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PCA Skin Hyaluronic Acid Boosting Serum Versus Good Molecules Hyaluronic Acid Serum

Serum
Serum
American Brand United States
American Brand United States

Updated on July 18, 2023

Overview

What they are

These products are both cruelty-free and reef safe serums. They have a total of 5 ingredients in common

Cool Features

They both contain hyaluronic acid

Suited For

They're both likely to be good for dry skin and brightening skin

Free From

They both do not contain any harsh alcohols, common allergens, fragrances, parabens 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.

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

Notable Ingredients

Benefits

Concerns

Benefits

Ingredients Side-by-side

found in both products
Hyaluronic Acid Boosting 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.

Propanediol Solvent

Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.

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.
Niacinamide Smoothing
Niacinamide IconGood for Oily Skin IconHelps reduce Skin Redness IconGood for Minimizing Pores IconGood for Dark Spots IconHelps fight Acne IconHelps brighten skin Icon
NiacinamideNiacinamide Icon 6 Benefits

Niacinamide has emerged as an all-star ingredient due to its many benefits.

Dimethicone Emollient, Skin Conditioning, Skin Protecting
1 / 0 Silicon Icon
SiliconSilicon Icon

Dimethicone is a silicone used for making products smooth and silky. It also has the added benefit of sealing in hydration. The amount of dimethicone found in beauty products is considered safe and non-comedogenic, meaning it won't clog pores.

1 Com. / 0 Irr.
Very Disliked Full details ->
Hydrolyzed Yeast Extract Skin Conditioning

We don't have a description for Hydrolyzed Yeast Extract.

Polyglyceryl-3 Beeswax Emulsifying
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Polyglyceryl-3 Beeswax isn't fungal acne safe.

Disliked Full details ->
Coconut Alkanes Emollient, Solvent
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Coconut Alkanes is created from the fatty-acids of coconut oil. It is volatile, meaning it evaporates from the skin.

Very Disliked Full details ->
Phenoxyethanol Preservative
Preservative Icon
PreservativePreservative Icon

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

Very Disliked Full details ->
Isododecane Emollient, Solvent

Isododecane is a fragrance, emollient, and solvent.

Disliked Full details ->
Jojoba Esters Emollient, Moisturising, Skin Conditioning
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Jojoba Esters is a wax created from Jojoba oil. It is an emollient and film-forming ingredient. In bead form, it is an exfoliator.

Disliked Full details ->
Dimethicone Crosspolymer Emulsion Stabilising

Dimethicone Crosspolymer is a silicone created by modifying dimethicone with hydrocarbon side chains. Due to its large size, it does not penetrate skin. It is considered non-occlusive.

Very Disliked Full details ->
Polysilicone-11

We don't have a description for Polysilicone-11.

Disliked Full details ->
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 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 ->
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 ->
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 ->
Hydrolyzed Hyaluronic Acid Humectant, Skin Conditioning
Hyaluronic Acid Icon
Hyaluronic AcidHyaluronic Acid Icon

Hydrolyzed Hyaluronic Acid is a form of hyaluronic acid. It is created by the hydrolysis of hyaluronic acid with a high molecular weight. Once created, Hydrolyzed Hyaluronic Acid has a low molecular weight.

Cetyl Alcohol Emollient, Emulsifying, Emulsion Stabilising
2 / 2 Fatty Alcohol Icon
Fatty AlcoholFatty Alcohol Icon

Cetyl Alcohol is a fatty alcohol. Fatty Alcohols are most often used as an emollient or to thicken a product.

2 Com. / 2 Irr.
Very Disliked Full details ->
Polyglyceryl-6 Distearate Emulsifying
Not safe for Fungal Acne Icon
Not safe for Fungal AcneNot safe for Fungal Acne Icon

Polyglyceryl-6 Distearate isn't fungal acne safe.

Disliked Full details ->
Sodium Lauroyl Lactylate Emulsifying

Sodium Lauroyl Lactylate is the lauric acid sodium salt of lactyl lactate.

Disodium Acetyl Glucosamine Phosphate Skin Conditioning

We don't have a description for Disodium Acetyl Glucosamine Phosphate.

Unknown Full details ->
Hydrolyzed Glycosaminoglycans Humectant, Skin Conditioning

We don't have a description for Hydrolyzed Glycosaminoglycans.

Ethylhexylglycerin Skin Conditioning

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

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.

Hexylene Glycol Emulsifying, Skin Conditioning, Solvent
0-2 / 0-1

Hexylene Glycol is a surfactant. Glycols are a class of alcohols. Hexylene Glycol is a surfactant and emulsifier.

0-2 Com. / 0-1 Irr.
Disliked Full details ->
Polygonum Bistorta Root Extract Skin Conditioning

We don't have a description for Polygonum Bistorta Root Extract.

Unknown Full details ->
Cetyl Hydroxyethylcellulose Emulsion Stabilising

We don't have a description for Cetyl Hydroxyethylcellulose.

Unknown Full details ->
Rosmarinus Officinalis Leaf Oil Masking, Skin Conditioning
Oil Icon
OilOil Icon

Rosmarinus Officinalis Leaf Oil is oil expressed from the leaves of the rosemary plant.

Very Disliked Full details ->
Aroma

Aroma refers to an ingredient, or mixture of ingredients, that impart or mask a flavor.

Very Disliked Full details ->
Polyglucuronic Acid Skin Conditioning

We don't have a description for Polyglucuronic Acid.

Unknown Full details ->
Ceramide NP Skin Conditioning
Ceramide IconHelps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconHelps with Anti-Aging Icon
CeramideCeramide Icon 4 Benefits

Ceramide NP is a type of ceramide.

Hyaluronic Acid Humectant, Moisturising, Skin Conditioning
Hyaluronic Acid IconGood for Skin Texture IconHelps with Anti-Aging IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation Icon
Hyaluronic AcidHyaluronic Acid Icon 4 Benefits May cause irritationMay cause irritation Icon

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

Sodium Carrageenan Emulsion Stabilising

We don't have a description for Sodium Carrageenan.

Unknown Full details ->
Ceramide AP Skin Conditioning
Ceramide IconHelps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconHelps with Anti-Aging Icon
CeramideCeramide Icon 4 Benefits

Ceramide AP is a type of Ceramide.

Phytosphingosine Skin Conditioning

Phytosphingosine is a phospholipid naturally found in our skin. It helps moisturize, soothe, and protect skin.

Caprylyl Glycol Emollient, Humectant, Skin Conditioning

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

Cholesterol Emollient, Emulsifying, Skin Conditioning
0 / 0 Helps hydrate Dry Skin IconHelps reduce Skin Redness Icon
2 Benefits

Cholesterol is a class of organic molecules called lipids. It helps hydrate your skin and is essential to having a healthy skin barrier.

0 Com. / 0 Irr.
Lecithin Emollient, Emulsifying, Skin Conditioning

Lecithin is a term for a group of substances found in plants, animals, and humans. They are made up of mixture of fatty acids. These fatty acids usually are a mixture of phosphoric acid's choline ester connected to stearic, oleic, and palmitic acids. Most lecithins are created from plant ingredients scuh as sunflower.

Disliked Full details ->
Maris Sal Skin Conditioning

We don't have a description for Maris Sal.

Unknown Full details ->
Ceramide EOP Skin Conditioning
Ceramide IconHelps hydrate Dry Skin IconHelps reduce Skin Redness IconHelps reduce irritation IconHelps with Anti-Aging Icon
CeramideCeramide Icon 4 Benefits

Ceramide EOP is a type of Ceramide.

Hyaluronic Acid 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.

Propanediol Solvent

Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.

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.
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.
Hydroxyacetophenone Antioxidant
Antioxidant Icon
AntioxidantAntioxidant Icon

Hydroxyacetophenone is antioxidant and helps with skin conditioning.

Sodium Citrate Buffering, Masking

Sodium Citrate is the sodium salts of citric acid. In skincare, it is used to alter pH levels and acts as a preservative.

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 ->
Ethylhexylglycerin Skin Conditioning

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

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. If you see this, drink a glass of water. Stay hydrated!

Learn more about Water
Solvent
Liked

Propanediol helps absorb ingredients into your skin, boosting their benefits. It can act as an emollient, making your skin softer. Propanediol can help products last longer by boosting the properties of preservatives within the formulation.

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
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
Skin Conditioning
Mixed

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

You might see Ethylhexylglycerin often paired with other preservatives such as phenoxyethanol. Ethylhexylglycerin has been found to increase the effectiveness of these other preservatives.

Ingredient Ratings

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

Hyaluronic Acid Boosting Serum
15
3
17
6
liked
mixed
disliked
not rated
Hyaluronic Acid Serum
5
2
1
liked
mixed
disliked
not rated

When to use

21 Routines
52% use in am
48% use in pm
95% use every day
1,164 Routines
49% use in am
51% use in pm
97% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

PCA Skin Hyaluronic Acid Boosting Serum 41 ingredients

5.0 /5
from 1 rating

Good Molecules Hyaluronic Acid Serum 8 ingredients

5.0 /5
from 8 ratings
Great Value (3) Hydrating (3) Works Well (3)
Osasumwenomoruyi_641's avatar

Osasumwenomoruyi_641

11 months ago · Skin
Review

Super hydrating
Super hydrating for me . No smell. Combined with the essence to give that glass Skin look.

JesseFrisbee_937's avatar

JesseFrisbee_937

12 months ago · Combination Skin
Review

Softens skin moistures