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Updated on November 03, 2023

Overview

What they are

These products are both reef safe . They have a total of 2 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, parabens, silicones or sulfates

What's Inside

They both contain fragrances

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

Paula's Choice C15 Super Booster US
Paula's Choice C15 Super Booster
Facial Treatment
American Brand United States

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

Notable Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
Vitamin C Serum Ascorbic Acid 15% + Panthenol
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.

Aloe Barbadensis Leaf Extract Emollient, Humectant, Skin Conditioning

Aloe Barbadensis Leaf Extract is an extract of the leaves of the aloe, Aloe barbadensis, Liliaceae.

1,2-Hexanediol Skin Conditioning, Solvent

1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.

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.
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.

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.
Hamamelis Virginiana Leaf Extract Skin Conditioning

Hamamelis Virginiana Leaf Extract comes from the witch hazel plant.

Disliked Full details ->
Rosmarinus Officinalis Extract Antimicrobial, Refreshing, Tonic

Rosemary extract has antioxidant, anti-inflammatory, anti-bacterial, and astringent properties.

Eucalyptus Globulus Leaf Skin Conditioning

We don't have a description for Eucalyptus Globulus Leaf.

Unknown Full details ->
Thymus Vulgaris Extract Perfuming, Skin Conditioning
Fragrance Icon
FragranceFragrance Icon

Thymus Vulgaris Extract is a fragrance.

Unknown Full details ->
Aspalathus Linearis Extract Skin Conditioning

We don't have a description for Aspalathus Linearis Extract.

Unknown Full details ->
Disodium EDTA

Disodium EDTA plays a role in making products more stable by aiding other preservatives.

Disliked Full details ->
C15 Super Booster
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.

Ascorbic Acid Antioxidant, Buffering, Masking
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

Ascorbic Acid is is pure Vitamin C. This form makes up the largest amount of vitamin C found naturally in our skin.

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.
Ethoxydiglycol Humectant, Solvent
0 / 0

Ethoxydiglycol is a synthetic solvent.

0 Com. / 0 Irr.
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.
Ppg-26-Buteth-26 Skin Conditioning

We don't have a description for Ppg-26-Buteth-26.

Disliked Full details ->
Peg-40 Hydrogenated Castor Oil Emulsifying
Oil IconNot safe for Fungal Acne Icon
OilOil Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Peg-40 Hydrogenated Castor Oil is derived from castor oil and polyethylene glycol (PEG). It is used as a emollient and emulsifier.

Very Disliked Full details ->
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.

Tocopherol Antioxidant, Masking, Skin Conditioning
0-3 / 0-3 Vitamin E IconAntioxidant IconHelps hydrate Dry Skin IconHelps with Anti-Aging IconGood for Scar Healing IconHelps brighten skin IconMay cause irritation Icon
Vitamin EVitamin E Icon AntioxidantAntioxidant Icon 4 Benefits May cause irritationMay cause irritation Icon

Tocopherol (also known as Vitamin E) is a common antioxidant used to help protect the skin from free-radicals and strengthen the skin barrier. It's also fat soluble - this means our skin is great at absorbing it.

0-3 Com. / 0-3 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.
Hexanoyl Dipeptide-3 Norleucine Acetate Skin Conditioning
Peptide Icon
PeptidePeptide Icon

Hexanoyl Dipeptide-3 Norleucine Acetate is a peptide.

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 ->
Ferulic Acid Antimicrobial, Antioxidant
Antioxidant IconHelps with Anti-Aging Icon
AntioxidantAntioxidant Icon Helps with Anti-AgingHelps with Anti-Aging Icon

Ferulic Acid is a plant based antioxidant. Antioxidants help fight free-radicals. Free-radicals are molecules that may damage your skin cells. Ferulic Acid can help reduce the formation of fine lines and hyperpigmentation.

Panthenol Skin Conditioning
0 / 0 Helps reduce irritation Icon
Helps reduce irritationHelps reduce irritation Icon

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

0 Com. / 0 Irr.
Bisabolol Masking, Skin Conditioning, Soothing
Helps reduce irritation Icon
Helps reduce irritationHelps reduce irritation Icon

Bisabolol is pimarily used to add fragrance to a product. However, it is also famous for helping soothe skin.

Oryza Sativa Bran Extract Skin Conditioning, Skin Protecting

Oryza Sativa Bran Extract comes from the outer layer of a rice kernel. It is a byproduct of milling rice, or the operation to produce a whole grain rice product.

Propyl Gallate Antioxidant, Perfuming
Antioxidant IconFragrance Icon
AntioxidantAntioxidant Icon FragranceFragrance Icon

Propyl Gallate is an antioxidant and is a fragrance.

Sodium Gluconate Skin Conditioning

This is the synthetic salt of gluconic acid, a form of PHA and mild exfoliant.

Unknown 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.

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 ->
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.

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

Ingredient Ratings

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

Vitamin C Serum Ascorbic Acid 15% + Panthenol
4
3
2
3
liked
mixed
disliked
not rated
C15 Super Booster
10
6
4
1
liked
mixed
disliked
not rated

When to use

35 Routines
86% use in am
14% use in pm
100% use every day
When to use See routines that use it ->
291 Routines
87% use in am
12% use in pm
94% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

Cos De BAHA Vitamin C Serum Ascorbic Acid 15% + Panthenol 12 ingredients

Vitamin C Serum Ascorbic Acid 15% + Panthenol hasn't been rated yet.
Rate it now

Paula's Choice C15 Super Booster 21 ingredients

4.5 /5
from 4 ratings
Absorbs Well (1) Expensive (1) Light (1)
Manateepiglet's avatar

Manateepiglet

1 month ago · Unsure Skin
Review

Makes my skin soft and absorbs well but it’s very expensive and smells like hot dog water