Quaternium-51

INCI: QUATERNIUM-51

CAS Number
56488-68-3
Function
Antistatic, skin conditioning
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted for cosmetic use

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Ensure supplier provides nitrosamine-free certification; otherwise considered low-risk

โš ๏ธ
Concern Level: Low

Frequently Asked Questions

Is Quaternium-51 safe in cosmetics?

Ensure supplier provides nitrosamine-free certification; otherwise considered low-risk The EU classifies Quaternium-51 as "permitted". Safety rating: GOOD.

Is Quaternium-51 allowed in the EU?

Quaternium-51 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Quaternium-51 do in cosmetics?

Quaternium-51 functions as: Antistatic, skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 56488-68-3.

What is the Margin of Safety for Quaternium-51?

adequate 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.

๐Ÿ“ฑ

Is Quaternium-51 in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Quaternium-51 in your formulation.