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proactiv Step 1 Cleanser

proactiv Proactiv Step 1 Cleanser lists 26 ingredients on its label, 25 decoded. See what each one does, its irritancy and comedogenic tendency, and its status in national inventories.

Ingredients overview

Label order. Colour is our internal rating: green routine, yellow restricted or worth a look, red prohibited or high-risk, grey not yet decoded.

Ingredients are listed in label order; the order reflects the label only, not exact concentrations.

  1. Benzoyl Peroxide
  2. Water
  3. Magnesium Aluminum Silicate
  4. Glyceryl Stearate
  5. PEG-100 Stearate
  6. Sorbitol
  7. Dimethyl Isosorbide
  8. Disodium PEG-12 Dimethicone Sulfosuccinate
  9. Tridecyl Stearate
  10. Neopentyl Glycol Dicaprylate/Dicaprate
  11. Paraffin
  12. Cetyl Esters
  13. Anthemis Nobilis Flower Extract
  14. Tridecyl Trimellitate
  15. Trisodium Sulfosuccinate
  16. PEG-12 Dimethicone
  17. Sodium Sulfate
  18. Sodium Hyaluronate
  19. Propylene Glycol
  20. Sodium PCA
  21. Xanthan Gum
  22. Phenoxyethanol
  23. Imidazolidinyl Urea
  24. Methylparaben
  25. Propylparaben
  26. Fragrance

Highlights

Free of alcoholFree of sulfatesFree of essential oilsContains PEGContains fragranceContains mineral oilContains siliconesContains formaldehyde releasersContains parabensContains EU-26 allergens

Key ingredients

OXIDISING · 限制 III
Benzoyl Peroxide
ANTIPLAQUE
Water
ABSORBENT
Magnesium Aluminum Silicate
SKIN CONDITIONING - EMOLLIENT
Glyceryl StearateTridecyl Stearate
SURFACTANT - CLEANSING
PEG-100 Stearate
HUMECTANT
Sorbitol
SOLVENT
Dimethyl Isosorbide

Other ingredients

Disodium PEG-12 Dimethicone SulfosuccinateNeopentyl Glycol Dicaprylate/DicaprateParaffinCetyl EstersAnthemis Nobilis Flower ExtractTridecyl TrimellitateTrisodium SulfosuccinatePEG-12 DimethiconeSodium SulfateSodium HyaluronatePropylene GlycolSodium PCAXanthan GumPhenoxyethanolImidazolidinyl UreaMethylparabenPropylparabenFragrance

Skim through

IngredientWhat it doesIrr. · Com.Rating
Benzoyl PeroxideOXIDISING · 限制 III/945 · –Red
WaterANTIPLAQUE, SKIN CONDITIONING, SOLVENT0 · 0Green
Magnesium Aluminum SilicateABSORBENT, ANTICAKING, OPACIFYING, VISCOSITY CONTROLLING0 · 0Green
Glyceryl StearateSKIN CONDITIONING - EMOLLIENT, SURFACTANT - EMULSIFYING0 · 0Green
PEG-100 StearateSURFACTANT - CLEANSING0 · –Green
SorbitolHUMECTANT, FRAGRANCE, SKIN CONDITIONING, PERFUMING0 · 0Green
Dimethyl IsosorbideSOLVENT, VISCOSITY CONTROLLING0 · 0Green
Disodium PEG-12 Dimethicone SulfosuccinateNot decoded yet——
Tridecyl StearateSKIN CONDITIONING - EMOLLIENT, SKIN CONDITIONING0 · 3Green
Neopentyl Glycol Dicaprylate/DicaprateSKIN CONDITIONING - EMOLLIENT, SKIN CONDITIONING0 · 0Green
ParaffinSKIN CONDITIONING, VISCOSITY CONTROLLING, PERFUMING0 · 0Green
Cetyl EstersSKIN CONDITIONING - EMOLLIENT, SKIN CONDITIONING0 · 0Green
Anthemis Nobilis Flower ExtractFRAGRANCE, SKIN CONDITIONING, PERFUMING1 · –Green
Tridecyl TrimellitateSKIN CONDITIONING - EMOLLIENT, SKIN CONDITIONING0 · 5Green
Trisodium SulfosuccinateBUFFERING, CHELATING, SURFACTANT - HYDROTROPE, SURFACTANT - CLEANSING0 · 0Green
PEG-12 DimethiconeHAIR CONDITIONING, SKIN CONDITIONING0 · 1Green
Sodium SulfateBULKING, VISCOSITY CONTROLLING0 · 0Green
Sodium HyaluronateHUMECTANT, SKIN CONDITIONING0 · 0Green
Propylene GlycolHUMECTANT, FRAGRANCE, SOLVENT, VISCOSITY CONTROLLING, SKIN CONDITIONING - HUMECTANT, SKIN CONDITIONING - MISCELLANEOUS1 · 0Green
Sodium PCAANTISTATIC, HAIR CONDITIONING, HUMECTANT, SKIN CONDITIONING– · 0Green
Xanthan GumBINDING, SURFACTANT - EMULSIFYING, EMULSION STABILISING, GEL FORMING, SKIN CONDITIONING, SURFACTANT - CLEANSING, VISCOSITY CONTROLLING0 · 0Green
PhenoxyethanolANTIMICROBIAL, PRESERVATIVE · 限制 V/291 · 0Yellow
Imidazolidinyl UreaPRESERVATIVE · 限制 V/271 · –Yellow
MethylparabenFRAGRANCE, PRESERVATIVE · 限制 V/120 · 0Yellow
PropylparabenPRESERVATIVE, PERFUMING · 限制 V/121 · 0Yellow
Fragrance矫味剂,增香剂—Yellow

Ingredients explained

Benzoyl Peroxide
Strong decolorizer/antibacterial for acne; medical use only, strictly prohibited in cosmetics.
Water
Primary solvent and base; requires preservative system to prevent microbial growth
Magnesium Aluminum Silicate
Oil-absorbing powder at 5–20%; for pressed/powder makeup, high levels may feel heavy
Glyceryl Stearate
Emulsifier at 1-3%; may require acid to prevent saponification
PEG-100 Stearate
Non-ionic emulsifier, requires ionics for stability; check PEG for formaldehyde.
Sorbitol
Polyol humectant with strong hygroscopy; tacky at high levels, pair with occlusives; also a solvent or adjuster.
Dimethyl Isosorbide
Dimethyl isosorbide as solvent and viscosity control; low toxicity, common use
Disodium PEG-12 Dimethicone Sulfosuccinate
Not decoded yet
Tridecyl Stearate
Tridecyl stearate emollient; lightweight, moderate comedogenic
Neopentyl Glycol Dicaprylate/Dicaprate
Light emollient ester for fast spreadability and a light feel.
Paraffin
Paraffin wax for occlusion/viscosity control; inert/safe, may affect breathability
Cetyl Esters
Blended cetyl esters used as emollient skin conditioning agents to provide softness and occlusion.
Anthemis Nobilis Flower Extract
Chamomile extract used for soothing; check for potential sensitizing allergens.
Tridecyl Trimellitate
Ester emollient for skin conditioning; lipophilic nature may increase comedogenicity for acne-prone skin.
Trisodium Sulfosuccinate
Trisodium sulfosuccinate, mild amphoteric surfactant; buffering and chelating, low foam and irritancy.
PEG-12 Dimethicone
Water-soluble silicone; provides slip and gloss, easily emulsified, common in hair and skin care.
Sodium Sulfate
Inorganic salt for viscosity; high concentrations cause osmotic dehydration.
Sodium Hyaluronate
Potent humectant at 0.1–2%; different MW for penetration depth, high levels may draw moisture
Propylene Glycol
Polyol humectant at 3-10%; hygroscopic, slight tackiness, mild irritation at high conc., verify preservative efficacy, no allergen.
Sodium PCA
Sodium PCA, NMF component, 1-10% humectant; salty/tacky at high levels.
Xanthan Gum
Natural thickener at 0.1–1%; provides gel texture, pH-stable, requires full hydration
Phenoxyethanol
Broad-spectrum preservative at ≤1%; may irritate sensitive eye areas, often paired with ethylhexylglycerin
Imidazolidinyl Urea
Formaldehyde releaser in preservative systems; monitor for formaldehyde and urea sensitivity issues.
Methylparaben
Preservative, narrow spectrum; often combined, check allergen risk and regulatory limits.
Propylparaben
Medium-chain preservative; restricted use, pH-sensitive efficacy.
Fragrance
Fragrance; concentration must control allergen risk, label specific components

Source: full ingredient list published on the product label, collected 2026-09-19. Ratings are our internal reading, not a regulatory conclusion. · Product page

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