Works for:
based on ingredients and %- Anti-blemish
- Cleansing
- Exfoliation
Can it cause trouble?
- Irritation risk: medium
- Comedogenic risk ingredients: 0
Key actives
Works for
Anti-blemish
What does the product description say?
From the skincare brand recommended by 100,000 dermatologists worldwide, La Roche-Posay's dual action acne cleanser thoroughly removes excess oil, while clearing acne blemishes and helping prevent new acne formation.
Source: La roche posay US
This product can help reduce breakouts and clogged pores because it contains the following ingredient: benzoyl peroxide, niacinamide. These ingredients is used for treating acne and can have a noticeable effect.
The following ingredient (ingredients) in this product might be helpful, but there is no evidence to confirm that it actually works: capryloyl salicylic acid, glycolic acid
A potent anti-bacterial ingredient that is effective against acne. Often leads to skin dryness and can be irritating
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
Cleansing
What does the product description say?
Effaclar Dual Action Acne Face Wash With 4% Benzoyl Peroxide
Source: La roche posay US
This product works by removing dirt and oil from the surface of the skin. It uses a combination of mild cleansing agents (carbomer, cocamidopropyl hydroxysultaine, diethylhexyl sodium sulfosuccinate, sodium c14-16 olefin sulfonate, xanthan gum) and should be able to cleanse the skin gently. Still keep in mind that any cleansing can disrupt the skin barrier, and most people do not need to cleanse their skin more than once per day.
Even though this formulation is mild, the following cleansing agents could trigger an irritation or allergy for some people: sodium c14-16 olefin sulfonate
Used as a cleansing agent. Helps water and oil mix together
Used to create a thicker product consistency
Helps oil and water mix together and used as a cleansing agent. Can be irritating and is better avoided for sensitive skin
Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations
Exfoliation
What does the product description say?
Formulated with 4% benzoyl peroxide and 0.1% micro-exfoliating LHA, this face wash also visibly evens skin texture and renews skin.
Source: La roche posay US
This product can help exfoliate the skin. In other words, it helps break down the bonds between dead cells on the surface of the skin and speed up the skin turnover. Skin often appears softer and brighter after exfoliation, but overdoing it can result in disrupted skin barrier. The following ingredient is doing the exfoliating job in this product: capryloyl salicylic acid, glycolic acid.
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
How honest is this product?
| Promise | Can it deliver? |
|---|---|
| Cleansing | |
| Exfoliation | |
| Anti-blemish |
Total Promises Fulfilled score: 100/100.
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Potential irritants
Comedogenic ingredients
No comedogenic ingredients detected
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| Product | Similarity | Price | Irritancy |
|---|---|---|---|
 La Roche-Posay Effaclar Dual Action Acne Face Wash With 4% Benzoyl Peroxide | Current | $19.99 | |
CeraVe Acne Foaming Cream Cleanser | 90% | $13.62 | |
 Skinfix Acne+ 2% BHA Cleanser | 74% | $35.00 | |
 Tula Acne Spot Treatment | 73% | ≈ $43.59 | |
I'm from Rice Whip Facial Cleanser | 70% | ≈ $14.28 | |
 First Aid Beauty Brighten + Glow Exfoliating Gel Cleanser with AHA and Jojoba Pearls | 70% | $27.90 |
Key Actives
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
A potent anti-bacterial ingredient that is effective against acne. Often leads to skin dryness and can be irritating
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
Used as a cleansing agent. Helps water and oil mix together
Helps oil and water mix together and used as a cleansing agent. Can be irritating and is better avoided for sensitive skin
Used to create a thicker product consistency
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations
Potential irritants
A potent anti-bacterial ingredient that is effective against acne. Often leads to skin dryness and can be irritating
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
Helps oil and water mix together and used as a cleansing agent. Can be irritating and is better avoided for sensitive skin
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
Used as a cleansing agent. Helps water and oil mix together
Helps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve products
Used to preserve products, dissolve other ingredients and create a nice product texture
Used to improve stability of the formulation
Can work as an exfoliant but is typically used to adjust the product pH
Comedogenic ingredients
We couldn't find any comedogenic ingredients in this product
All ingredients
A potent anti-bacterial ingredient that is effective against acne. Often leads to skin dryness and can be irritating
One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant
Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating
Used as a cleansing agent. Helps water and oil mix together
Helps oil and water mix together and used as a cleansing agent. Can be irritating and is better avoided for sensitive skin
Used to stabilize mixtures of oil and water, and create thicker, gel-like product textures
Helps to control the skin's pH level. Maintains the skin's natural film of amino-lactic acids and oils. Helps to preserve products
Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production
One of the best moisturizing ingredients. Attracts water into the upper layer of the skin
Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin
Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations
Used to preserve products, dissolve other ingredients and create a nice product texture
An alpha-hydroxy acid (AHA) that helps to remove the dead skin cells on the surface of the skin reveling a more even, smoother complexation. It is also able to stimulate collagen production with long-term use. Could help to reduce pore congestion. It can be irritating to the skin. Apply sunscreen daily if using products with glycolic acid
Used to improve stability of the formulation
Can work as an exfoliant but is typically used to adjust the product pH
Ingredient list view
Benzoyl peroxide, Water, Glycerin, Propylene glycol, Cocamidopropyl hydroxysultaine, Sodium c14-16 olefin sulfonate, Xanthan gum, Potassium hydroxide, Sodium chloride, Sodium citrate, Niacinamide, Sodium hyaluronate, Capryloyl salicylic acid, Propanediol, Diethylhexyl sodium sulfosuccinate, Carbomer, Benzoic acid, Pentylene glycol, Sodium hydroxide, Glycolic acid, Tetrasodium edta, Trisodium ethylenediamine disuccinate, Citric acid
- Glycerol and the skin: holistic approach to its origin and functions
- Surfactants and experimental irritant contact dermatitis
- Propylene Glycol
- Skin-sensitizing and irritant properties of propylene glycol
- Final Report On the Safety Assessment of Sodium Alpha-Olefin Sulfonates
- Niacinamide - mechanisms of action and its topical use in dermatology
- Gehring, W. (2004). Nicotinic acid/niacinamide and the skin. Journal of Cosmetic Dermatology, 3(2), 88–93. doi:10.1111/j.1473-2130.2004.00115.x
- Hyaluronic acid: A key molecule in skin aging
- Hyaluronan (Hyaluronic Acid): a natural moisturizer for skin care
- Photoprotective and antiinflammatory effects of topical glycolic acid
- Glycolic acid peel therapy – a current review
- Dual Effects of Alpha-Hydroxy Acids on the Skin