Here's our complete breakdown comparing the ingredients, attributes, and more of La Roche-Posay Effaclar Duo+M versus La Roche-Posay EFFACLAR K+ .
Last updated on October 03, 2023. Published on October 06, 2023
Overview
What they are
These products are both reef safe . They have a total of 8 ingredients in common
Cool Features
They both contain BHA
Suited For
They're both likely to be good for fighting acne, brightening skin, oily skin, reducing pores and scar healing
Free From
They both do not contain any harsh alcohols, common allergens, oils, parabens or sulfates
What's Inside
They both contain silicones
We independently verify ingredients, and our claims are backed by peer-reviewed research. Spot a product that need an update? Let us know.
Facial Treatment
Facial treatments are specially designed to treat a skin concern. Acne treatments and anti-aging products are common examples of facial treatments.
General Moisturizer
All-purpose moisturizers hydrate the top layer of skin cells.
Ingredient Info
La Roche-Posay Effaclar Duo+M 24 ingredients
La Roche-Posay EFFACLAR K+ 24 ingredients
Alcohol Free
This product is free of harsh alcohols 🎉
Contains Silicon
Ingredients in this product that are types of silicon:
Fragrance Free
This product is free of fragrances 🎉
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Oil Free
This product is free of oils 🎉
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Reef Safe
This product is free of ingredients that damage reefs 🎉
EU Allergen Free
This product is free of EU allergens 🎉
Non Vegan
This product is not vegan 😥
Not Cruelty Free
This product is not cruelty-free 😥
Alcohol Free
This product is free of harsh alcohols 🎉
Contains Silicon
Ingredients in this product that are types of silicon:
Contains Fragrance
Ingredients in this product that are forms of fragrance:
Sulfate Free
This product is free of sulfates 🎉
Paraben Free
This product is free of parabens 🎉
Oil Free
This product is free of oils 🎉
Not Malassezia Safe
Ingredients in this product that are not malassezia safe:
Reef Safe
This product is free of ingredients that damage reefs 🎉
EU Allergen Free
This product is free of EU allergens 🎉
Non Vegan
This product is not vegan 😥
Not Cruelty Free
This product is not cruelty-free 😥
At a glance
Click on any of the items below to learn more
La Roche-Posay Effaclar Duo+M 24 ingredients
La Roche-Posay EFFACLAR K+ 24 ingredients
Notable Ingredients
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Benefits
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
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Concerns
This product contains 2 ingredients that may have this attribute:
This product contains 3 ingredients that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Notable Ingredients
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
Benefits
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
This product contains 2 ingredients that may have this attribute:
Concerns
This product contains 1 ingredient that may have this attribute:
This product contains 1 ingredient that may have this attribute:
This product contains 3 ingredients that may have this attribute:
This product contains 4 ingredients that may have this attribute:
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Join SkinSortIngredients Compared
Ingredients that are highlighted in purple are present in both products.
La Roche-Posay Effaclar Duo+M 24 ingredients
La Roche-Posay EFFACLAR K+ 24 ingredients
Water • Glycerin • Dimethicone • Isocetyl Stearate • Niacinamide • Ammonium Polyacryloyldimethyl Taurate • Oryza Sativa Starch • Punica Granatum Pericarp Extract • Potassium Cetyl Phosphate • Sorbitan Oleate • Zinc PCA • Glyceryl Stearate Se • Isohexadecane • Sodium Hydroxide • Myristyl Myristate • 2-Oleamido-1,3-Octadecanediol • Propanediol • Hydroxyethoxyphenyl Butanone • Capryloyl Salicylic Acid • Citric Acid • Pentylene Glycol • Polysorbate 80 • Salicylic Acid • Piroctone Olamine
Water • Propylene Glycol • Octyldodecanol • Dimethicone • Peg-100 Stearate • Glyceryl Stearate • Salicylic Acid • Ammonium Polyacryloyldimethyl Taurate • Zinc PCA • Sarcosine • Sodium Hydroxide • Silica • Silica Silylate • Perlite • Carnosine • Disodium EDTA • Capryloyl Salicylic Acid • Xanthan Gum • Pentylene Glycol • Acrylates Copolymer • Cetyl Alcohol • Butylene Glycol • Tocopherol • Parfum
Ingredients Side-by-side
Ingredients that are highlighted in purple are present in both products.
Learn more about what what Com. / Irr. ratings are
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. Talk about multi-purpose! If you see this, drink a glass of water. Stay hydrated!
Learn more about WaterLa Roche-Posay Effaclar Duo+M contains this as ingredient number 1.
La Roche-Posay EFFACLAR K+ contains this as ingredient number 1.
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.
Dimethicone has been found increase absorption in skin, boosting the benefits of other ingredients. While there is concern for the safety of dimethicone, the levels used in skincare are safe for use.
La Roche-Posay Effaclar Duo+M contains this as ingredient number 3.
La Roche-Posay EFFACLAR K+ contains this as ingredient number 4.
Ammonium Polyacryloyldimethyl Taurate is a polymer made from ammonium salts. It helps add stability and texture to a product.
Ammonium Polyacryloyldimethyl Taurate is stable over a wide pH range. Due to its ability to absorb water, it can help thicken the texture of a product.
As an emulsion stabilizer, this ingredient is able to stabilize and mix the other ingredients. This creates a consistent texture.
Learn more about Ammonium Polyacryloyldimethyl TaurateLa Roche-Posay Effaclar Duo+M contains this as ingredient number 6.
La Roche-Posay EFFACLAR K+ contains this as ingredient number 8.
Zinc PCA (or "zinc salt") differs slightly from zinc itself. PCA stands for pyrrolidone carboxylic acid. However, Zinc PCA comes from zinc.
It can help reduce redness, regulate sebum, and promote the general healing process of the skin.
Zinc PCA tends to be especially useful for those with oily, acne-prone skin. It's certainly an ingredient worth trying out!
Learn more about Zinc PCALa Roche-Posay Effaclar Duo+M contains this as ingredient number 11.
La Roche-Posay EFFACLAR K+ contains this as ingredient number 9.
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 HydroxideLa Roche-Posay Effaclar Duo+M contains this as ingredient number 14.
La Roche-Posay EFFACLAR K+ contains this as ingredient number 11.
We don't have a description for Capryloyl Salicylic Acid.
La Roche-Posay Effaclar Duo+M contains this as ingredient number 19.
La Roche-Posay EFFACLAR K+ contains this as ingredient number 17.
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.
The hydrophilic trait of Pentylene Glycol makes it a humectant. As a humectant, Pentylene Glycol helps draw moisture from the air to your skin. This can help keep your skin hydrated.
This property also makes Pentylene Glycol a great texture enhancer. It can help thicken or emulsify a product. Emulsifiers help stabilize a product. It does this by preventing certain ingredients from separating.
Pentylene Glycol also acts as a mild preservative and helps to keep a product microbe-free.
Some people may experience mild eye and skin irritation from Pentylene Glycol. We always recommend speaking with a professional about using this ingredient in your routine.
Pentylene Glycol has a low molecular weight and is part of the 1,2-glycol family.
Learn more about Pentylene GlycolLa Roche-Posay Effaclar Duo+M contains this as ingredient number 21.
La Roche-Posay EFFACLAR K+ contains this as ingredient number 19.
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.
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 AcidLa Roche-Posay Effaclar Duo+M contains this as ingredient number 23.
La Roche-Posay EFFACLAR K+ contains this as ingredient number 7.
Here's what our community thinks of the ingredients in these two products.
La Roche-Posay Effaclar Duo+M 24 ingredients
La Roche-Posay EFFACLAR K+ 24 ingredients
Usage
Here's some more info on how this product is used by our community.
When to use
La Roche-Posay Effaclar Duo+M 24 ingredients
La Roche-Posay EFFACLAR K+ 24 ingredients
Reviews
Here's what our community thinks
La Roche-Posay Effaclar Duo+M 24 ingredients
La Roche-Posay EFFACLAR K+ 24 ingredients
KaterinaLaskaraki_411
i dont see a change on my skin. it is still oily with black spots. I use this product since a year ago but Im dissapointed.
Alternatives
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