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Deal.ai › La Roche-Posay
La Roche-Posay
La Roche-Posay Effaclar Duo Acne Treatment with Benzoyl Peroxide

La Roche-Posay Effaclar Duo Acne Treatment with Benzoyl Peroxide

Best price now

$24.28at AmazonChecked Nov 8

Compared across 2 stores. Prices are checked against each store and labelled with when. As an Amazon Associate, Deal.ai earns from qualifying purchases.

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Price facts

  • Last seen at $24.28 at Amazon on Nov 8.
  • Checked at 2 stores.

Our take on the La Roche-Posay Effaclar Duo Acne Treatment with Benzoyl Peroxide

Effaclar Duo is a benzoyl peroxide spot treatment from La Roche-Posay, sold in a 0.7 oz tube. It pairs benzoyl peroxide with the brand's thermal spring water and is meant for inflammatory acne: papules, pustules and blackheads. Reviewers like that it calms active breakouts fast and layers well under moisturizer and sunscreen. It is stronger and more drying than salicylic-acid-only treatments, so it suits oily and acne-prone skin more than sensitive or dry skin.

Best forOily and acne-prone skinInflamed pimples and pustulesSpot treating active breakoutsPeople who already tolerate benzoyl peroxide
Pros
  • Benzoyl peroxide targets inflammatory acne, not just surface oil
  • Thin cream absorbs quickly and sits well under moisturizer
  • Fragrance-free formula from a dermatologist-recommended brand
  • Small tube lasts a while when used as a spot treatment
  • Works alongside a gentle cleanser and non-comedogenic moisturizer
Cons
  • Benzoyl peroxide bleaches towels, pillowcases and clothing
  • Can dry and irritate skin, especially at first
  • Not for sensitive or already-dry skin without buffering
  • Needs consistent daily use; results take weeks
  • Some users report stinging on broken skin

La Roche-Posay Effaclar Duo Acne Treatment with Benzoyl Peroxide prices at every store

  • AmazonNew

    Availability unknown

    As an Amazon Associate, Deal.ai earns from qualifying purchases.

    $24.28Checked Nov 8
    Visit Amazon
  • MercariNew

    Availability unknown

    $30.68Free shippingChecked Nov 8
    Visit Mercari

La Roche-Posay Effaclar Duo Acne Treatment with Benzoyl Peroxide price history

Lowest price we've seen: $24.28 on Nov 9 at Amazon. Tracked across 2 stores since Nov 9.

What reviewers say

Owners and reviewers generally rate Effaclar Duo highly for calming inflamed breakouts and reducing redness within days. Many mention dryness and mild peeling early on, and a few find it too harsh for daily full-face use.

What people mention
  • EffectivenessPraisedUsers say it shrinks inflamed pimples and calms redness within a few days of use.
  • DrynessCriticisedMany report flaking, tightness and peeling, especially in the first weeks.
  • BleachingCriticisedOwners warn it bleaches towels, pillowcases and clothing on contact.
  • TexturePraisedReviewers like the light cream that absorbs fast and layers under moisturizer and makeup.
  • IrritationMixedSome find it stings on broken skin or is too strong for daily full-face use.

From Mercari

  • 2 X La Roche Posay Effaclar Duo Dual Action Acne Treatment 0.7oz
  • New without box
  • Free shipping from California
  • Buyer Protection: receive your item as described, or get your money back
Returns
Buyer Protection: receive your item as described, or get your money back
Shipping
Free shipping from California
Packs
2-pack
In the box
2 x La Roche Posay Effaclar Duo Dual Action Acne Treatment 0.7oz

About the La Roche-Posay Effaclar Duo Acne Treatment with Benzoyl Peroxide

This listing is for two tubes of La Roche-Posay Effaclar Duo Dual Action Acne Treatment. It is an acne treatment that contains benzoyl peroxide. Each tube holds 0.7 oz.

The items are new and come without the retail box.

Brand
La Roche-Posay
Product
Effaclar Duo Dual Action Acne Treatment
Active ingredient
Benzoyl peroxide
Size
0.7 oz per tube
Quantity
2 tubes
Condition
New, without box
Best before
2/2026
In the box
2 x Effaclar Duo Dual Action Acne Treatment, 0.7 oz

Questions and answers

How is Effaclar Duo different from salicylic acid treatments?
It uses benzoyl peroxide, which kills acne bacteria and targets inflamed pimples. Salicylic acid mainly unclogs pores. Many people use both, alternating days.
Can I use it all over my face?
It is designed as a spot treatment on active breakouts. Full-face use suits oily skin that already tolerates benzoyl peroxide; start with a thin layer every other night.
Will it bleach my clothes and bedding?
Yes. Benzoyl peroxide bleaches fabric on contact. Let it dry fully and use white pillowcases, or rinse your hands after applying.
Can I use it with retinol or other actives?
Use caution. Pairing it with retinol, adapalene or strong acids raises irritation. Alternate nights or buffer with moisturizer.
Does it work on blackheads and whiteheads?
It helps with mild blackheads and whiteheads, but it is strongest on inflamed papules and pustules. Non-inflamed clogged pores may need a salicylic acid product too.
How long until I see results?
Most users notice calmer pimples within a few days. Consistent use over four to eight weeks gives the clearest improvement.
Where is the La Roche-Posay Effaclar Duo Acne Treatment with Benzoyl Peroxide cheapest?
At Amazon, for $24.28, as of our latest check.
Where can I buy the La Roche-Posay Effaclar Duo Acne Treatment with Benzoyl Peroxide?
2 stores we checked sell it, including Mercari, Amazon.

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