7
Shared Ingredients
La Roche-Posay Effaclar Dermatological Acne Treatment System vs La Roche-Posay Effaclar K
Comparing La Roche-Posay Effaclar Dermatological Acne Treatment System versus La Roche-Posay Effaclar K — shared ingredients, unique components, comedogenic & irritancy ratings and unique benefits.
Comparison Overview
Product 1
La Roche-Posay Effaclar Dermatological Acne Treatment System
vs
Product 2
La Roche-Posay Effaclar K
33
Unique to La Roche-Posay Effaclar Dermatological Acne Treatment System
18
Unique to La Roche-Posay Effaclar K
La Roche-Posay Effaclar Dermatological Acne Treatment System 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 7 ingredients in common. La Roche-Posay Effaclar Dermatological Acne Treatment System has 33 unique ingredients while La Roche-Posay Effaclar K has 18.
Skin Safety Profile
6%
Comedogenic
17 rated
86%
Safe
37 rated
32%
Irritant
34 rated
Based on 37 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 (7)
1
Ingredients — Unique to La Roche-Posay Effaclar Dermatological Acne Treatment System
Isostearyl AlcoholCSIRGlycerinCSIRCarbomerCSIRPotassium HydroxideCSIRTocopheryl AcetateCSIRAcrylates/C10-30 Alkyl Acrylate CrosspolymerCSIREpilobium Angustifolium Flower/Leaf/Stem ExtractCSIRSodium Laureth SulfateCSIRDecyl GlucosideCSIRSodium ChlorideCSIRCoco-BetaineCSIRPeg-150 Pentaerythrityl TetrastearateCSIRHexylene GlycolCSIRPeg-6 Caprylic/Capric GlyceridesCSIRZinc GluconateCSIRTetrasodium EDTACSIRPolyquaternium-47CSIRMentholCSIRCitric AcidCSIRAlcohol Denat.CSIRPropanediolCSIRGlycolic AcidCSIRCapryloyl GlycineCSIRPhenoxyethanolCSIRBenzyl AlcoholCSIRPpg-26-Buteth-26CSIRPeg-40 Hydrogenated Castor OilCSIRTremella Fuciformis PolysaccharideCSIROphiopogon Japonicus Root ExtractCSIRScutellaria Baicalensis Root ExtractCSIRForm of vitamin ECSIRMonkey grass root extractCSIRChinese skullcapCSIR
2
Ingredients — Unique to La Roche-Posay Effaclar K
Propylene GlycolCSIROctyldodecanolCSIRDimethiconeCSIRPeg-100 StearateCSIRGlyceryl StearateCSIRSalicylic AcidCSIRAmmonium Polyacryloyldimethyl TaurateCSIRZinc PCACSIRSarcosineCSIRSilica SilylateCSIRPerliteCSIRCarnosineCSIRXanthan GumCSIRAcrylates CopolymerCSIRCetyl AlcoholCSIRTocopherolCSIRParfumCSIRVitamin ECSIR
Frequently Asked Questions
Is La Roche-Posay Effaclar Dermatological Acne Treatment System better than La Roche-Posay Effaclar K for sensitive skin?
By comparing Effaclar Dermatological Acne Treatment 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 Dermatological Acne Treatment System or Effaclar K, is safer for acne-prone skin?
The comparison tool highlights comedogenic (pore-clogging) ingredients in both Effaclar Dermatological Acne Treatment System and Effaclar K. Review the comedogenic ratings above to see which formulation is less likely to cause breakouts.
Do Effaclar Dermatological Acne Treatment System and Effaclar K share any ingredients?
Our ingredient analysis matrix lists all shared ingredients as well as those unique to either Effaclar Dermatological Acne Treatment System or Effaclar K.
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