica Fruit Extract

Cynanchum Atratum Extract

Hydroxypropyltrimonium Hyaluronate

Ocimum Sanctum Leaf Extract

Melia Azadirachta Leaf Extract

Curcuma Longa Root Extract

Corallina Officinalis Extract

Solanum Melongena Fruit Extract

Coccinia Indica Fruit Extract

Gellan Gum

Adenosine

Aloe Barbadensis Flower Extract

Melia Azadirachta Flower Extract

Polyglyceryl-10 Eicosanedioate/Tetradecanedioate

Polyquaternium-51

Sodium Polyacryloyldimethyl Taurate

Hydroxypropyl Cyclodextrin

Ethylhexylglycerin

Hydroxyethylcellulose

Caprylyl Glycol

Water, Dipropylene Glycol, Glycerin, 1,2-Hexanediol, Betaine, Copper Tripeptide-1, Acetyl Hexapeptide-8, Palmitoyl Tripeptide-1, Tetrapeptide-21, Tetrapeptide-30, Heptasodium Hexacarboxymethyl Dipeptide-12, Acetyl Tetrapeptide-5, Palmitoyl Tripeptide-38, Palmitoyl Pentapeptide-4, Dipeptide-2, Tripeptide-1, Hexapeptide-9, Nonapeptide-1, Collagen Extract, Serine, Methionine, Cysteine, Arginine, Acmella Oleracea Extract, Alpha-Glucan Oligosaccharide, Sodium PCA, Ulmus Davidiana Root Extract, Cichorium Intybus Root Extract, Helianthus Tuberosus Root Extract, Tremella Fuciformis Extract, Fomes Officinalis Extract, Lentinus Edodes Extract, Pyrus Malus Fruit Extract, Lens Esculenta Fruit Extract, Citrullus Lanatus Fruit Extract, Sodium Acetylated Hyaluronate, Hydrolyzed Hyaluronic Acid, Hyaluronic Acid, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Potassium Hyaluronate, Squalane, Ficus Carica Fruit Extract, Cynanchum Atratum Extract, Hydroxypropyltrimonium Hyaluronate, Ocimum Sanctum Leaf Extract, Melia Azadirachta Leaf Extract, Curcuma Longa Root Extract, Corallina Officinalis Extract, Solanum Melongena Fruit Extract, Coccinia Indica Fruit Extract, Gellan Gum, Butylene Glycol, Adenosine, Aloe Barbadensis Flower Extract, Melia Azadirachta Flower Extract, Polyglyceryl-10 Eicosanedioate/Tetradecanedioate, Polyquaternium-51, Sodium Polyacryloyldimethyl Taurate, Hydroxypropyl Cyclodextrin, Ethylhexylglycerin, Hydroxyethylcellulose, Caprylyl Glycol

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Alternatives

Ingredients Explained

These ingredients are found in both products.

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

1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse.

It is a:

Humectant, drawing moisture into the skin

Emollient, helping to soften skin

Solvent, dispersing and stabilizing formulas

Preservative booster, enhancing the antimicrobial activity of other preservatives

Arginine is a semi-essential amino acid. This just means our bodies can product a bit on its own, but sometimes needs a little boost from food sources.

It is a part of your skin's natural moisturizing factor (NMF), or the water-loving molecules in your outermost layer of skin (stratum corneum) that keeps everything hydrated and happy.

Here's an interesting thing about Arginine: your skin converts it into urea through the Krebs-Henseleit urea cycle. Urea is one of the most effective humectants your skin naturally produces.

A clinical study showed applying 2.5% arginine hydrochloride to atopic dermatitis skin showed significant urea levels in the stratum corneum and improved moisture in just four weeks.

Arginine is also a precursor to nitric oxide; nitric oxide improves microcirculation and supports wound healing and collagen synthesis.

One study found that an amino acid complex containing Arginine reduced skin irritation, improved hydration, and accelerated skin repair in clinical / in-vivo studies.

Arginine itself is an amino acid and not a fatty acid, oil, or ester. On its own, it's not a direct food source for Malassezia, or the yeast that causes fungal acne.

Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:

Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients.

Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness.

Copper Tripeptide-1 (GHK-Cu) is a skin repairing ingredient known for its ability to boost collagen, improve firmness, and support skin regeneration.

It is a complex made up of a naturally occurring peptide (glycine-histidine-lysine) and copper, an essential trace element.

While studying wound healing, researchers noticed GHK-Cu stimulated hair follicle enlargement and growth by keeping hair in its active growth phase longer. This has made it a promising ingredient for hair regrowth treatments.

Some people have reported increased facial hair. While GHK-Cu can make your hair follicles bigger, it usually doesn’t turn soft, barely-visible facial hairs into thick, dark ones.

Anecdotal reports suggest that overusing copper peptides might lead to premature aging due to excess free copper or enzyme imbalances. This claim isn’t backed by large-scale studies.

Unfortunately, there are limited human studies for this ingredient. While early results are promising, many studies are either small, in-vitro, or not rigorously controlled.

For example, there is a 1998 study that explored the effects of copper tripeptide, vitamin C, tretinoin, and melatonin on skin repair and collagen synthesis.

After one month, increased procollagen production was seen in 7 out of 10 participants using copper tripeptide (more than those using vitamin C, melatonin, or tretinoin.

While the study was exploratory, it offers early evidence that copper tripeptide may support collagen production. Larger, well-designed trials are still needed to confirm its potential and understand individual responses.

Read more about other common types of peptides here:

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:

Sodium Hyaluronate is the salt form of hyaluronic acid. It is a long sugar chain that is naturally found in your skin, joints, and connective tissue that maintains hydration and elasticity.

In skincare, it works as a humectant. It pulls water from the environment and deeper layers of skin and binds it to the surface.

Interestingly, the size of the molecule affects its behavior:

Many serums use a blend of both weights so you can get surface hydration plus longer-lasting and deeper effects.

You'll typically see concentrations between 0.1-2% for this ingredient.

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.

You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!

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