Updated on February 26, 2024
Overview
What they are
These products are both reef safe face cleansers. They have a total of 5 ingredients in common
Suited For
They're both likely to be good for dry skin, brightening skin and sensitive skin
Free From
They both do not contain any harsh alcohols, common allergens, oils, parabens, silicones 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
iUNIK Centella Bubble Cleansing Foam 24 ingredients
Kiehl's Centella Sensitive Facial Cleanser 11 ingredients
At a glance
Click on any of the items below to learn more
iUNIK Centella Bubble Cleansing Foam 24 ingredients
Kiehl's Centella Sensitive Facial Cleanser 11 ingredients
Benefits
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Concerns
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Notable Ingredients
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Concerns
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Ingredients Side-by-side
Centella Asiatica Leaf Water is created by distilling centella asiatica leaves. Centella Asiatica is a herb native to Southeast Asia.
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.
Chances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt.
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.
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.
Butylene Glycol (or BG) is used within cosmetic products for a few different reasons:
Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
Trehalose is a disaccharide made of two glucose molecules (glucose is sugar!). Trehalose is used to help moisturize skin. It also has antioxidant properties.
Allantoin plays a role in soothing and moisturizing the skin. Because of this, it is often added to products with strong active ingredients.
Disodium Cocoamphodiacetate is a surfactant and helps cleanse skin. It is created from the fatty acids of coconut oil.
Hexylene Glycol is a surfactant. Glycols are a class of alcohols. Hexylene Glycol is a surfactant and emulsifier.
Polyglyceryl-4 Caprate comes from Capric Acid and Polyglycerin-4. It is an emulsifier.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
This ingredient is created by distilling parts of the tea tree plant. The bark and leaves of the tea tree plant are rich in Terpinen, an antioxidant, antibacterial, and anti-inflammatory ingredient.
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.
Portulaca Oleracea Extract is an extract of the whole plant of the Purslane, Portulaca oleracea L., Portulacaceae. It has anti-inflammatory, antioxidant, and hydrating properties.
Glycyrrhiza Glabra Root Extract is an extract of the roots of Licorice. It has been found to have several benefits such as skin hydrating, conditioning, and soothing.
Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
2 Concerns
Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.
Centella Asiatica Leaf Water, Water, Sodium Chloride, 1,2-Hexanediol, Pentylene Glycol, Butylene Glycol, Caprylyl Glycol, Trehalose, Allantoin, Disodium Cocoamphodiacetate, Hexylene Glycol, Tea-Cocoyl Glutamate, Polyglyceryl-4 Caprate, Citric Acid, Glycerin, Melaleuca Alternifolia Leaf Water, Oryza Sativa Bran Extract, Portulaca Oleracea Extract, Perilla Frutescens Leaf Extract, Aspalathus Linearis Extract, Commiphora Myrrha Resin Extract, Glycyrrhiza Glabra Root Extract, Ethylhexylglycerin, Parfum
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.
Ethylhexyl Palmitate is created from 2-ethylhexyl alcohol and palmitic acid. It is a fatty acid ester.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Dipropylene Glycol is a synthetically created stabilizer and solvent. It is a part of the glycol class in the alcohol family.
Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.
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.
Caprylyl Glycol is a humectant and emollient, meaning it attracts and preserves moisture.
Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.
Centella Asiatica Extract (Centella) is derived from an herb native to Southeast Asia. It is famous for its anti-inflammatory and soothing properties.
Antioxidant 4 Benefits May cause irritation
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.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
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 WaterCaprylyl 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 GlycolCitric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
As an AHA, Citric Acid removes the top layer of skin cells from the newer layer of skin underneath. This helps skin to remove dark spots and even out skin tone.
If you spot Citric Acid near the end of an ingredient list, it's likely there as a pH adjuster rather than an active ingredient.
Read more about some other popular AHA's here:
Learn more about Citric AcidGlycerin 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 GlycerinEthylhexylglycerin (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 two products.
When to use
iUNIK Centella Bubble Cleansing Foam 24 ingredients
Kiehl's Centella Sensitive Facial Cleanser 11 ingredients
Reviews
Here's what our community thinks
iUNIK Centella Bubble Cleansing Foam 24 ingredients
Pronicio
It's a very good cleanser in general, its foamy texture is very pleasant, it gives a refreshed look and has a very mild, light scent. It cleanses...
It's a very good cleanser in general, its foamy texture is very pleasant, it gives a refreshed look and has a very mild, light scent. It cleanses very well but leaves the skin a little dry, so I wouldn't recommend it if you have dehydrated skin.
