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Overview
Cool Features
They both contain BHA
Suited For
They're both likely to be good for fighting acne, dry skin, brightening skin and scar healing
Free From
They both do not contain any oils or parabens
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
La Roche-Posay Effaclar Micro-Peeling Purifying Gel 18 ingredients
La Roche-Posay Effaclar Duo [+] SPF 30 33 ingredients
At a glance
Click on any of the items below to learn more
La Roche-Posay Effaclar Micro-Peeling Purifying Gel 18 ingredients
La Roche-Posay Effaclar Duo [+] SPF 30 33 ingredients
Notable Ingredients
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Concerns
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Ingredients Side-by-side
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.
Can worsen Dry Skin
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.
Decyl Glucoside is a glucose-based surfactant. Surfactants help clean the skin by trapping oil, sebum, and dirt to be washed away.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Chances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt.
Coco-Betaine is the natural version of Cocamidopropyl Betaine. It is often derived from coconuts.
Preservative 5 Benefits 4 Concerns
Salicylic Acid (also known as beta hydroxy acid or BHA) is one of the most well-known ingredients for treating skin that struggles with blackheads and acne. It helps to exfoliate both the skin's surface and pores, and also acts as an anti-inflammatory agent.
Peg-150 Pentaerythrityl Tetrastearate isn't fungal acne safe.
This ingredient is derived from caprylic and capric acids. It is an emulsifier with emollient properties.
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.
Capryloyl Salicylic Acid comes from salicylic acid, the famous acne-fighting BHA.
Tetrasodium EDTA is the salt formed from neutralizing ethylenediamine tetraacetic acid with sodium hydroxide. It is a chelating agent and used to prevent metal ions from binding to other ingredients. This helps keep the product and ingredients stable.
4 Benefits 2 Concerns
Citric Acid is an AHA derived from citrus fruits (think oranges, lemons, and limes!).
Menthol is a compound found in mint plants, such as peppermint. In its pure form, it is a clear crystalline substance.
Hexylene Glycol is a surfactant. Glycols are a class of alcohols. Hexylene Glycol is a surfactant and emulsifier.
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.
Water, Sodium Laureth Sulfate, Decyl Glucoside, Glycerin, Sodium Chloride, Coco-Betaine, Salicylic Acid, Peg-150 Pentaerythrityl Tetrastearate, Peg-6 Caprylic/Capric Glycerides, Zinc Gluconate, Sodium Hydroxide, Capryloyl Salicylic Acid, Tetrasodium EDTA, Citric Acid, Menthol, Polyquaternium-47, Hexylene Glycol, Sodium Benzoate
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.
2 Concerns
Octocrylene protects skin from sun damage. It absorbs UV-B with peak absorption of 304 nm. It is a common sunscreen ingredient and often paired with avobenzone, a UVA filter. This is because octocrylene stabilizes other sunscreen ingredients by protecting them from degradation when exposed to sunlight. Octocrylene is a photostable ingredient and loses about 10% of SPF in 95 minutes.
Glycerin is already naturally found in your skin. It helps moisturize and protect your skin.
Non-Reef-Safe
Homosalate is a chemical sunscreen filter that provides protection in the UV-B range (280nm - 320 nm), with a peak protection at 306 nm. It is internationally approved for use in sunscreens.
2 Concerns
Ethylhexyl Salicylate is an organic compound used to block UV rays. It primarily absorbs UVB rays but offers a small amount of UVA protection as well.
5 Concerns
Alcohol Denat. is an alcohol with a denaturant property. It is created by mixing ethanol with other additives.
2 Concerns
Also known as Avobenzone, this ingredient is a chemical sunscreen filter that provides protection in the UV-A range.
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.
Sorbitan Stearate comes from sorbitol and stearic acid. Sorbitol is a type of sugar and stearic acid is a fatty acid.
2 Concerns
Silica is a mineral naturally found in our skin. It helps to thicken and smooth the texture of a product. It also acts as an agent for other ingredients by increasing the absorption of other ingredients into the skin.
Propylene Glycol is an odorless, colorless liquid. As a humectant, it helps skin retain moisture. It also aids in delivering active ingredients.
Potassium Cetyl Phosphate is the potassium salt of a mixture. This mixture consists of the esters from phosphoricacid and cetyl alcohol.
Zinc PCA (or "zinc salt") differs slightly from zinc itself. PCA stands for pyrrolidone carboxylic acid. However, Zinc PCA comes from zinc.
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.
Ammonium Polyacryloyldimethyl Taurate is a polymer made from ammonium salts. It helps add stability and texture to a product.
Disodium EDTA plays a role in making products more stable by aiding other preservatives.
Sucrose Cocoate is created from the sucrose esters of coconut acid. Coconut acid is comprised of the fatty acids of coconut oil.
Capryloyl Salicylic Acid comes from salicylic acid, the famous acne-fighting BHA.
Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.
Fragrance
T-Butyl Alcohol it is most commonly used as a solvent.
This BHA stands for butylated hydroxyanisole. If you are looking for the beta-hydroxy acid, aka as Salicylic Acid, click here.
Preservative 5 Benefits 4 Concerns
Salicylic Acid (also known as beta hydroxy acid or BHA) is one of the most well-known ingredients for treating skin that struggles with blackheads and acne. It helps to exfoliate both the skin's surface and pores, and also acts as an anti-inflammatory agent.
2 Concerns
Parfum is a catch-all term for an ingredient or more that is used to give a scent to products.
Water, Octocrylene, Glycerin, Homosalate, Ethylhexyl Salicylate, Alcohol Denat., Butyl Methoxydibenzoylmethane, Dimethicone, Sorbitan Stearate, Silica, Isopropyl Lauroyl Sarcosinate, Styrene/Acrylates Copolymer, Propylene Glycol, Potassium Cetyl Phosphate, Diisopropyl Sebacate, Peg-20, Peg-8 Laurate, Zinc PCA, Dimethicone/Vinyl Dimethicone Crosspolymer, Oleamide, Ceramide 1 A, Inulin Lauryl Carbamate, Carnosine, Poloxamer 338, Ammonium Polyacryloyldimethyl Taurate, Disodium EDTA, Sucrose Cocoate, Capryloyl Salicylic Acid, Xanthan Gum, T-Butyl Alcohol, BHA, Salicylic Acid, Parfum
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 WaterGlycerin 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 GlycerinSalicylic Acid (also known as beta hydroxy acid or BHA) is one of the most well-known ingredients for treating skin that struggles with blackheads and acne. It helps to exfoliate both the skin's surface and pores, and also acts as an anti-inflammatory agent.
This multitasking property makes it a great ingredient for cleaning out pores, controlling oil production, and reducing inflammation.
Unlike AHAs which are water soluble, Salicylic Acid is oil soluble. This means that it's able to exfoliate the inside of pores and reduce blackheads.
Concentrations of 0.5-2% are recognized by the U.S. FDA as an over-the-counter topical acne product.
It can cause irritation and/or dryness if one's skin already has a compromised moisture barrier, so it's best to focus on repairing that before introducing a Salicylic Acid into your routine.
In general, Salicylic Acid is a great ingredient for oily acne-prone skin.
While salicylic acid does not increase sun-sensitivity, we still recommend wearing SPF.
If you are looking for the ingredient called BHA or Butylated Hydroxyanisole, click here.
Learn more about Salicylic AcidCapryloyl Salicylic Acid comes from salicylic acid, the famous acne-fighting BHA.
It usually goes by a more common name of LHA, or lipohydroxy acid.
Like salicylic acid, this ingredient is a chemical exfoliant that can help break down the oil in your pores and reduce inflammation.
Though studies for LHA do show it to be less effective than salicylic acid. To be fair, salicylic acid is the reigning monarch of acne treatments.
However, a study from 2009 found LHA to be comparable to BPO, making it a good alternative for people with sensitive skin. Another study of 14 patients found a significant decrease in comedones after using LHA.
Another pro of LHA? It is less irritating than salicylic acid due to its large molecule size.
Large molecules cannot penetrate skin as well, so they are gentler on the skin. LHA is much less penetrative than salicylic acid.
An in-vitro study (not done on a living organism) found only 6% of LHA penetrated past the statum corneum compared to 58% of salicylic acid. An in-vivo (done on a living organism) analysis revealed ~17% of LHA was still present in the top layer of skin after 4 days, versus ~9% of salicylic acid.
Interestingly, a study from 2008 found LHA comparable to another famous acid, glycolic acid.
This study found about 10% of LHA is as effective as 20-50% of glycolic acid in treating hyperpigmentation and fine-lines.
Hydroxy acids have been found to stimulate skin protein, lipids, and thermal thickening. This may have anti-aging benefits.
Learn more about Capryloyl Salicylic AcidIngredient Ratings
Here's what our community thinks of the ingredients in these two products.
When to use
La Roche-Posay Effaclar Micro-Peeling Purifying Gel 18 ingredients
La Roche-Posay Effaclar Duo [+] SPF 30 33 ingredients
Reviews
Here's what our community thinks
La Roche-Posay Effaclar Micro-Peeling Purifying Gel 18 ingredients
specialuniquesnowflake
This is my staple basic cleanser - big bottle for a few bucks, lasts for ~7 months (the 400ml bottle). Tiny drop is enough to clean the whole face,...
This is my staple basic cleanser - big bottle for a few bucks, lasts for ~7 months (the 400ml bottle). Tiny drop is enough to clean the whole face, nice and foamy. Neutral smell. Gentle and effective ingredients. Probably won't clear your acne alone, but it's definitely a nice addition to the routine if you're looking for something simple.
YousifShamoon
meh
this was a very boring cleanser. it had a very slight fragrance but nothing off putting and it was stripping, but not a lot. i'm not sure if it...
meh
this was a very boring cleanser. it had a very slight fragrance but nothing off putting and it was stripping, but not a lot. i'm not sure if it did anything good for my skin and i don't wanna give it too much credit since it's just a cleanser. i moved on from this and i think there is much better out there, but it's not that important since you wash it off anyway. if this is an accessible option for you, go for the normal effaclar cleanser instead, since it will be less stripping.
La Roche-Posay Effaclar Duo [+] SPF 30 33 ingredients
Anti
Great product but not great moisturizer
I used this product for a month. It has done great job for my acne prone skin and caused no break outs....
Great product but not great moisturizer
I used this product for a month. It has done great job for my acne prone skin and caused no break outs. However, it is not a great moisturizer itself. I mostly used it before my actuall moisturizer. Plus, it has spf.
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