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La Roche-Posay

Mela B3 Serum

Serum · $0.00
Suits
Oily, Combination
Pore-clogging
Very low
Use when
AM & PM
Recognised
21/32
What's doing the work
Where it goes

After cleansing, before moisturiser.

☀️ MORNING · 🌙 EVENING
Don't layer with
Retinol — because this contains Salicylic Acid.
Glycolic Acid — because this contains Salicylic Acid.
Benzoyl Peroxide — because this contains Salicylic Acid.
Vitamin C — because this contains Retinyl Palmitate.
AHA — because this contains Retinyl Palmitate.
BHA — because this contains Retinyl Palmitate.

Using them in the same routine is usually fine — it's applying them together, in one layer, that causes the problem. Check against your own routine →

How much is actually in here

Ingredients above 1% must be listed in order of weight; below that they can be listed in any order. Phenoxyethanol sits at #30 and is used at well under 1%, so roughly everything after it is present in small amounts.

How confident is this
high confidence

We recognised 21 of 32 ingredients, including the ones near the top of the list where concentration is highest. Ingredient list taken from the brand's own product page and checked on 2026-09-04. Formulations change — check the pack if it matters.

See all 32 ingredients (21 recognised)
WaterDimethiconeNiacinamideGlycerinPropylene GlycolPolysilicone-11SilicaBis-PEG/Ppg-16/16 PEG/Ppg-16/16 DimethiconeCystoseira Tamariscifolia ExtractAmino AcidsPEG-20 Methyl Glucose SesquistearateHyaluronic AcidSodium HydroxideSodium ThiosulfateCarnosinePoloxamer 338Acrylate Polymer ThickenerDipotassium GlycyrrhizateCaprylic/Capric TriglycerideSalicylic AcidCaprylyl GlycolCitric AcidDisodium EDTAXanthan GumPentylene GlycolOctyldodecanolRetinyl PalmitateVitamin EPentaerythrityl Tetra-Di-T-Butyl HydroxyhydrocinnamatePhenoxyethanolRed 33Fragrance

Using something else? Check it against your own skin.

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