Versus

PSA SKIN The Most Hyaluronic Super Nutrient Hydration Serum Versus Dermalogica Circular Hydrating Serum

Serum
Serum
Singaporean Brand Singapore
American Brand United States

Overview

What they are

These products are both vegan, cruelty-free, and reef safe serums. They have a total of 15 ingredients in common

Cool Features

They both contain hyaluronic acid

Suited For

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

Free From

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

What's Inside

They both contain oils

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

Ingredient Info

Click any item below to learn more and see relevant ingredients

What's inside (and what isn't)

What's inside (and what isn't)

At a glance

Click on any of the items below to learn more

Key Ingredients

Benefits

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
The Most Hyaluronic Super Nutrient Hydration Serum
Circular Hydrating Serum

Water

Skin Conditioning

PEG-8

Humectant

Glycerin

Humectant
0 / 0 Helps hydrate Dry Skin IconGood for Scar Healing IconHelps brighten skin Icon

Methylpropanediol

Solvent

Propanediol

Solvent
Helps hydrate Dry Skin Icon

PPG-24-Glycereth-24

Emulsifying

1,2-Hexanediol

Skin Conditioning
Helps hydrate Dry Skin Icon

Xylitylglucoside

Humectant
Helps hydrate Dry Skin Icon

Butylene Glycol

Humectant
1 / 0 Helps hydrate Dry Skin Icon

Hydroxyethyl Urea

Humectant
Helps hydrate Dry Skin Icon

Panthenol

Skin Conditioning
0 / 0 Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconGood for Scar Healing Icon

Hydroxyacetophenone

Antioxidant
Antioxidant IconHelps reduce irritation Icon

Lactic Acid

Buffering
AHA IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconHelps with Anti-Aging IconGood for Dark Spots IconGood for Scar Healing IconHelps brighten skin IconMay worsen Eczema IconMay worsen Rosacea Icon

Hyaluronic Acid

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

Sodium Hyaluronate

Humectant
0 / 0 Hyaluronic Acid IconHelps hydrate Dry Skin Icon

Dunaliella Salina Extract

Skin Conditioning

Avena Sativa Kernel Extract

Abrasive
Exfoliant IconAntioxidant IconHelps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation Icon

Citrus Aurantium Bergamia Fruit Oil

Masking
Fragrance IconOil Icon

Citrus Paradisi Peel Oil

Masking
Fragrance IconOil Icon

Citrus Limon Peel Oil

Masking
Fragrance IconOil IconMay cause irritation IconEU Allergen Icon

Santalum Album Oil

Masking
Oil IconMay cause irritation IconEU Allergen Icon

Laminaria Digitata Extract

Skin Protecting
Helps hydrate Dry Skin IconHelps reduce irritation Icon

Jasminum Sambac Flower Extract

Masking
Fragrance Icon

Chondrus Crispus Extract

Skin Conditioning
Helps hydrate Dry Skin Icon

Gigartina Stellata Extract

Skin Protecting

Macrocystis Pyrifera Extract

Skin Conditioning
Helps hydrate Dry Skin Icon

Prunus Amygdalus Dulcis Oil

Skin Conditioning
3 / 0 Oil IconHelps hydrate Dry Skin IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon

Lithothamnion Calcareum Extract

Skin Conditioning

Citrus Aurantium Dulcis Oil

Masking
Oil Icon

Cupressus Sempervirens Oil

Masking
Oil Icon

Cistus Ladaniferus Leaf/Stem Extract

Masking

Juniperus Virginiana Oil

Masking
Oil IconMay cause irritation IconEU Allergen Icon

Rosmarinus Officinalis Flower/Leaf/Stem Extract

Masking

Tagetes Minuta Flower Oil

Masking
Fragrance IconOil Icon

Rosa Damascena Flower

Skin Conditioning

Hydrolyzed Rice Protein

Skin Conditioning

Pentylene Glycol

Skin Conditioning

Sodium PCA

Humectant
0 / 0 Helps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation Icon

Anhydroxylitol

Humectant
Helps hydrate Dry Skin Icon

Xylitol

Humectant
Helps hydrate Dry Skin Icon

Polyglutamic Acid

Skin Conditioning
Helps hydrate Dry Skin IconGood for Scar Healing Icon

Lactobacillus Ferment

Skin Conditioning

Lysine Hcl

Skin Conditioning
Helps hydrate Dry Skin Icon

Betaine

Humectant
Helps hydrate Dry Skin IconHelps reduce irritation IconGood for Dark Spots Icon

Sclerotium Gum

Emulsion Stabilising

Sodium Lactate

Buffering

PCA

Humectant
Helps hydrate Dry Skin Icon

Glucose

Humectant
Helps hydrate Dry Skin Icon

Serine

Masking
Helps hydrate Dry Skin Icon

Alanine

Masking

Glycine

Buffering
Helps hydrate Dry Skin Icon

Silanetriol

Pantolactone

Humectant
Helps hydrate Dry Skin Icon

Glutamic Acid

Humectant
Helps reduce Skin Redness IconHelps reduce irritation IconGood for Scar Healing Icon

Threonine

Helps hydrate Dry Skin Icon

Arginine

Masking
Good for Scar Healing IconNot safe for Fungal Acne Icon

Proline

Skin Conditioning

Xanthan Gum

Emulsifying

Tetrasodium Glutamate Diacetate

Polysorbate 20

Emulsifying
0 / 0 Not safe for Fungal Acne Icon

Sorbitan Isostearate

Emulsifying
1-2 / 0 Not safe for Fungal Acne Icon

Citric Acid

Buffering
AHA IconGood for Oily Skin IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Scar Healing IconHelps brighten skin IconMay worsen Rosacea Icon

Sodium Hydroxide

Buffering

Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer

Emulsion Stabilising

Amylopectin

Hydroxyethylcellulose

Emulsion Stabilising

Sodium Benzoate

Masking
Preservative Icon

Potassium Sorbate

Preservative
Preservative Icon

Limonene

Perfuming
Fragrance IconMay cause irritation IconEU Allergen IconMay worsen Eczema IconMay worsen Rosacea Icon

Linalool

Perfuming
Fragrance IconMay cause irritation IconEU Allergen IconMay worsen Eczema IconMay worsen Rosacea Icon

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

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. Stay hydrated!

Learn more about Water
Humectant, Skin Conditioning, Skin Protecting

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
Solvent

Propanediol is an all-star ingredient. It softens, hydrates, and smooths the skin. 

It’s often used to:

Propanediol is not likely to cause sensitivity and considered safe to use. It is derived from corn or petroleum with a clear color and no scent.

Learn more about Propanediol
Emulsifying

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

As a surfactant, it helps collect dirt and oils for washing. Emulsifiers prevent oils and water from separating.

Polysorbate 20 also adds scent to a product. Since it is made using sorbitol, it has a sweet scent. Sorbitol can also be found in fruits such as apples and peaches.

The lauric acid used to create Polysorbate 20 is often derived from coconuts.

Polysorbate 20 may not be fungal acne safe.

Learn more about Polysorbate 20
Humectant, Moisturising, Skin Conditioning

Hyaluronic acid is naturally found in healthy skin. It is a humectant, meaning it draws moisture to your skin.

This ingredient helps hydrate, soothe, and protect the skin.

What makes hyaluronic acid so hydrating? It has the capacity to bind or hold large amounts of water.

Fun fact: It is already naturally found in our bodies, such as the fluids of our eyes and our joints.

Studies find this ingredient to have anti-inflammatory and anti-microbial properties. This can help speed up wound-healing.

Hyaluronic acid can be irritating if the molecule has a low-molecular weight, or if the molecules are small.

One study found low-molecular weight hyaluronic acid to be pro-inflammatory, meaning some people may experience irritation. This is because our bodies use hyaluronic acid in the wound-healing process to signal to our bodies, via irritation, that something needs healing.

The same study found high-molecular weight hyaluronic acid to be anti-inflammatory.

These are some other common types of Hyaluronic Acid:

Learn more about Hyaluronic Acid
Humectant, Skin Conditioning

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
Humectant, Skin Conditioning

Sodium PCA is the sodium salt of pyroglutamic acid. It is naturally occurring in our skin's natural moisturizing factors where it works to maintain hydration.

The PCA stands for pyrrolidone carboxylic acid, a natural amino acid derivative.

This ingredient has skin conditioning, anti-inflammatory, and humectant properties. Humectants help hydrate your skin by drawing moisture from the air. This helps keep your skin moisturized.

Learn more about Sodium PCA
Skin Conditioning

Panthenol is a common ingredient that helps hydrate and soothe the skin. It is found naturally in our skin and hair.

There are two forms of panthenol: D and L.

D-panthenol is also known as dexpanthenol. Most cosmetics use dexpanthenol or a mixture of D and L-panthenol.

Panthenol is famous due to its ability to go deeper into the skin's layers. Using this ingredient has numerous pros (and no cons):

Like hyaluronic acid, panthenol is a humectant. Humectants are able to bind and hold large amounts of water to keep skin hydrated.

This ingredient works well for wound healing. It works by increasing tissue in the wound and helps close open wounds.

Once oxidized, panthenol converts to pantothenic acid. Panthothenic acid is found in all living cells.

This ingredient is also referred to as pro-vitamin B5.

Learn more about Panthenol
Skin Conditioning

Chondrus Crispus Extract comes from a red algae native to the northern Atlantic coasts of Europe and North America. It helps hydrate the skin and is rich in antioxidants.

The antioxidants in chondrus crispus include lutein and zeaxanthin. Lutein has the ability to filter blue light from screens.

Other contents of chondrus crispus include polysaccharides, peptides, and amino acids. These help hydrate the skin.

What's the difference between algae and seaweed? Algae is a broad term that includes seaweed. Not all algae is seaweed.

Learn more about Chondrus Crispus Extract
Buffering, Humectant

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

This ingredient is part of our skin's NMF, or natural moisturizing factor. Our NMF is essential for the hydration of our top skin layers and plasticity of skin. NMF also influences our skin's natural acid mantle and pH, which protects our skin from harmful bacteria.

High percentages of Sodium Lactate can have an exfoliating effect.

Fun fact: Sodium Lactate is produced from fermented sugar.

Learn more about Sodium Lactate
Emulsion Stabilising, Stabilising

Hydroxyethylcellulose is used to improve the texture of products. It is created from a chemical reaction involving ethylene oxide and alkali-cellulose. Cellulose is a sugar found in plant cell walls and help give plants structure.

This ingredient helps stabilize products by preventing ingredients from separating. It can also help thicken the texture of a product.

This ingredient can also be found in pill medicines to help our bodies digest other ingredients.

Learn more about Hydroxyethylcellulose
Masking, Preservative

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.

Both the US FDA and EU Health Committee have approved the use of sodium benzoate. In the US, levels of 0.1% (of the total product) are allowed.

Sodium benzoate works as a preservative by inhibiting the growth of bacteria inside of cells. It prevents the cell from fermenting a type of sugar using an enzyme called phosphofructokinase.

It is the salt of benzoic acid. Foods containing sodium benzoate include soda, salad dressings, condiments, fruit juices, wines, and snack foods.

Studies for using ascorbic acid and sodium benzoate in cosmetics are lacking, especially in skincare routines with multiple steps.

We always recommend speaking with a professional, such as a dermatologist, if you have any concerns.

Learn more about Sodium Benzoate
Emulsion Stabilising, Skin Conditioning

Sclerotium Gum is a polysaccharide gum made by the fungus, Sclerotium rolfssii. It is similar to xanthan gum.

In cosmetics, Sclerotium Gum is used to thicken the texture and to help stabilize other ingredients.

As an emulsifier, Sclerotium Gum helps prevent ingredients from separating, such as water and oil.

Learn more about Sclerotium Gum

This is a synthetic polymer. It helps improve the texture of products by adding thickness and gel-like feel.

It is also an emulsifer, meaning it prevents ingredients such as oil and water from separating. It also helps evenly disperse other ingredients.

Preservative

Potassium Sorbate is a preservative used to prevent yeast and mold in products. It is commonly found in both cosmetic and food products.

This ingredient comes from potassium salt derived from sorbic acid. Sorbic acid is a natural antibiotic and effective against fungus.

Both potassium sorbate and sorbic acid can be found in baked goods, cheeses, dried meats, dried fruit, ice cream, pickles, wine, yogurt, and more.

You'll often find this ingredient used with other preservatives.

Learn more about Potassium Sorbate

When to use

5 Routines
40% use in am
60% use in pm
80% use every day
50 Routines
46% use in am
54% use in pm
78% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

PSA SKIN The Most Hyaluronic Super Nutrient Hydration Serum 30 ingredients

The Most Hyaluronic Super Nutrient Hydration Serum hasn't been rated yet.
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Dermalogica Circular Hydrating Serum 70 ingredients

5.0 /5
from 1 rating
Etai's avatar

Etai

2 years ago
Review

The hydration change is instant