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Kiehl's Rare Earth Deep Pore-Minimizing & Polishing Powder Cleanser Ingredients Explained

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Published on April 27, 2023

Overview

What it is

Face cleanser with 17 ingredients that contains AHA and exfoliants

Cool Features

It is fungal acne (malassezia) safe and reef safe

Suited For

It has ingredients that are good for fighting acne, brightening skin, oily skin, reducing pores, scar healing and better texture

Free From

It doesn't contain any harsh alcohols, common allergens, fragrances, oils, parabens, silicones or sulfates

Fun facts

Kiehl's is from United States. This product is used in 2 routines created by our community.

We independently verify ingredients and our claims are backed by peer-reviewed research. Does this product need an update? Let us know.

You should know

Here's our breakdown of the notable ingredients, benefits, and concerns we determined from the ingredients in this product. Click any item to learn more.

Notable Ingredients

AHA
Exfoliators (2)

Benefits

Good For Oily Skin
Skin Texture
Reduces Large Pores
Scar Healing
Acne Fighting
Brightening

Concerns

May Worsen Oily Skin
Acne Trigger
Irritating
Rosacea (2)
Eczema

Ingredient Info

Click any item below to learn more and view relevant ingredients.
alcohol-free
silicon-free
fragrance-free
sulfate-free
paraben-free
oil-free
fungal-acne safe
reef-safe
eu-allergen-free
vegan
cruelty-free

Ingredients Overview

Here's our quick-to-read summary of the ingredients in this product. Keep scrolling if you'd like to learn more about what each ingredient does!
Ingredient
Features
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Abrasive, Absorbent, Skin Protecting
Exfoliant Icon
2
Cleansing, Foaming, Skin Conditioning
3
4
5
Abrasive, Absorbent, Cosmetic Colorant
0 / 0
Exfoliant IconGood for Oily Skin IconHelps fight Acne Icon
6
May worsen Oily Skin IconBad for Acne Prone Skin Icon
7
Absorbent
8
Absorbent, Emulsion Stabilising, Stabilising
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Absorbent
10
Absorbent
11
Cosmetic Colorant, Moisturising
1 / 0
12
Buffering, Masking
AHA IconMay cause irritation IconGood for Skin Texture IconGood for Minimizing Pores IconGood for Scar Healing IconMay worsen Rosacea IconHelps brighten skin Icon
13
Skin Conditioning, Solvent
14
Cleansing
May worsen Eczema Icon
15
Skin Conditioning
16
Skin Conditioning, Skin Protecting, Soothing
0 / 0
Helps reduce Skin Redness IconHelps reduce irritation IconGood for Scar Healing Icon
17
Masking
Can worsen Dry Skin IconBad for Acne Prone Skin IconMay worsen Rosacea Icon

Ingredients Explained

This product contains 17 ingredients. Click on any ingredient to learn more about it
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What it does: Abrasive, Absorbent, Skin Protecting
Community Rating: Disliked

Zea Mays Starch is starch made from corn. You might know this as cornstarch . It is used to thicken a product. It can replace talc as an absorbent.

The pH of cornstarch is 5.92.

Cornstarch is a common food ingredient used to thicken soups or to make corn syrup.

Learn more about Zea Mays Starch
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What it does: Cleansing, Foaming, Skin Conditioning
Community Rating: Very Disliked

We don't have a description for Disodium Lauryl Sulfosuccinate.

Sodium Lauroyl Glutamate is the sodium salt from the lauric acid of glutamic acid.

It is a surfactant and helps cleanse the skin. Surfactants gather oil, dirt, and other pollutants from your skin so they may be washed away easily.

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What it does:
Community Rating: Mixed

Potassium Cocoyl Glycinate is an amino acid-based surfactant and cleaning agent. This ingredient can be derived from animals or plants. It may also be synthetically created from fatty acids of the coconut and glycine.

Potassium Cocoyl Glycinate is a gentle surfactant. Surfactants help gather the dirt, oil, and other pollutants from your skin to be rinsed away. It is a mild cleanser and naturally produces foam.

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What it does: Abrasive, Absorbent, Cosmetic Colorant
Community Rating: Liked

Kaolin is a clay. It is used for oil control and to help minimize pores. Like other clays, kaolin has the ability to absorb excess sebum or oil. This can help clean out pores and mattify the skin.

Some types of kaolin may have exfoliating properties. When water is added to kaolin, it becomes a paste with small abrasive particles.

Most kaolin is a white color, but may be pink/orange/red depending on where it comes from.

The name 'kaolin' comes from a Chinese village named 'Gaoling'. Kaolin clay comes from rocks rich in kaolinite. Kaolinite, the mineral, has a silicate layered structure. Kaolinite is formed from chemical weathering of aluminum siilicate minerals.

Besides skincare, kaolin is commonly used to make glossy paper, in ceramics, toothpaste, and as medicine to soothe stomach issues.

Learn more about Kaolin
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What it does:
Community Rating: Very Disliked

Potassium Chloride can be bad for oily skin and be bad for acne prone skin.

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What it does: Absorbent
Community Rating: Loved

Cellulose is the main component of plant cell walls. It is used as an emulsifier, absorbent, and texture enhancer.

This ingredient has many functions:

Fun fact: Cellulose is the most abundant form of organic polymer on Earth.

Learn more about Cellulose
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What it does: Absorbent, Emulsion Stabilising, Stabilising

Microcrystalline Cellulose is another name for refined wood pulp. It is used as an emulsifier and mattifying ingredient. As an emulsifier, it helps keep ingredients together.

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What it does: Absorbent
Community Rating: Liked

We don't have a description for Perlite.

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What it does: Absorbent
Community Rating: Disliked

We don't have a description for Aluminum Starch Octenylsuccinate.

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What it does: Cosmetic Colorant, Moisturising
Community Rating: Disliked

Magnesium Stearate is a salt that is 2 parts stearic acid and 1 part magnesium.

It is a white powder that can be used to add bulk and color to products by binding to oil ingredients.

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What it does: Buffering, Masking
Community Rating: Mixed

Tartaric Acid is an AHA. It can help to improve skin texture, reduce large pores, heal scars, and brighten skin. It can cause irritation and worsen rosacea.

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What it does: Skin Conditioning, Solvent
Community Rating: 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. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!

Learn more about Water
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What it does: Cleansing
Community Rating: Disliked

Cocamidopropyl Betaine is a fatty acid created by mixing similar compounds in coconut oil and dimethylaminopropylamine. Dimethylaminopropylamine is a diamine, an amine with two amino groups.

Cocamidopropyl Betaine is a surfactant and cleanser. It helps gather the dirt, pollutants, and other impurities in your skin to be washed away. It also helps thicken a product and make the texture more creamy.

Being created from coconut oil means Cocamidopropyl Betaine is hydrating for the skin.

While Cocamidopropyl Betaine was believed to be an allergen, a study from 2012 disproved this. It found two compounds in unpure Cocamidopropyl Betaine to be the irritants: aminoamide and 3-dimethylaminopropylamine. High-grade and pure Cocamidopropyl Betaine did not induce allergic reactions during this study.

Learn more about Cocamidopropyl Betaine
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What it does: Skin Conditioning
Community Rating: Liked

Aloe Barbadensis Leaf Juice Powder comes from the aloe plant.

You may know Aloe to be a good sunburn reliever and inflammation reducer. This is because it contains many components that are known to help reduce irritation and itchiness.

Aloe leaves are also great moisturizers. They are naturally rich in polysaccharides, a carbohydrate made of sugars. Polysaccharides are able to mimic the carbs found in the top layer of your skin. This can help keep your skin hydrated.

Aloe contains the antioxidants Vitamins A, C, and E. These vitamins neutralize free radicals. Free-radicals are molecules that may damage your skin cells, such as pollution.

Aloe does not protect against UV rays, despite it soothing sunburns.

Learn more about Aloe Barbadensis Leaf Juice Powder
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What it does: Skin Conditioning, Skin Protecting, Soothing
Community Rating: Loved

Allantoin plays a role in soothing and moisturizing the skin. Because of this, it is often added to products with strong active ingredients.

Some studies have shown this ingredient can promote wound healing with higher concentrations.

Allantoin is derived from the comfrey plant but produced synthetically for cosmetic products to ensure purity.

Learn more about Allantoin
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What it does: Masking
Community Rating: Very Disliked

Chances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt.

This ingredient has many purposes in skincare: thickener, emulsifier, and exfoliator.

You'll most likely find this ingredient in cleansers where it is used to create a gel-like texture. As an emulsifier, it also prevents ingredients from separating.

There is much debate on whether this ingredient is comedogenic. The short answer - comedogenic ratings don't tell the whole story. Learn more about comegodenic ratings here.

The concensus about this ingredient causing acne seems to be divided. Research is needed to understand if this ingredient does cause acne.

Scrubs may use salt as the primary exfoliating ingredient.

Learn more about Sodium Chloride
Embed Ingredients

Here's what our community thinks of the 17 ingredients in this product ✨

35% are loved or liked
12% have mixed ratings
41% are disliked or very disliked
12% have no rating yet

When to use

Here's some more info on how this product is used by our community.

Directions

Gently shake before use. When used as a daily cleanser, apply a dime sized amount directly onto wet hands and work into a light foam, then apply onto damp facial skin in circular motions. Rinse thoroughly with water. Recommended as a daily cleanser twice a day. When used as a...

Gently shake before use. When used as a daily cleanser, apply a dime sized amount directly onto wet hands and work into a light foam, then apply onto damp facial skin in circular motions. Rinse thoroughly with water. Recommended as a daily cleanser twice a day. When used as a more intensive facial scrub, apply just a few drops of water to a dime sized amount of the clay powder cleanser to create a thicker paste. Rinse thoroughly with water. Recommended as a facial scrub 1--2 times a week.

When to use

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