Good UV Filter / Sunscreen NOAEL Data Dermal Penetration

Polysilicone-15

INCI: POLYSILICONE-15

CAS Number
207574-74-1
Function
UVB filter (280-320 nm, peak 312 nm)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted

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.

Toxicological Studies

1 study endpoint found for Polysilicone-15. 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
LOAEL 60 mg/kg bw/day oral rat Subchronic COSMOS_DB

Dermal Penetration Profile

Skin absorption and penetration characteristics of Polysilicone-15, relevant to systemic exposure and MoS calculations.

Absorption %
0.5-2%
Penetration Level
surface
Penetration Depth
stratum corneum
Molecular Weight
Variable Da
Log P
7.5
Systemic Absorption
minimal
Topical Bioavailability
0.2-1%
Safety Margin Factor
minimal
Vehicle Dependent
Yes โ€” absorption varies by formulation

Source: SCCS Opinion

Expert Verdict

Good safety profile with negligible skin penetration; generally considered safe for cosmetic use.

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Concern Level: Low

Regulatory Flags

eu_cosing_listed

Frequently Asked Questions

Is Polysilicone-15 safe in cosmetics?

Good safety profile with negligible skin penetration; generally considered safe for cosmetic use. The EU classifies Polysilicone-15 as "permitted". Safety rating: GOOD. 1 toxicological study endpoint(s) are available in our database.

Is Polysilicone-15 allowed in the EU?

Polysilicone-15 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Polysilicone-15 do in cosmetics?

Polysilicone-15 functions as: UVB filter (280-320 nm, peak 312 nm). It is classified as a UV Filter / Sunscreen in our database. CAS number: 207574-74-1.

What is the Margin of Safety for Polysilicone-15?

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.

What is the NOAEL for Polysilicone-15?

The NOAEL (No Observed Adverse Effect Level) for Polysilicone-15 is 60 mg/kg bw/day based on a Subchronic study via oral route in rat. Source: COSMOS_DB.

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