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Updated on June 13, 2024

Overview

What they are

These products are both vegan, cruelty-free, and reef safe serums. They have a total of 6 ingredients in common

Cool Features

They both contain hyaluronic acid and peptides

Suited For

They're both likely to be good for anti aging, dry skin, brightening skin, sensitive skin, scar healing and better texture

Free From

They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones or sulfates

We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that needs an update? Let us know.

The Ordinary "Buffet" + Copper Peptides 1%
Q + A Peptide Serum
Q + A Peptide Serum
Serum
British Brand United Kingdom

Ingredient Info

Click any item below to learn more and see relevant ingredients

At a glance

Click on any of the items below to learn more

Benefits

Concerns

Notable Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
"Buffet" + Copper Peptides 1%
Water Skin Conditioning, Solvent

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.

Glycerin Humectant, Skin Conditioning, Skin Protecting
0 / 0 Helps hydrate Dry Skin IconHelps brighten skin Icon
2 Benefits

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

0 Com. / 0 Irr.
Lactococcus Ferment Lysate Skin Conditioning

We don't have a description for Lactococcus Ferment Lysate.

Copper Tripeptide-1 Skin Conditioning
Peptide IconHelps with Anti-Aging Icon
PeptidePeptide Icon Helps with Anti-AgingHelps with Anti-Aging Icon

Copper Tripeptide-1 is a peptide naturally found in body fluids. Peptides are building blocks for protein.

Acetyl Hexapeptide-8 Humectant, Skin Conditioning
Peptide Icon
PeptidePeptide Icon

Acetyl Hexapeptide-8 is a peptide. A common name for this peptide is Argireline.

Pentapeptide-18 Skin Conditioning
Peptide Icon
PeptidePeptide Icon

Pentapeptide-18 is a peptide.

Palmitoyl Tripeptide-1 Skin Conditioning
Peptide IconNot safe for Fungal Acne Icon
PeptidePeptide Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Palmitoyl Tripeptide-1 is a 3-amino acid peptide. Peptides are building blocks for protein.

Palmitoyl Tetrapeptide-7 Skin Conditioning
Peptide IconNot safe for Fungal Acne Icon
PeptidePeptide Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Palmitoyl Tetrapeptide-7 is a peptide. Peptides are building blocks for protein.

Palmitoyl Tripeptide-38 Skin Conditioning
Peptide IconNot safe for Fungal Acne Icon
PeptidePeptide Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Palmitoyl Tripeptide-38 isn't fungal acne safe and is a peptide.

Dipeptide Diaminobutyroyl Benzylamide Diacetate Skin Conditioning
Peptide Icon
PeptidePeptide Icon

Dipeptide Diaminobutyroyl Benzylamide Diacetate is a peptide.

Acetylarginyltryptophyl Diphenylglycine Skin Conditioning

We don't have a description for Acetylarginyltryptophyl Diphenylglycine.

Unknown Full details ->
Sodium Hyaluronate Crosspolymer Humectant, Skin Conditioning
Hyaluronic Acid Icon
Hyaluronic AcidHyaluronic Acid Icon

Sodium Hyaluronate Crosspolymer is a type of hyaluronic acid. In fact, it is modified version of hyaluronic acid.

Sodium Hyaluronate Humectant, Skin Conditioning
0 / 0 Hyaluronic Acid Icon
Hyaluronic AcidHyaluronic Acid Icon

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

0 Com. / 0 Irr.
Allantoin Skin Conditioning, Skin Protecting, Soothing
0 / 0 Helps reduce Skin Redness IconHelps reduce irritation IconGood for Scar Healing Icon
3 Benefits

Allantoin plays a role in soothing and moisturizing the skin. Because of this, it is often added to products with strong active ingredients.

0 Com. / 0 Irr.
Glycine Buffering, Skin Conditioning

Glycine is an amino acid that helps build proteins. It is already present in our skin as our bodies produce them naturally.

Alanine Masking, Skin Conditioning

Alanine is an amino acid and is already found in the human body.

Serine Masking, Skin Conditioning

Serine is an amino acid naturally found in our body. Our bodies use amino acids to create protein.

Valine Masking, Skin Conditioning

We don't have a description for Valine.

Isoleucine Skin Conditioning

We don't have a description for Isoleucine.

Proline Skin Conditioning

Proline is an amino-acid. It helps moisturize the skin and plays an important role in creating proteins.

Threonine

Threonine is an amino-acid. It helps hydrate the skin and has antioxidant benefits.

Histidine Humectant, Skin Conditioning

We don't have a description for Histidine.

Phenylalanine Masking, Skin Conditioning

Phenylalanine is an amino acid. It is a skin soothing and hydrating ingredient. Amino acids play a crucial role in wound healing and skin hydration.

Arginine Masking, Skin Conditioning
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Arginine is an amino acid that is important for human development. Your body uses is it to produce hair keratin and skin collagen.

Aspartic Acid Masking, Skin Conditioning

Aspartic Acid is an amino acid that our bodies produce naturally. It is an antioxidant.

Trehalose Humectant, Moisturising

Trehalose is a disaccharide made of two glucose molecules (glucose is sugar!). Trehalose is used to help moisturize skin. It also has antioxidant properties.

Fructose Humectant

Fructose is fruit/plant sugar. It can be found in apples, figs, and honey.

Glucose Humectant

Glucose is a simple sugar and is the most important source of energy in all organisms. In skincare, glucose is used to hydrate the skin. It also acts as a prebiotic for our natural biome.

Maltose Masking, Moisturising, Skin Conditioning

We don't have a description for Maltose.

Unknown Full details ->
Urea Buffering, Humectant, Skin Conditioning
Helps hydrate Dry Skin IconGood for Skin Texture IconMay worsen Eczema IconMay worsen Rosacea Icon
2 Benefits 2 Concerns

Urea is also called carbamide and is the diamide of carbonic acid. In cosmetics, urea is used to hydrate the skin. It also provides exfoliation in higher concentrations.

Sodium PCA Humectant, Skin Conditioning
0 / 0

Sodium PCA is the sodium salt of pyroglutamic acid and is naturally occurring on human skin.

0 Com. / 0 Irr.
PCA Humectant, Moisturising

PCA is derived from amino acids and is naturally found in our skin's barrier.

Sodium Lactate Buffering, Humectant

Sodium Lactate is the sodium salt of lactic acid, an AHA. It is a humectant and used to adjust the pH of a product.

Citric Acid Buffering, Masking
AHA IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation IconMay worsen Rosacea Icon
AHAAHA Icon 4 Benefits 2 Concerns

Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).

Disliked Full details ->
Hydroxypropyl Cyclodextrin Masking, Skin Conditioning

We don't have a description for Hydroxypropyl Cyclodextrin.

Unknown Full details ->
Sodium Chloride Masking
Can worsen Dry Skin IconBad for Acne Prone Skin IconMay worsen Rosacea Icon
3 Concerns

Chances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt.

Very Disliked Full details ->
Sodium Hydroxide Buffering

Sodium Hydroxide is also known as lye or caustic soda. It is used to adjust the pH of products; many ingredients require a specific pH to be effective.

Butylene Glycol Humectant, Masking, Skin Conditioning
1 / 0

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

1 Com. / 0 Irr.
Pentylene Glycol Skin Conditioning, Solvent

Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.

Acacia Senegal Gum Masking

We don't have a description for Acacia Senegal Gum.

Disliked Full details ->
Xanthan Gum Emulsifying, Emulsion Stabilising, Gel Forming

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

Disliked Full details ->
Carbomer Emulsion Stabilising, Gel Forming
1 / 0

Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.

1 Com. / 0 Irr.
Disliked Full details ->
Polysorbate 20 Emulsifying
0 / 0 Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Polysorbate 20 is made by combining ethoxylation of sorbitan, ethylene oxide, and lauric acid. It is a mild cleansing agent, surfactant, and emulsifier.

0 Com. / 0 Irr.
Very Disliked Full details ->
Dimethyl Isosorbide Solvent

Dimethyl Isosorbide is a solvent and helps deliver actives into your skin. It is created from sorbitol.

Sodium Benzoate Masking, Preservative
Preservative Icon
PreservativePreservative Icon

Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.

Disliked Full details ->
Caprylyl Glycol Emollient, Humectant, Skin Conditioning

Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.

Ethylhexylglycerin Skin Conditioning

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

Phenoxyethanol Preservative
Preservative Icon
PreservativePreservative Icon

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent germ and microbial growth. By itself, it has a scent that is similar to that of a rose.

Very Disliked Full details ->
Chlorphenesin Antimicrobial, Preservative
Preservative Icon
PreservativePreservative Icon

Chlorphenesin is a synthetic preservative. It helps protect a product against bacteria in order to extend shelf life. In most cases, Chlorphenesin is paired with other preservatives such as phenoxyethanol and caprylyl glycol.

Disliked Full details ->
Peptide Serum
Water Skin Conditioning, Solvent

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.

Propylene Glycol Humectant, Skin Conditioning, Solvent
0 / 0 May worsen Eczema Icon
May worsen EczemaMay worsen Eczema Icon

Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.

0 Com. / 0 Irr.
Disliked Full details ->
Betaine Humectant, Skin Conditioning
Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation Icon
3 Benefits

Betaine is a common humectant (a substance that promotes retention of moisture). It's known to be gentle on the skin and can help balance hydration.

Pentylene Glycol Skin Conditioning, Solvent

Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.

Xanthan Gum Emulsifying, Emulsion Stabilising, Gel Forming

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

Disliked Full details ->
Aloe Barbadensis Leaf Juice Powder Skin Conditioning

Aloe Barbadensis Leaf Juice Powder comes from the aloe plant.

Sodium Phytate

Sodium Phytate is the synthetic salt form of phytic acid. Phytic acid is an antioxidant and can be found in plant seeds.

Glycerin Humectant, Skin Conditioning, Skin Protecting
0 / 0 Helps hydrate Dry Skin IconHelps brighten skin Icon
2 Benefits

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

0 Com. / 0 Irr.
Lonicera Caprifolium Flower Extract Perfuming, Skin Conditioning
Fragrance Icon
FragranceFragrance Icon

This Honeysuckle flower extract comes from the Italian honeysuckle. It is an antioxidant, antimicrobial, and fragrance.

Biosaccharide Gum-1 Skin Conditioning

Biosaccharide Gum-1 is a sugar created from fermented sorbitol. Most sorbitol is made from potato starch.

Lonicera Japonica Flower Extract Skin Conditioning

Lonicera Japonica Flower Extract comes from the honeysuckle flower.

Sodium Levulinate Skin Conditioning

Sodium levulinate is the a sodium salt of Levulinic Acid. If dissolved in an aqueous solution, the two ingredients become identical.

Tripeptide-29 Skin Conditioning
Peptide Icon
PeptidePeptide Icon

Tripeptide-29 is a peptide.

Sodium Hyaluronate Humectant, Skin Conditioning
0 / 0 Hyaluronic Acid Icon
Hyaluronic AcidHyaluronic Acid Icon

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

0 Com. / 0 Irr.
Sodium Ascorbyl Phosphate Antioxidant
Vitamin C IconAntioxidant IconHelps reduce Skin Redness IconGood for Skin Texture IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps brighten skin Icon
Vitamin CVitamin C Icon AntioxidantAntioxidant Icon 6 Benefits

Sodium Ascorbyl Phosphate is a form of Vitamin C. It is the salt of ascorbic acid.

Magnesium PCA Humectant, Skin Conditioning
Helps hydrate Dry Skin Icon
Helps hydrate Dry SkinHelps hydrate Dry Skin Icon

This ingredient is the magnesium salt of PCA (Pyrrolidone Carboxylic Acid). It is a great skin hydrator for the top layers of skin.

Lactic Acid Buffering, Humectant, Skin Conditioning
AHA IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation IconMay worsen Eczema IconMay worsen Rosacea Icon
AHAAHA Icon 6 Benefits 3 Concerns

Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.

Glyceryl Caprylate Emollient, Emulsifying

Glyceryl Caprylate comes from glycerin and caprylic acid, a fatty acid from coconut.

Cocoyl Proline Skin Conditioning

We don't have a description for Cocoyl Proline.

Unknown Full details ->
Sodium Anisate Antimicrobial

Sodium Anisate comes from fennel. It is used as a preservative and to add flavoring.

Unknown Full details ->
Leuconostoc Ferment Filtrate Antimicrobial, Skin Conditioning

Leuconostoc Ferment Filtrate is created from fermenting leuconostoc, a microorganism.

Citric Acid Buffering, Masking
AHA IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation IconMay worsen Rosacea Icon
AHAAHA Icon 4 Benefits 2 Concerns

Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).

Disliked Full details ->

Ingredients Explained

These ingredients are found in both products.

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

Skin Conditioning, Solvent
Loved

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. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!

Learn more about Water
Humectant, Skin Conditioning, Skin Protecting
Loved

Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.

A study from 2016 found glycerin to be more effective as a humectant than AHAs and hyaluronic acid.

As a humectant, it helps the skin stay hydrated by pulling moisture to your skin. The low molecular weight of glycerin allows it to pull moisture into the deeper layers of your skin.

Hydrated skin improves your skin barrier; Your skin barrier helps protect against irritants and bacteria.

Glycerin has also been found to have antimicrobial and antiviral properties. Due to these properties, glycerin is often used in wound and burn treatments.

In cosmetics, glycerin is usually derived from plants such as soybean or palm. However, it can also be sourced from animals, such as tallow or animal fat.

This ingredient is organic, colorless, odorless, and non-toxic.

Glycerin is the name for this ingredient in American English. British English uses Glycerol/Glycerine.

Learn more about Glycerin
Humectant, Skin Conditioning
Loved

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

Like hyaluronic acid, it is great at holding water and acts as a humectant. This makes it a great skin hydrating ingredient.

Sodium Hyaluronate is naturally occurring in our bodies and is mostly found in eye fluid and joints.

These are some other common types of Hyaluronic Acid:

Learn more about Sodium Hyaluronate
Buffering, Masking
Disliked

Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).

If you spot Citric Acid near the end of an ingredient list, it's likely there as a pH adjuster rather than an active ingredient.

As an AHA, Citric Acid removes the top layer of skin cells from the newer layer of skin underneath. This helps skin to remove dark spots and look more even.

Read more about some other popular AHA's here:

Learn more about Citric Acid
Skin Conditioning, Solvent
Mixed

Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.

The hydrophilic trait of Pentylene Glycol makes it a humectant. As a humectant, Pentylene Glycol helps draw moisture from the air to your skin. This can help keep your skin hydrated.

This property also makes Pentylene Glycol a great texture enhancer. It can help thicken or emulsify a product. Emulsifiers help stabilize a product. It does this by preventing certain ingredients from separating.

Pentylene Glycol also acts as a mild preservative and helps to keep a product microbe-free.

Some people may experience mild eye and skin irritation from Pentylene Glycol. We always recommend speaking with a professional about using this ingredient in your routine.

Pentylene Glycol has a low molecular weight and is part of the 1,2-glycol family.

Learn more about Pentylene Glycol
Emulsifying, Emulsion Stabilising, Gel Forming
Disliked

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

On the technical side of things, xanthan gum is a polysaccharide - a combination consisting of multiple sugar molecules bonded together.

Xanthan gum is a pretty common and great ingredient. It is a natural, non-toxic, non-irritating ingredient that is also commonly used in food products.

Learn more about Xanthan Gum

Ingredient Ratings

Here's what our community thinks of the ingredients in these two products.

"Buffet" + Copper Peptides 1%
31
6
9
3
liked
mixed
disliked
not rated
Peptide Serum
15
2
3
2
liked
mixed
disliked
not rated

When to use

302 Routines
47% use in am
53% use in pm
87% use every day
When to use See routines that use it ->
32 Routines
50% use in am
44% use in pm
91% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

The Ordinary "Buffet" + Copper Peptides 1% 49 ingredients

4.7 /5
from 3 ratings

Q + A Peptide Serum 22 ingredients

Peptide Serum hasn't been rated yet.
Rate it now