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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, brightening skin, sensitive skin, reducing pores, scar healing and better texture

Free From

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

Kylie Skin Hyaluronic Acid Serum
SKKN BY KIM Hyaluronic Acid Serum

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

Notable Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products
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.

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.
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.

Oryza Sativa Bran Water Masking, Perfuming
Fragrance Icon
FragranceFragrance Icon

Oryza Sativa Bran Water 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.

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.

Maltodextrin Absorbent, Emulsion Stabilising, Skin Conditioning

Maltodextrin is a polysaccharide. It is derived from starch such as rice, corn, wheat, or potato starch.

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 ->
Pyrus Malus Fruit Extract Skin Conditioning

Pyrus Malus Fruit Extract is extract from Apples. Apples are rich in Vitamin C, sugars, and antioxidants.

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.
Sclerocarya Birrea Seed Oil Humectant
Oil IconNot safe for Fungal Acne Icon
OilOil Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Sclerocarya Birrea Seed Oil is the oil expressed from the seeds of the Marula plant. In South Africa, Marula is called "an elephant's favorite treat".

Tocopheryl Acetate Antioxidant, Skin Conditioning
0 / 0 Vitamin E IconAntioxidant IconHelps brighten skin Icon
Vitamin EVitamin E Icon AntioxidantAntioxidant Icon Helps brighten skinHelps brighten skin Icon

Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.

0 Com. / 0 Irr.
Palmitoyl Tripeptide-5 Skin Conditioning
Peptide IconNot safe for Fungal Acne Icon
PeptidePeptide Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Palmitoyl Tripeptide-5 isn't fungal acne safe and is a peptide.

Hippophae Rhamnoides Fruit Oil Skin Protecting
Oil IconHelps reduce irritation IconNot safe for Fungal Acne Icon
OilOil Icon Helps reduce irritationHelps reduce irritation Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Hippophae Rhamnoides Fruit Oil comes from the seabuckthorn berry. The seabuckthorn fruit contains carotenoids, palmitic acid, palmitoleic acid and vitamin E.

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.

Acetyl Octapeptide-3 Humectant, Skin Conditioning
Peptide Icon
PeptidePeptide Icon

Acetyl Octapeptide-3 is a synthetic peptide. It is often called a botox alternative due to its ability to restrict the movement of muscles, and thus reduce the appearance of fine-lines.

Aniba Rosodora Wood Oil Astringent, Masking, Skin Conditioning
Oil Icon
OilOil Icon

Aniba Rosodora Wood Oil is an oil.

Disliked Full details ->
Coenochloris Signiensis Extract Skin Conditioning

We don't have a description for Coenochloris Signiensis Extract.

Unknown Full details ->
Hydrolyzed Oat Protein Skin Conditioning

We don't have a description for Hydrolyzed Oat Protein.

Unknown Full details ->
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.
Zea Mays Oil Emulsifying, Masking, Perfuming
0-3 / 0 Fragrance IconOil IconNot safe for Fungal Acne Icon
FragranceFragrance Icon OilOil Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Zea Mays Oil is refined oil. It is created from the process of wet milling corn, or zea mays. Zea Mays Oil is fragrance ingredient, hair conditioning agent, occlusive skin conditioning agent, surfactant, and emulsifying agent.

0-3 Com. / 0 Irr.
Very Disliked Full details ->
Linolenic Acid Cleansing, Emollient, Perfuming
Fragrance IconNot safe for Fungal Acne Icon
FragranceFragrance Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Linolenic Acid is a fatty acid. Our bodies need to consume this to use it. Linolenic Acid helps condition and restore skin. It is also used to treat inflammation and hyperpigmentation.

Cyclopentasiloxane Emollient, Skin Conditioning, Solvent
Silicon Icon
SiliconSilicon Icon

Cyclopentasiloxane is a silicone used to improve texture and trap moisture. An easier name for this is D5.

Disliked Full details ->
Raspberry Seed Oil/Palm Oil Aminopropanediol Esters Skin Conditioning
Oil IconNot safe for Fungal Acne Icon
OilOil Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Raspberry Seed Oil/Palm Oil Aminopropanediol Esters is an oil and isn't fungal acne safe.

Unknown Full details ->
Retinyl Palmitate Skin Conditioning
1-3 / 1-3 Retinoid 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 fight Acne IconCan worsen Dry Skin IconMay cause irritation IconNot safe for Fungal Acne Icon
RetinoidRetinoid Icon 7 Benefits 3 Concerns

Retinyl palmitate is a form of retinoid. Retinoids are the superstar class of anti-aging ingredients that include tretinoin and retinol.

1-3 Com. / 1-3 Irr.
Linoleic Acid Cleansing, Emollient, Skin Conditioning
Helps hydrate Dry Skin IconMay worsen Oily Skin IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon
Helps hydrate Dry SkinHelps hydrate Dry Skin Icon 3 Concerns

Linoleic Acid is Vitamin F and a fatty acid. It is an emollient and helps thicken texture. Linoleic acid helps with hydrating skin and nourishing the skin's barrier. The top layer of skin, or epidermis, contains high amounts of linoleic acid naturally.

Dimethicone/Vinyl Dimethicone Crosspolymer Skin Conditioning

Dimethicone/Vinyl Dimethicone Crosspolymer is a silicone used to improve the texture of products and absorb oil. It does not get absorbed into the skin.

Very Disliked Full details ->
Cholecalciferol Peg-12 Ether Skin Conditioning

We don't have a description for Cholecalciferol Peg-12 Ether.

Unknown Full details ->
Acrylates/C10-30 Alkyl Acrylate Crosspolymer Emulsion Stabilising

Acrylates/C10-30 Alkyl Acrylate Crosspolymer is a synthetic polymer. It is used to thicken and improve the texture of products.

Disliked Full details ->
Tetradecane Perfuming
Fragrance Icon
FragranceFragrance Icon

Tetradecane is a fragrance.

Unknown Full details ->
Caprylhydroxamic Acid

Caprylhydroxamic Acid is a chelating agent.

Disodium EDTA

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

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Hydroxypropyl Guar Emulsion Stabilising

We don't have a description for Hydroxypropyl Guar.

Unknown Full details ->
Aminomethyl Propanol Buffering

Aminomethyl Propanol is used to adjust the pH of products. It is also used as a base to create other organic compounds. Having a balanced pH is important for protecting your skin.

Caprylyl Glycol Emollient, Humectant, Skin Conditioning

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

Hydroxypropyl Cyclodextrin Masking, Skin Conditioning

We don't have a description for Hydroxypropyl Cyclodextrin.

Unknown Full details ->
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.

Rosa Centifolia Flower Water Skin Conditioning, Skin Protecting

We don't have a description for Rosa Centifolia Flower Water.

Aloe Barbadensis Leaf Juice Skin Conditioning
Helps reduce Skin Redness IconHelps reduce irritation Icon
2 Benefits

Aloe Barbadensis Leaf Juice comes from leaves of the aloe plant. Aloe Barbadensis Leaf Juice is best known for helping to soothe sunburns. It is also anti-inflammatory, moisturizing, antiseptic, and can help heal wounds.

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.
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.

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.
Saccharide Isomerate Humectant

Saccharide Isomerate comes from sugars found in corn. It is a skin hydrator.

Caprylyl Glycol Emollient, Humectant, Skin Conditioning

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

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.

Hydroxyacetophenone Antioxidant
Antioxidant Icon
AntioxidantAntioxidant Icon

Hydroxyacetophenone is antioxidant and helps with skin conditioning.

Leuconostoc/Radish Root Ferment Filtrate Antimicrobial

Leuconostoc/Radish Root Ferment Filtrate is a natural preservative. It comes from fermenting radish roots with a bacteria called leuconostoc. Leuconostoc comes from lactic acid. This bacteria is used to make the traditional Korean side-dish, kimchi. It is also used to make sourdough bread (both incredibly yummy foods).

Myosotis Sylvatica Flower/Leaf/Stem Extract Skin Conditioning

We don't have a description for Myosotis Sylvatica Flower/Leaf/Stem Extract.

Unknown 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.

Phytic Acid
AHA IconHelps brighten skin IconMay worsen Rosacea Icon
AHAAHA Icon Helps brighten skinHelps brighten skin Icon May worsen RosaceaMay worsen Rosacea Icon

Phytic Acid is a gentle AHA and antioxidant. The chemical makeup makes it classified as an AHA, such as lactic acid.

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.

Prunus Armeniaca Kernel Extract Skin Conditioning

We don't have a description for Prunus Armeniaca Kernel Extract.

Unknown Full details ->
Punica Granatum Fruit Juice Masking, Skin Conditioning

Punica Granatum Fruit Juice is also known as pomegranate juice.

Unknown Full details ->
Sclerotium Gum Emulsion Stabilising, Skin Conditioning

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

Disliked Full details ->
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.

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 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.

Vitis Vinifera Seed Oil Emollient, Skin Conditioning
2-3 / 0 Oil IconNot safe for Fungal Acne Icon
OilOil Icon Not safe for Fungal AcneNot safe for Fungal Acne Icon

Vitis Vinifera Seed Oil comes from the grape vine. Grape seeds are a byproduct of creating grape juice or wine.

2-3 Com. / 0 Irr.
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 ->
Potassium Sorbate Preservative
Preservative Icon
PreservativePreservative Icon

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

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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.

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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
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
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
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
Emollient, Humectant, Skin Conditioning
Liked

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

It is a common ingredient in many products, especially those designed to hydrate skin. The primary benefits are retaining moisture, skin softening, and promoting a healthy skin barrier.

Though Caprylyl Glycol is an alcohol derived from fatty acids, it is not the kind that can dry out skin.

This ingredient is also used as a preservative to extend the life of products. It has slight antimicrobial properties.

Learn more about Caprylyl Glycol

Ingredient Ratings

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

Hyaluronic Acid Serum
17
4
7
7
liked
mixed
disliked
not rated
Hyaluronic Acid Serum
11
7
5
3
liked
mixed
disliked
not rated

When to use

4 Routines
75% use in am
25% use in pm
100% use every day
1 Routine
100% use in am
0% use in pm
100% use every day