What Works Skin — Independent · Evidence-First · Ad-FreeIssue 014 · 20 April 2026 · Next: 04 Maywhatworksskin.com

Product · Cleanser · Foaming · Acne

P. 19 · REVIEW

La Roche-Posay · Cleansers

Effaclar Purifying Foaming Gel.

the oily-skin foaming default.

LRP's foaming gel for oily and acne-prone skin: trace salicylic acid, zinc PCA, thermal-water carrier. Cleans deeper than Cetaphil without the post-wash tightness most acne cleansers leave behind.

— § 01

The scorecard.

Surfactant gentleness
Mild surfactant blend; just below CeraVe Foaming on dryness.
21⁄25
Acne-supportive actives
Trace SA + zinc PCA give a real (small) anti-comedonal nudge.
21⁄25
pH alignment
5.5 — preserves the acid mantle.
22⁄25
Value
₹ 1,150 is steep; CeraVe Foaming costs ~20% less.
16⁄25

— § 03

When to reach for it.

  • Mild-to-moderate acne

    PM cleanse before adapalene or BPO. Sets a clean canvas.

  • Oily combination skin

    Daily AM workhorse — cuts overnight sebum without stripping.

  • Post-mask cleanup

    After clay or sulfur masks, restores skin neutral without re-strip.

— § 05

Frequently asked.

Is the salicylic acid actually working?

At rinse-off contact-time of 30-60 seconds, expect a 5-10% adjunctive benefit on comedone counts vs a placebo wash. The leave-on Paula's Choice 2% BHA is the actual treatment.

Will it irritate skin already on tretinoin?

Usually no — but if you're 4-6 weeks into tret and peeling, switch to Toleriane Hydrating for a fortnight, then return.

Effaclar Gel vs Effaclar Duo — same family?

Same family; gel is the cleanser, Duo is the leave-on treatment. Use them together, not one or the other.

Pregnancy-safe?

Yes — SA is rinse-off and at trace dose. Far below systemic-absorption thresholds. Dermatology pregnancy guidelines list rinse-off SA cleansers as acceptable.

— § 06

Sources consulted.

  1. REVIEWKornhauser A et al. Salicylic acid in acne. Cosm Toiletries 2011.On /sources →
  2. REVIEWKligman AM, Mills OH. Acne cosmetica and acne mechanica. JAAD 1972.On /sources →
  3. REVIEWChularojanamontri L et al. Moisturizers for acne. Indian J Dermatol 2014.On /sources →
  4. MFR DATALRP Effaclar dossier, in vivo seborrhea data. 2022.On /sources →