La Roche Posay Effaclar Dual Action Acne Face Cleanser with 4% Benzoyl Peroxide - 6.7 fl oz: Noncomedogenic, Oil-Free, Exfoliating, Makeup Removal
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This face cleanser contains beneficial ingredients like benzoyl peroxide, LHA, and glycerin, which are effective for acne treatment and skin hydration. However, the presence of fragrance, which can cause skin irritation and allergic reactions, detracts from its overall safety profile. The product is moderately processed, which also impacts its rating.
Key ingredients 12
Benzoyl PeroxideGood
Benzoyl Peroxide is an effective acne treatment that works by reducing bacteria and drying excess oil on the skin. It is widely used in acne treatments due to its efficacy. However, it can cause dryness and irritation in some individuals.
Risks
Potential risks include skin dryness, irritation, and peeling, especially for sensitive skin types.
Benefits
It effectively reduces acne-causing bacteria and helps clear acne lesions.
LHA (Lipo-Hydroxy Acid)Good
LHA is a derivative of salicylic acid that provides gentle exfoliation. It helps in unclogging pores and improving skin texture. It is less irritating than other exfoliants, making it suitable for sensitive skin.
Risks
Overuse can lead to skin irritation or sensitivity.
Benefits
It provides gentle exfoliation and helps in reducing acne and improving skin texture.
GlycerinGood
Glycerin is a humectant that attracts moisture to the skin, helping to keep it hydrated. It is widely used in skincare for its moisturizing properties. It is generally well-tolerated and non-irritating.
Risks
There are minimal risks associated with glycerin.
Benefits
It helps maintain skin hydration and improves skin barrier function.
WaterNeutral
Water is a common solvent used in cosmetic formulations. It helps dissolve other ingredients and provides a base for the product. It is generally considered safe and non-irritating.
Risks
There are no significant risks associated with water in cosmetics.
Benefits
Water helps in hydrating the skin and acts as a carrier for other beneficial ingredients.
Thermal WaterNeutral
Thermal water is often used in skincare for its soothing and anti-inflammatory properties. It is rich in minerals and can help calm irritated skin. However, its benefits are largely anecdotal.
Risks
There are minimal risks associated with thermal water.
Benefits
It may help soothe and calm irritated skin due to its mineral content.
Cocamidopropyl BetaineNeutral
Cocamidopropyl Betaine is a mild surfactant used to cleanse the skin and hair. It is derived from coconut oil and is considered less irritating than harsher surfactants. However, it can cause allergic reactions in some individuals.
Risks
Potential risks include skin irritation or allergic reactions in sensitive individuals.
Benefits
It provides gentle cleansing without stripping the skin of natural oils.
Sodium ChlorideNeutral
Sodium Chloride, or table salt, is used as a thickening agent in cosmetics. It helps to improve the texture and consistency of the product. It is generally considered safe in cosmetic formulations.
Risks
Excessive use can lead to skin dryness.
Benefits
It helps in improving the texture and consistency of the product.
Citric AcidNeutral
Citric Acid is used to adjust the pH of cosmetic products. It can also provide mild exfoliation and improve skin texture. However, it can cause irritation in sensitive skin types.
Risks
Potential risks include skin irritation, especially in sensitive individuals.
Benefits
It helps in maintaining the pH balance of the product and provides mild exfoliation.
Sodium Lauroyl SarcosinateBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
There are minimal risks associated with this ingredient.
Benefits
It provides effective cleansing while being gentle on the skin.
Potassium SorbateBad
Synthetic preservative — flagged in daily-use products.
Risks
Potential risks include skin irritation in sensitive individuals.
Benefits
It helps in preserving the product and extending its shelf life.
Sodium BenzoateBad
Synthetic preservative that can form benzene in the presence of vitamin C.
Risks
Potential risks include skin irritation, especially in sensitive individuals.
Benefits
It helps in preserving the product and preventing microbial contamination.
FragranceVery Bad
Fragrance is added to cosmetics to provide a pleasant scent. However, it is a common cause of skin irritation and allergic reactions. It can also contain undisclosed chemicals that may be harmful.
Risks
Potential risks include skin irritation, allergic reactions, and exposure to undisclosed chemicals.
Benefits
It provides a pleasant scent to the product.
Processing
Processed Foods
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