Versus

La Roche-Posay Effaclar Medicated Gel Cleanser Versus Kiehl's Ultra Facial Cleanser

Face Cleanser
Face Cleanser
French Brand France
American Brand United States

Updated on July 18, 2023

Overview

What they are

These products are both reef safe face cleansers. They have a total of 8 ingredients in common

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, fragrances, parabens or silicones

What's Inside

They both contain 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

Click any item below to learn more and see relevant ingredients

About this product

About this product

At a glance

Click on any of the items below to learn more

Key Ingredients

Benefits

Concerns

Key Ingredients

Benefits

Concerns

Ingredients Side-by-side

found in both products

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

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
Cleansing, Emulsifying, Foaming

Sodium Laureth Sulfate (SLES) is a foaming, cleansing, and emulsifying ingredient. It is created from palm kernel oil or coconut oil. SLES is not the same as sodium lauryl sulfate. It is much milder and less likely to irritate.

SLES helps create foam in personal products. It also prevents ingredients from separating, helping to elongate the shelf life.

Sodium Laureth Sulfate is a type of sulfate. It can be drying. We recommend speaking with a professional about using this ingredient if you have concerns.

Learn more about Sodium Laureth Sulfate
Cleansing, Emulsion Stabilising

Decyl Glucoside is a glucose-based surfactant and emulsion stabilizer. It is created by reacting glucose with the fatty acids from plants.

Surfactants help clean the skin by trapping oil, sebum, and dirt to be washed away. As an emulsion stabilizer, it stabilizes the ingredients in a product by preventing them from separating.

This ingredient is biodegradable and non-toxic. This ingredient is commonly found in baby shampoos.

Decyl Glucoside is sometimes used to stabilize the UV filter Tinosorb.

Learn more about Decyl Glucoside
Humectant, Skin Conditioning, Skin Protecting

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
Masking

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
Emulsifying, Skin Conditioning, Solvent

Hexylene Glycol is a surfactant. Glycols are a class of alcohols. Hexylene Glycol is a surfactant and emulsifier.

As a surfactant, Hexylene Glycol helps gather dirt and oil on your skin to be washed away.

As an emulsifier, Hexylene Glycol helps keep water and oil together. This prevents them from separating in a product. Hexylene Glycol also thins out the texture of a product by lessening viscosity.

Hexylene Glycol has a small molecular weight.

Learn more about Hexylene Glycol
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.

In small amounts, sodium hydroxide is considered safe to use. However, large amounts may cause chemical burns due to its high alkaline.

Your skin has a natural pH and acid mantle. This acid mantle helps prevent harmful bacteria from breaking through. The acid mantle also helps keep your skin hydrated.

"Alkaline" refers to a high pH level. A low pH level would be considered acidic.

Learn more about Sodium Hydroxide
Buffering, Masking

Citric 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 Acid

When to use

536 Routines
42% use in am
58% use in pm
88% use every day
When to use See routines that use it ->
349 Routines
46% use in am
54% use in pm
96% use every day
When to use See routines that use it ->

Reviews

Here's what our community thinks

La Roche-Posay Effaclar Medicated Gel Cleanser 16 ingredients

2.5 /5
from 4 ratings
Irritating (2) Broke Me Out (2) Great Value (1)
sacante's avatar

sacante

16 days ago
Review

om the stronger side but works well for my oily acne probe skin. feels like it's really clearing out my sebum. would make sure to pair it with a Hydrating routine

#great value
#works well
madisondorman's avatar

Madison Dorman

6 months ago
Review

Drying. Made my skin produce more oil to make up for the dryness, and made more breakouts.

#drying
#broke me out
#light
#light scent

Kiehl's Ultra Facial Cleanser 27 ingredients

3.0 /5
from 6 ratings
Light (2) Drying (2) Expensive (2)
Alodia's avatar

Alodia

6 months ago
Review

I honestly love this cleanser. I’ve been using it over the past 2 years morning and night. It really foams up nice like cushiony and smooth. There’s almost like a slip feel that makes it so nice, very elegant when rubbing on my face. Love this for second cleanser also after balm/oil on makeup days as it really does remove anything remaining and ensures the balm/oil residue is gone. No fragrance Show more

#expensive
#drying
#irritating
#light
oldnina's avatar

oldnina

8 months ago
Review

Cleansed fine but by the end of it I was just using it to get rid of it. Nothing spectacular, and not my preferred for dry skin

#drying
#light