12
Shared Ingredients
La Roche-Posay Effaclar 3 Step Anti Blemish System vs La Roche-Posay Effaclar K
Comparing La Roche-Posay Effaclar 3 Step Anti Blemish System versus La Roche-Posay Effaclar K — shared ingredients, unique components, comedogenic & irritancy ratings and unique benefits.
Comparison Overview
30
Unique to La Roche-Posay Effaclar 3 Step Anti Blemish System
13
Unique to La Roche-Posay Effaclar K
La Roche-Posay Effaclar K has a lower comedogenic rating, making it the safer pick for acne-prone skin. La Roche-Posay Effaclar K scores lower on irritancy, which may suit sensitive skin better. Both products share 12 ingredients in common. La Roche-Posay Effaclar 3 Step Anti Blemish System has 30 unique ingredients while La Roche-Posay Effaclar K has 13.
Skin Safety Profile
19%
Comedogenic
26 rated
95%
Safe
41 rated
26%
Irritant
39 rated
Based on 41 rated ingredient s
7%
Comedogenic
15 rated
96%
Safe
24 rated
22%
Irritant
23 rated
Based on 24 rated ingredient s
Ingredient Analysis Matrix
Scale 1 2 3 4 5 low → high
C = Comedogenic S = Safety risk IR = Irritancy
Shared Ingredients (12)
1
Ingredients — Unique to La Roche-Posay Effaclar 3 Step Anti Blemish System
Sodium Laureth SulfateCSIRPeg-8CSIRCoco-BetaineCSIRHexylene GlycolCSIRSodium ChlorideCSIRPeg-120 Methyl Glucose DioleateCSIRCaprylyl GlycolCSIRCitric AcidCSIRSodium BenzoateCSIRPhenoxyethanolCSIRAlcohol Denat.CSIRGlycerinCSIRSodium CitrateCSIRIsocetyl StearateCSIRNiacinamideCSIRIsopropyl Lauroyl SarcosinateCSIRMethyl Methacrylate CrosspolymerCSIRPotassium Cetyl PhosphateCSIRSorbitan OleateCSIRGlyceryl Stearate SeCSIRIsohexadecaneCSIRMyristyl MyristateCSIR2-Oleamido-1,3-octadecanediolCSIRAluminum Starch OctenylsuccinateCSIRMannoseCSIRPoloxamer 338CSIRVitreoscilla FermentCSIRPolysorbate 80CSIRAcrylamide/Sodium Acryloyldimethyltaurate CopolymerCSIRPiroctone OlamineCSIR
Frequently Asked Questions
Is La Roche-Posay Effaclar 3 Step Anti Blemish System better than La Roche-Posay Effaclar K for sensitive skin?
By comparing Effaclar 3 Step Anti Blemish System and Effaclar K side-by-side, you can identify which product has fewer irritants and a better safety profile for sensitive skin. Check the irritancy ratings in the comparison matrix above.
Which product, Effaclar 3 Step Anti Blemish System or Effaclar K, is safer for acne-prone skin?
The comparison tool highlights comedogenic (pore-clogging) ingredients in both Effaclar 3 Step Anti Blemish System and Effaclar K. Review the comedogenic ratings above to see which formulation is less likely to cause breakouts.
Do Effaclar 3 Step Anti Blemish System and Effaclar K share any ingredients?
Our ingredient analysis matrix lists all shared ingredients as well as those unique to either Effaclar 3 Step Anti Blemish System or Effaclar K.
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