Moderate Cosmetic Ingredient NOAEL Data

Hexamethylene Bis-hydroxystearamide

INCI: HEXAMETHYLENE BIS-HYDROXYSTEARAMIDE

CAS Number
55349-01-4
Function
Hair conditioning, humectant, skin conditioning
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no specific CFR restriction

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

2 study endpoints found for Hexamethylene Bis-hydroxystearamide. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL >=1000 mg/kg bw/day oral rat oral REACH
NOAEL >=1000 mg/kg bw/day oral - oral REACH

Expert Verdict

H317 skin sensitization flag (25.2% of notifications) and H413 aquatic chronic toxicity flag (33.7%); no CIR or SCCS full review identified; batch-dependent impurity profiles may influence sensitization potential.

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Hexamethylene Bis-hydroxystearamide safe in cosmetics?

H317 skin sensitization flag (25.2% of notifications) and H413 aquatic chronic toxicity flag (33.7%); no CIR or SCCS full review identified; batch-dependent impurity profiles may influence sensitization potential. The EU classifies Hexamethylene Bis-hydroxystearamide as "permitted". Safety rating: MODERATE. 2 toxicological study endpoint(s) are available in our database.

Is Hexamethylene Bis-hydroxystearamide allowed in the EU?

Hexamethylene Bis-hydroxystearamide EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Hexamethylene Bis-hydroxystearamide do in cosmetics?

Hexamethylene Bis-hydroxystearamide functions as: Hair conditioning, humectant, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 55349-01-4.

What is the Margin of Safety for Hexamethylene Bis-hydroxystearamide?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

What is the NOAEL for Hexamethylene Bis-hydroxystearamide?

The NOAEL (No Observed Adverse Effect Level) for Hexamethylene Bis-hydroxystearamide is >=1000 mg/kg bw/day based on a oral study via oral route in rat. A total of 2 study endpoints are available. Source: REACH.

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