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Data: Limited

Steareth 21

  • Products with the EWG VERIFIED mark have met the program’s impurity and use restrictions based on EWG's review of the company's data.

IMAGE SOURCE: PubChem

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Other Concerns

Use restrictions (low), Non-reproductive organ system toxicity (low), Irritation (skin, eyes, or lungs) (low), and Contamination concerns (high)

SYNONYMS

● PEG-21 STEARYL ETHER
● POLYETHYLENE GLYCOL (21) STEARYL ETHER
● POLYOXYETHYLENE (21) STEARYL ETHER
● STEARETH-21

Restricted

Restricted: EWG VERIFIED products cannot contain this ingredient without adequate substantiation


Steareth-21 is a surfactant composed of polyethylene glycol polymer and stearyl alcohol.

Common concerns

See how this product scores for common concerns.

  • LOW
    Cancer
  • LOW
    Allergies & Immunotoxicity
  • LOW
    Developmental and Reproductive Toxicity
  • LOW
    Use Restrictions

Ingredient concerns

  • CONCERNS
  • DATA SOURCES

Products with this Ingredient

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hair color and bleaching44 products
brow liner43 products
moisturizer40 products
facial moisturizer/treatment29 products
mascara26 products
daily use with SPF23 products
hair styling aide21 products
mask16 products
facial cleanser10 products
hand cream9 products
exfoliant/scrub8 products
around-eye cream8 products
styling gel/lotion7 products
styling mousse/foam7 products
conditioner6 products
antiperspirant/deodorant5 products
serums & essences5 products
eye liner4 products
foot moisturizer4 products
BB cream3 products
after shave3 products
bronzer/highlighter2 products
recreational sunscreen2 products
body firming lotion2 products
hair treatment/serum2 products
foundation2 products
anti-aging2 products
foot odor control1 products
makeup primer1 products
shaving cream1 products
body wash/cleanser1 products
depilatory1 products
1 products
eyelash glue1 products
sunless tanning1 products
antiperspirant/deodorant (men's)1 products
damaged skin treatment1 products
shampoo1 products

Contamination concerns

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Organ system toxicity (non-reproductive)

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CONCERN REFERENCE
Limited evidence of sense organ toxicityScorecard.org Toxicity Information
Classified as not expected to be potentially toxic or harmfulEnvironment Canada Domestic Substance List

Use restrictions

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CONCERN REFERENCE
Determined safe for use in cosmetics, subject to concentration or use limitations - Safe for use in cosmetics with some qualificationsCosmetic Ingredient Review Assessments

Irritation (skin, eyes, or lungs)

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CONCERN REFERENCE
any irritation - weight of evidence unknown/unassessedOpen scientific literature

Ecotoxicology

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CONCERN REFERENCE
Suspected to be an environmental toxinEnvironment Canada Domestic Substance List

Multiple, additive exposure sources

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CONCERN REFERENCE
Designated as safe for general or specific, limited use in foodFDA Food Additive Status

Persistence and bioaccumulation

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CONCERN REFERENCE
Not suspected to be persistentEnvironment Canada Domestic Substance List
Not suspected to be bioaccumulativeEnvironment Canada Domestic Substance List

Data gaps

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CONCERN REFERENCE
38 studies in PubMed science library may include information on the toxicity of this chemicalNLM PubMed
  • ED (Environmental Defense). 2006. Scorecard _ The Pollution Information Site. http://www.scorecard.org.
  • EC (Environment Canada). 2008. Domestic Substances List Categorization. Canadian Environmental Protection Act (CEPA) Environmental Registry.
  • CIR (Cosmetic Ingredient Review). 2006. CIR Compendium, containing abstracts, discussions, and conclusions of CIR cosmetic ingredient safety assessments. Washington DC.
  • Open scientific/peer reviewed literature
  • FDA (U.S. Food and Drug Administration) 2006. Food Additive Status List. Downloaded from http://www.cfsan.fda.gov/%7Edms/opa-appa.html, Oct 16, 2006.
  • NLM (National Library of Medicine). 2012. PubMed online scientific bibliography data. http://www.pubmed.gov.

Understanding scores

Cosmetics and personal care products are not required to be tested for safety before being allowed on the market. The Skin Deep® scoring system was designed to help the public understand whether a product is safe to use or whether it contains ingredients of concern.

Every product and ingredient in Skin Deep gets a two-part score – one for hazard and one for data availability. The safest products score well by both measures, with a low hazard rating and a fair or better data availability rating.

HOW WE DETERMINE SCORES

Hazard score

The Skin Deep ingredient hazard score, from 1 to 10, reflects known and suspected hazards linked to the ingredients. The EWG VERIFIED® mark means a product meets EWG’s strictest criteria for transparency and health.

Score legend

Data availability

The Skin Deep data availability rating reflects the number of scientific studies about the product or ingredient in the published scientific literature.

NONE LIMITED FAIR GOOD ROBUST
Low Availability
Moderate Availability
High Availability

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