Is HC Yellow No. 18 safe in cosmetics?
HC Yellow No. 18 has a safety rating of "POOR" in our database. EU status: prohibited. US status: permitted.
POOR
Cosmetic Ingredient
HC Yellow No. 18
INCI: HC YELLOW NO. 18
HC Yellow No. 18 (CAS | HC Yellow No. 18) is a cosmetic cosmetic ingredient functioning as Hair dye. EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS | HC Yellow No. 18 →
Function
Hair dye
Editorial assessment
POOR
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
prohibited
US US Status
permitted
US Notes
Likely permitted under coal-tar hair dye exemption — verify with FDA
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for HC Yellow No. 18.
Calculate MoS for your specific formulation with the MoS Calculator.
Editorial summary
Preliminary editorial summary for HC Yellow No. 18 — not a computed safety verdict. See the sourced toxicological data above.
Frequently Asked Questions
Is HC Yellow No. 18 allowed in the EU?
HC Yellow No. 18 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does HC Yellow No. 18 do in cosmetics?
HC Yellow No. 18 functions as: Hair dye. It is classified as a cosmetic ingredient in our database. CAS number: | HC Yellow No. 18.
Compliance Tools
Check HC Yellow No. 18 compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Related Ingredients
Acrylates/Vinyl Neodecanoate Crosspolymer
EXCELLENT
Same category
Emulsion stabilising, film forming
Adipic Acid
EXCELLENT
Same category
Buffering
Aluminum Magnesium Oxide
EXCELLENT
Same category
Absorbent, bulking agent, opacifying ...
Ammonium VA/Acrylates Copolymer
EXCELLENT
Same category
Antistatic, binding, film forming, ha...
Ammonium VA/Crotonic Acid Copolymer
EXCELLENT
Same category
Antistatic, film forming, hair fixing...
Aphanothece Sacrum Polysaccharide
EXCELLENT
Same category
Absorbent, emulsion stabilising, film...
1,2,4-Benzenetriacetate
POOR
Similar safety
Hair dye precursor (triacetyl ester o...
1,2,4-Trihydroxybenzene
POOR
Similar safety
Hair colorant (auto-oxidative dye)
1,4-Butanediol
POOR
Similar safety
Solvent, humectant, viscosity control...
1-Nitropropane
POOR
Similar safety
None in cosmetics - industrial solven...
2,3-Epoxypropyl Cocodimonium Chloride
POOR
Similar safety
Antistatic / hair conditioning agent ...
2,3-Epoxypropyl Lauryldimonium Chloride
POOR
Similar safety
Antistatic / hair conditioning agent ...
HC Blue No. 10
MODERATE
Browse nearby
Hair dyeing (direct / semi-permanent ...
HC Blue No. 11
MODERATE
Browse nearby
Hair dyeing (direct/semi-permanent ni...
HC Blue No. 12
MODERATE
Browse nearby
Hair dyeing (direct / semi-permanent ...
Is HC Yellow No. 18 in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for HC Yellow No. 18 in your formulation.