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HOW WE DETERMINE SCORES Learn more About EWG VERIFIED™

Data: Fair

Cyclopentasiloxane

IMAGE SOURCE: PubChem

SEARCH PRODUCTS

Other Concerns

Neurotoxicity (low), Endocrine disruption (low), Persistence and bioaccumulation (moderate), Non-reproductive organ system toxicity (moderate), and Ecotoxicology (low)

SYNONYMS

CYCLOPENTASILOXANE, CYCLOPENTASILOXANE, DECAMETHYL-, DECAMETHYL- CYCLOPENTASILOXANE, and DECAMETHYLCYCLOPENTASILOXANE

Cyclopentasiloxane (cyclomethicone) is a silicon-based cyclic compound; may be associated with environmental toxicity.

Common concerns

See how this product scores for common concerns.

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

Ingredient concerns

  • CONCERNS
  • DATA SOURCES

Products with this Ingredient

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foundation1311 products
concealer675 products
lipstick523 products
antiperspirant/deodorant338 products
eye shadow336 products
eye liner263 products
daily use with SPF166 products
hair treatment/serum164 products
conditioner157 products
lip liner140 products
facial moisturizer/treatment139 products
antiperspirant/deodorant (men's)134 products
moisturizer122 products
makeup primer119 products
blush107 products
brow liner94 products
recreational sunscreen90 products
CC cream82 products
lip gloss67 products
BB cream66 products
mask54 products
serums & essences51 products
hair styling aide51 products
mascara50 products
bronzer/highlighter50 products
hair spray44 products
around-eye cream42 products
shampoo42 products
makeup remover32 products
hand cream31 products
anti-aging25 products
25 products
styling gel/lotion20 products
lip balm with SPF20 products
eye makeup remover17 products
detangler16 products
lip balm13 products
sunless tanning11 products
body firming lotion10 products
facial powder10 products
facial cleanser10 products
baby sunscreen10 products
styling mousse/foam9 products
body oil7 products
hair color and bleaching5 products
after shave5 products
toners/astringents5 products
beard oil5 products
exfoliant/scrub4 products
baby oil4 products
foot moisturizer4 products
body wash/cleanser4 products
bath oil/salts/soak4 products
setting powder/spray4 products
cuticle treatment3 products
oil controller2 products
shaving cream (men's)2 products
nail treatment2 products
skin fading/lightener2 products
baby lotion2 products
fragrance for women2 products
beard care2 products
body art2 products
body spray1 products
glitter1 products
after sun product1 products
tanning oil1 products
other eye makeup1 products
shaving cream1 products
hair removal waxes1 products

Persistence and bioaccumulation

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CONCERN REFERENCE
Persistent, bioaccumulative in wildlifeCanada PBTs - Accelerated Reduction/Elimination of Toxics (ARET)

Organ system toxicity (non-reproductive)

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CONCERN REFERENCE
Classified as expected to be toxic or harmfulEnvironment Canada Domestic Substance List

Cancer

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CONCERN REFERENCE
One or more animal studies show tumor formation at moderate dosesOpen scientific literature

Neurotoxicity

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CONCERN REFERENCE
One or more animal studies show any effects at moderate dosesOpen scientific literature

Endocrine disruption

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CONCERN REFERENCE
One or more animal studies show endocrine disruption at moderate dosesOpen scientific literature

Ecotoxicology

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CONCERN REFERENCE
Suspected to be an environmental toxin and be persistent or bioaccumulativeEnvironment Canada Domestic Substance List
Suspected to be an environmental toxinEnvironment Canada Domestic Substance List

Data gaps

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CONCERN REFERENCE
119 studies in PubMed science library may include information on the toxicity of this chemicalNLM PubMed

Informational

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CONCERN REFERENCE
Industry or government recommendations for safe use: restrictions on concentration, impurities, product types, or manufacturing methods - anyCosmetic Ingredient Review Assessments
  • EC (Environment Canada). 1994. Accelerated Reduction/Elimination of Toxics (ARET). ARET substance list of persistent, bioaccumulative and toxic chemicals.
  • EC (Environment Canada). 2008. Domestic Substances List Categorization. Canadian Environmental Protection Act (CEPA) Environmental Registry.
  • Open scientific/peer reviewed literature
  • NLM (National Library of Medicine). 2012. PubMed online scientific bibliography data. http://www.pubmed.gov.
  • CIR (Cosmetic Ingredient Review). 2006. CIR Compendium, containing abstracts, discussions, and conclusions of CIR cosmetic ingredient safety assessments. Washington DC.

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
WEIGHT-OF-EVIDENCE APPROACH

A product’s hazard score is not an average of the ingredients’ hazard scores. It is calculated using a weight-of-evidence approach that factors in all of the hazards or health impacts associated with the ingredients.

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
NONE

Ingredients have not been assessed.

LIMITED-FAIR

There is only a modest volume of research.

GOOD-ROBUST

Ingredients have been studied extensively.

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