Pentapeptide-17

INCI: PENTAPEPTIDE-17

CAS Number
959610-30-1 (as Myristoyl Pentapeptide-17)
Function
Skin conditioning, eyelash care, anti-aging, anti-inflammatory
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not restricted; CIR has reviewed pentapeptide ingredients and concluded safe at present practices of use

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Limited standalone toxicological data on the free pentapeptide-17 form; most safety data is on the myristoyl conjugate.

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Concern Level: Low

Frequently Asked Questions

Is Pentapeptide-17 safe in cosmetics?

Limited standalone toxicological data on the free pentapeptide-17 form; most safety data is on the myristoyl conjugate. The EU classifies Pentapeptide-17 as "permitted". Safety rating: GOOD.

Is Pentapeptide-17 allowed in the EU?

Pentapeptide-17 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Pentapeptide-17 do in cosmetics?

Pentapeptide-17 functions as: Skin conditioning, eyelash care, anti-aging, anti-inflammatory. It is classified as a cosmetic ingredient in our database. CAS number: 959610-30-1 (as Myristoyl Pentapeptide-17).

What is the Margin of Safety for Pentapeptide-17?

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.

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