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One of One by C'est Moi Think Twice Duel Eyeliner, Black Eye/Let Me Teal You

EWG scientists reviewed the One of One by C'est Moi Think Twice Duel Eyeliner, Black Eye/Let Me Teal You product label collected on October 19, 2020 for safety according to the methodology outlined in our Skin Deep Cosmetics Database. We assess the ingredients listed on the labels of personal care products based on data in toxicity and regulatory databases, government and health agency assessments and the open scientific literature. One of One by C'est Moi Think Twice Duel Eyeliner, Black Eye/Let Me Teal You is EWG VERIFIED™.

Data last updated: October 2020

Ingredient Concerns

Cancer

Cancer concern is LOW

Developmental & Reproductive Toxicity

Developmental & reproductive toxicity concern is LOW

Allergies & Immunotoxicity

Allergies & immunotoxicity concern is LOW

Use Restrictions

Allergies & immunotoxicity concern is LOW

Other Ingredient Concerns

HIGH
  • Persistence and bioaccumulation
MODERATE
  • Multiple, additive exposure sources
  • Organ system toxicity (non-reproductive)
LOW
  • Enhanced skin absorption
  • Ecotoxicology
  • Irritation (skin, eyes, or lungs)
  • Occupational hazards
Learn more About
Ingredient Concerns
Score Data Availability Ingredient Concern
Fair

• Persistence and bioaccumulation (high)
• Non-reproductive organ system toxicity (low)

Fair
CI 77499
Appeared as: IRON OXIDES (CI 77491

• Enhanced skin absorption
• Persistence and bioaccumulation (high)
• Non-reproductive organ system toxicity (low)

Limited

Limited

Use restrictions (meets restrictions and warnings based on EWG review of company data)
• Non-reproductive organ system toxicity (low)
• Irritation (skin, eyes, or lungs) (low)

Fair

Limited

Limited

• Non-reproductive organ system toxicity (moderate)
• Irritation (skin, eyes, or lungs) (low)

Good
SILICA, AMORPHOUS
Appeared as: SILICA

• Persistence and bioaccumulation (high)
• Non-reproductive organ system toxicity (low)

None

Fair

• Multiple, additive exposure sources (low)
Contamination concerns (meets restrictions and warnings based on EWG review of company data)

Limited

• Allergies/immunotoxicity (low)
• Multiple, additive exposure sources (low)

Limited

None

• Non-reproductive organ system toxicity (moderate)

Limited

• Persistence and bioaccumulation (moderate)

Good
TITANIUM DIOXIDE
Appeared as: TITANIUM DIOXIDE (CI 77891)

• Cancer (moderate)
• Non-reproductive organ system toxicity (moderate)
• Occupational hazards (high)

Fair
FERRIC FERROCYANIDE
Appeared as: FERRIC FERROCYANIDE (CI 77510)

Use restrictions (meets restrictions and warnings based on EWG review of company data)
• Non-reproductive organ system toxicity (moderate)
• Ecotoxicology (low)

Product's Animal Testing Policies

Some cosmetics companies have taken People for the Ethical Treatment of Animals and Leaping Bunny animal-testing pledges. For consumers who are concerned about companies’ policies on animal testing, Skin Deep reports this information.

Unknown

Leading international certifiers PETA and Leaping Bunny have no information concerning this company’s use of animal testing.

Product's Label Information

Ingredients from packaging:

/INGR DIENTS: Hydrogenated Polyisobutene, Isododecane, Synthetic Wax, Mica, Polymethylsilsesquioxane, Polybutene, Silica, Hydrogenated Polydicyclopentadiene, Oryza Sativa (Rice) Bran Wax, Hydrogenated Castor Oil, Synthetic Beeswax, Ethylene/Propylene Copolymer, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, May Contain/Peut contenir (+/-): Titanium Dioxide (CI 77891), Iron Oxides (CI 77491, CI 77492, CI 77499), Ferric Ferrocyanide (CI 77510).

Directions from packaging:

Line your lash line, waterline or take your designs to another dimension by coloring outside the lines.

ABOUT THE SKIN DEEP® RATINGS

EWG provides information on personal care product ingredients from the published scientific literature, to supplement incomplete data available from companies and the government. The ratings below indicate the relative level of concern posed by exposure to the ingredients in this product - not the product itself - compared to other product formulations. The ratings reflect potential health hazards but do not account for the level of exposure or individual susceptibility, factors which determine actual health risks, if any. Learn more | Legal Disclaimer

ABOUT EWG VERIFIED™

Beyond providing Skin Deep® as an educational tool for consumers, EWG offers its EWG VERIFIED™ mark as a quick and easily identifiable way of conveying personal care products that meet EWG's strict health criteria. Before a company can use EWG VERIFIED™ on such products, the company must show that it fully discloses the products' ingredients on their labels or packaging, they do not contain EWG ingredients of concern, and are made with good manufacturing practices, among other criteria. Note that EWG receives licensing fees from all EWG VERIFIED™ member companies that help to support the important work we do. Learn more | Legal Disclaimer