Polyamide-4

INCI: POLYAMIDE-4

CAS Number
Not confirmed in cosmetic databases (industrial Nylon-4 CAS 24938-56-5 may differ from cosmetic-grade INCI entry)
Function
Film forming / bulking
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not specifically restricted by FDA

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Very limited cosmetic use history; verify supplier specifications for cosmetic-grade purity and residual monomer levels.

โš ๏ธ
Concern Level: Moderate

Frequently Asked Questions

Is Polyamide-4 safe in cosmetics?

Very limited cosmetic use history; verify supplier specifications for cosmetic-grade purity and residual monomer levels. The EU classifies Polyamide-4 as "permitted". Safety rating: MODERATE.

Is Polyamide-4 allowed in the EU?

Polyamide-4 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polyamide-4 do in cosmetics?

Polyamide-4 functions as: Film forming / bulking. It is classified as a cosmetic ingredient in our database. CAS number: Not confirmed in cosmetic databases (industrial Nylon-4 CAS 24938-56-5 may differ from cosmetic-grade INCI entry).

What is the Margin of Safety for Polyamide-4?

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.

๐Ÿ“ฑ

Is Polyamide-4 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 Polyamide-4 in your formulation.