La Roche-Posay Effaclar Dual Acne Face Wash — 4% Benzoyl Peroxide, 6.76 fl oz, LHA Exfoliant for Oily Sensitive Skin

La Roche-Posay Effaclar Dual is a dual-action acne face wash with 4% benzoyl peroxide and LHA that cleanses, exfoliates, and helps clear and prevent blemishes.

Designed for oily, acne-prone, and sensitive skin, this Effaclar Dual cleanser combines a potent antibacterial ingredient with a gentle micro-exfoliant to remove excess oil, unblock pores, and smooth skin texture. Fragrance-free, non-comedogenic, paraben-free and oil-free, the formula is dermatologist-tested for tolerance and suitable for daily use where benzoyl peroxide is appropriate. The pump bottle contains 6.76 fl oz (200 ml), giving several weeks of use depending on frequency and amount.

How does this wash target both existing blemishes and new breakouts?

Effaclar Dual uses a two-pronged approach: benzoyl peroxide works to reduce acne-causing bacteria on the skin, while LHA (a micro-exfoliant) gently resurfaces the skin to help clear blocked pores and improve texture. Together they help diminish visible blemishes and reduce the conditions that lead to new spots.

• 4% benzoyl peroxide to address acne-causing microorganisms
• 0.1% LHA for controlled, gentle exfoliation and improved skin renewal
• Oil-free base to remove excess sebum without heavy residue

Will this cleanser irritate sensitive or reactive skin?

The formula is fragrance-free, non-comedogenic, and dermatologist-tested for tolerance, which reduces the risk of irritation for many users. Because benzoyl peroxide can be drying for some skin types, start with limited use (every other day) and follow with a moisturizer if needed.

• Fragrance-free and paraben-free to lower sensitization risk
• Recommended gradual introduction to limit dryness or redness
• Suitable for sensitive skin that tolerates topical benzoyl peroxide

How should I use this product in my daily skincare routine?

Use Effaclar Dual as your cleansing step, typically once or twice daily depending on tolerance. Wet skin, dispense a small amount, gently massage over the face for 30–60 seconds, then rinse thoroughly; follow with a non-comedogenic moisturizer and daytime SPF when used in the morning.

• Apply to damp skin, massage briefly, then rinse clean
• Start with once-daily use if you have dry or reactive skin
• Combine with oil-free hydrators and daily sun protection

What visible changes can users expect and when?

Individual results vary, but many users notice a reduction in the number and severity of active blemishes over several weeks as the formulation reduces bacteria and helps unclog pores. Texture improvements and fewer new breakouts typically develop with consistent use and supportive skincare steps.

• Reduced active blemishes over several weeks with regular use
• Smoother skin texture due to micro-exfoliation by LHA
• Fewer clogged pores when combined with proper moisturizing and sunscreen

Who is this for: Effaclar Dual is intended for people with oily, blemish-prone skin looking for an acne-targeted cleanser that balances antibacterial action with gentle exfoliation. It is suitable for adults and teens who tolerate benzoyl peroxide, and for anyone seeking a fragrance-free, non-comedogenic wash formulated to help clear existing spots while minimizing new breakouts. If you have very dry or highly reactive skin, introduce slowly and consult a dermatologist for personalized advice.

Ingredients

WATER, GLYCERIN, PROPYLENE GLYCOL, COCAMIDOPROPL HYDROXYSULTAINE, SODIUM C14-16 OLEFIN SULFONATE, XANTHAN GUM, POTASSIUM HYDROXIDE, SODIUM CHLORIDE, SODIUM CITRATE, NIACINAMID, 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