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Updated on June 18, 2024

Overview

What they are

These products are both reef safe . They have a total of 1 ingredients in common

Cool Features

They both contain hyaluronic acid

Suited For

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

Free From

They both do not contain any parabens or sulfates

What's Inside

They both contain common allergens and fragrances

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

Kiehl's Powerful-Strength Vitamin C Serum
Estée Lauder Turbo Lash Night Revitalizing Serum Lash + Brow Australia

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
Powerful-Strength Vitamin C Serum
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 ->
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 ->
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.
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.

Ethylhexyl Palmitate Emollient
2-3 / 0 May worsen Oily Skin IconBad for Acne Prone Skin IconNot safe for Fungal Acne Icon
3 Concerns

Ethylhexyl Palmitate is created from 2-ethylhexyl alcohol and palmitic acid. It is a fatty acid ester.

2-3 Com. / 0 Irr.
Very Disliked Full details ->
Cetyl Peg/Ppg-10/1 Dimethicone Emulsifying, Skin Conditioning
Silicon Icon
SiliconSilicon Icon

This ingredient is a high molecular weight silicone. It has emulsifying and skin conditioning properties.

Very 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.

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Ascorbyl Glucoside 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

Ascorbyl Glucoside is a stable form of Vitamin C. It is created by combining glucose from starch.

Cyclohexasiloxane Emollient, Skin Conditioning, Solvent
Silicon Icon
SiliconSilicon Icon

Cyclohexasiloxane is a type of silicone more commonly known as D6. It is an emollient and solvent.

Disliked Full details ->
Hydroxyethylpiperazine Ethane Sulfonic Acid Buffering

We don't have a description for Hydroxyethylpiperazine Ethane Sulfonic Acid.

Lauroyl Lysine Skin Conditioning

This ingredient comes from a fatty acid (lauric acid) and amino acid (lysine). It is used to add a silky feel to cosmetics.

Very Disliked Full details ->
Acrylonitrile/Methyl Methacrylate/Vinylidene Chloride Copolymer

We don't have a description for Acrylonitrile/Methyl Methacrylate/Vinylidene Chloride Copolymer.

Unknown Full details ->
Polysilicone-11

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

Disliked Full details ->
Adenosine Skin Conditioning
Helps with Anti-Aging IconGood for Scar Healing Icon
2 Benefits

Adenosine is in every living organism. It is one of four components in nucleic acids that helps store our DNA.

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.

Limonene Perfuming, Solvent
Fragrance Icon
FragranceFragrance Icon

Limonene is a fragrance that adds scent and taste to a formulation.

Very Disliked Full details ->
Isobutane

We don't have a description for Isobutane.

Unknown Full details ->
Citrus Aurantium Dulcis Peel Oil Masking, Skin Conditioning
Oil Icon
OilOil Icon

Citrus Aurantium Dulcis Peel Oil is oil from the peel of an orange fruit.

Very Disliked Full details ->
Citrus Limon Peel Oil Masking, Perfuming, Skin Conditioning
Fragrance IconOil IconEU Allergen Icon
FragranceFragrance Icon OilOil Icon EU AllergenEU Allergen Icon

Citrus Limon Peel Oil is created from the peels of the lemon. It is used to add a lemon-scent to products. Lemon peel oil also has antibacterial, antifungal, and antioxidant properties. However, it may also cause phototoxicity and sensitize skin.

Very Disliked Full details ->
Citral Perfuming
Fragrance IconEU Allergen Icon
FragranceFragrance Icon EU AllergenEU Allergen Icon

Citral is a fragrance and used to add a lemon-like scent to products. It is both naturally found in plants and created synthetically. In plants, it is commonly occurring in lemon myrtle, lemongrass, lemon tea-tree, lemon verbena, and other citruses.

Unknown Full details ->
Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate Antioxidant
Antioxidant Icon
AntioxidantAntioxidant Icon

Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate (long name, huh?) is a synthetic antioxidant.

Turbo Lash Night Revitalizing Serum Lash + Brow
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.
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.
Nicotinamide Adenine Dinucleotide Skin Conditioning
Helps reduce irritation IconHelps with Anti-Aging Icon
2 Benefits

Nicotinamide Adenine Dinucleotide can be good for be good for sensitive skin. It can help to reduce the effects of aging.

Unknown 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.
Trifolium Pratense Extract Skin Conditioning

We don't have a description for Trifolium Pratense Extract.

Unknown Full details ->
Curcuma Longa Root Extract Masking, Perfuming
Fragrance Icon
FragranceFragrance Icon

Curcuma Longa Root Extract is from the spice, turmeric. Besides being a healthy and delicious spice, turmeric also has plenty of skincare benefits. It has anti-inflammatory, antioxidant, and anti-microbial properties.

Glycine Soja Seed Extract Skin Conditioning

Glycine Soja Seed Extract comes from the seed of the wild soybean plant. Wild soybean extract contains fatty acids (linoleic, oleic, linolenic), vitamin E, and antioxidants.

Laurdimonium Hydroxypropyl Hydrolyzed Soy Protein

We don't have a description for Laurdimonium Hydroxypropyl Hydrolyzed Soy Protein.

Unknown Full details ->
Panax Ginseng Root Extract Emollient, Skin Protecting, Tonic
Helps hydrate Dry Skin IconHelps reduce Skin Redness Icon
2 Benefits

Panax Ginseng Root is a popular herb from Asia. This root contains antioxidants, favonoids, and vitamins B12 and D.

Hydrolyzed Rice Protein Skin Conditioning

Hydrolyzed Rice Protein is protein extracted from rice. This ingredient is rich in antioxidants and peptides.

Caffeine Skin Conditioning

Caffeine is most associated with coffee, tea, and cacao. In skincare, it helps with calming inflammation and anti-aging.

Acetyl Tetrapeptide-3 Skin Protecting
Peptide Icon
PeptidePeptide Icon

Acetyl Tetrapeptide-3 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.

Acetyl Carnitine Hcl Skin Conditioning

Acetyl Carnitine Hcl is an antioxidant

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.
Adenosine Phosphate Skin Conditioning

Adenosine Phosphate is an antioxidant and helps soothe skin.

Unknown Full details ->
Alanine Masking, Skin Conditioning

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

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.

Creatine Skin Conditioning

We don't have a description for Creatine.

Unknown Full details ->
Glutamic Acid Humectant

Glutamic Acid is an amino acid that is found in all living organisms. Our bodies use this to help nerve cells in the brain communicate with other cells.

Histidine Humectant, Skin Conditioning

We don't have a description for Histidine.

Isoleucine Skin Conditioning

We don't have a description for Isoleucine.

Leucine Skin Conditioning

We don't have a description for Leucine.

Lysine Skin Conditioning

Lysine is an essential amino acid. Your body is unable to produce it naturally and we mainly get lysine from food sources.

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.

Proline Skin Conditioning

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

Serine Masking, Skin Conditioning

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

Threonine

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

Tyrosine Masking, Skin Conditioning

We don't have a description for Tyrosine.

Valine Masking, Skin Conditioning

We don't have a description for Valine.

Caprylyl Glycol Emollient, Humectant, Skin Conditioning

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

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 ->
Hydroxyethylcellulose 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.

Sodium Polyacrylate Starch Absorbent, Emulsion Stabilising

We don't have a description for Sodium Polyacrylate Starch.

Unknown Full details ->
Phenylpropanol Masking, Perfuming, Solvent
Fragrance Icon
FragranceFragrance Icon

Phenylpropanol is a fragrance.

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 ->
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 ->
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 ->
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.

Benzyl Alcohol Perfuming, Preservative, Solvent
Alcohol IconFragrance IconPreservative IconCan worsen Dry Skin IconMay worsen Oily Skin IconMay cause irritation IconEU Allergen IconMay worsen Eczema IconMay worsen Rosacea Icon
AlcoholAlcohol Icon FragranceFragrance Icon PreservativePreservative Icon 6 Concerns

Benzyl Alcohol is most commonly used as a preservative. It also has a subtle, sweet smell. Small amounts of Benzyl Alcohol is not irritating and safe to use in skincare products. Most Benzyl Alcohol is derived from fruits such as apricots.

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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.

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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.

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.

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

Ingredient Ratings

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

Powerful-Strength Vitamin C Serum
7
11
3
liked
mixed
disliked
not rated
Turbo Lash Night Revitalizing Serum Lash + Brow
27
4
9
7
liked
mixed
disliked
not rated

When to use

57 Routines
72% use in am
28% use in pm
89% use every day
When to use See routines that use it ->