Microbial contamination

Stop use

Germs in spoiled cosmetics — stop use if smell, texture or recall flags change.

Main concern: Eye-area infection risk is especially serious; smell alone cannot rule contamination out.

Do now: Discard changed products; keep batch details if a recall applies.

High severityModerate confidenceModerate confidence evidence

Last reviewed 17 Aug 2026

Moderate confidence1 source Reviewed 17 Aug 2026OuterDerm fact-check deskModerate confidence · 1 source(s) on file Evidence aur sources dekhein

Five-second scan summary

What it isBacteria, yeast or mould from manufacturing or storage failure.
Where foundWater-based creams · Eye makeup and mascara · Expired products · Jars used with wet fingers
Main concernEye-area infection risk is especially serious; smell alone cannot rule contamination out.
What to doDiscard changed products; keep batch details if a recall applies.

ExplainWhat the substance is

Micro-organisms that may grow in contaminated or poorly preserved cosmetics. Contamination reflects manufacturing, storage or hygiene failure — not intentional ingredients.

Bacteria, fungus ya mould kabhi expired ya galat store kiye products mein mil sakta hai — label par likha nahi hota. Badbu, colour change ya eye-area infection par use band karein.

Label

May not appear on the ingredient list

  • Contaminants and adulterants may be absent from packaging — rely on recalls, batch notices and verified lab findings, not label absence alone.

LabelsLabel par naam check karein

Adulterants and contaminants may not appear on the label at all.

Bacterial contaminationtrade or common nameFungal contaminationtrade or common nameMouldtrade or common name
Scientific / common name
Microbial contamination
Short name
Microbes in products

WhereWhere it may be found

Not every product in these categories contains this substance. These are common contexts where exposure has been documented or reported.

Common product categories

  • Water-based creams
  • Eye makeup and mascara
  • Multuse jars
  • Expired or heat-exposed products

Typical exposure contexts

  • Expired products
  • Jars used with wet fingers
  • Products left in hot humid storage
  • Recalled batches flagged by regulators

Main exposure route: Skin and eye contact; contamination is not declared on labels

Why it appears in products
  • Not intentionally added
  • Results from inadequate preservation, water contamination or user hygiene

If usedAgar use kar chuke hain

  • Stop using the product if odour, colour or texture changed or recall guidance applies.
  • Keep the jar and batch code for reporting.
  • Do not attempt to "salvage" eye makeup after eye irritation.
  • Seek medical advice for painful eye swelling or spreading infection.

Keep the product, batch code and seller details in a sealed bag for reporting if needed.

Urgent

Seek urgent medical help if you notice

  • Painful red eye
  • Vision changes
  • Fever with spreading skin infection

OuterDerm does not diagnose reactions or prescribe treatment. Use professional care when symptoms concern you.

Report a suspected product

RiskWhen it becomes risky

  • Past expiry date
  • Visible separation or colour change
  • Eye-area products
  • Immunocompromised users

HealthHealth effects by evidence strength

moderate evidence

  • Skin and eye infections

    FDA cosmetic safety framework expects products to be free of harmful contamination under normal use; eye products carry higher infection stakes.

    Cosmetics safety and laws

Medical

Symptoms requiring medical advice

  • Painful swollen eye after mascara use
  • Spreading redness with fever
  • Open sores near application site

PopulationsPregnancy, children & workers

  • Children

    Do not share contaminated jars among children; discard expired products promptly.

    Cosmetics safety and laws

ProductsVerified product findings

OuterDerm ke paas is waqt koi reviewed product-specific finding publish karne ke liye available nahi.

AlternativesSafer alternatives

  • Replace with freshly dated product from accountable sellerproduct category

    Check expiry, avoid jar contamination, and discard changed-smell products.

UnderstandIs substance ko detail mein samjhein

RecoverAgar use kar chuke hain — ab kya karein

ReviewSources & update history

Author: OuterDerm editorial team

Reviewer: OuterDerm fact-check desk

Last reviewed: 17 Aug 2026

  • Cosmetics safety and laws — U.S. Food and Drug Administration · Accessed 2026-08-17 · United States

    Supports: Cosmetics must be safe under labeled conditions of use; contamination should be reported.