Moderate UV Filter / Sunscreen Dermal Penetration

Nano Titanium Dioxide

INCI: TITANIUM DIOXIDE

CAS Number
None
Function
UV Filter
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes SCCS issued safety assessment opinion on May 23, 2024 regarding titanium dioxide safety.

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

SCCS NOAEL Values

NOAEL/LOAEL values cited in official SCCS opinions for Nano Titanium Dioxide.

NOAEL LOAEL Route Species Study DA% (SCCS) Opinion
- - Inhalation Rat Subchronic (90-day) (90 days (inhalation, 6h/day)) N/A SCCS/1617/20 (2020)

Dermal Penetration Profile

Skin absorption and penetration characteristics of Nano Titanium Dioxide, relevant to systemic exposure and MoS calculations.

Absorption %
0.01-0.05%
Penetration Level
surface
Penetration Depth
surface only
Molecular Weight
79.9 Da
Log P
n/a
Systemic Absorption
no
Topical Bioavailability
0.01%
Safety Margin Factor
none

Source: SCCS/1516/13

Expert Verdict

Titanium Dioxide is prohibited in cosmetics in the EU due to safety concerns, though permitted as an OTC drug ingredient in the US.

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Concern Level: High

Regulatory Flags

EU Restricted SCCS Review

Frequently Asked Questions

Is Nano Titanium Dioxide safe in cosmetics?

Titanium Dioxide is prohibited in cosmetics in the EU due to safety concerns, though permitted as an OTC drug ingredient in the US. The EU classifies Nano Titanium Dioxide as "prohibited". Safety rating: MODERATE.

Is Nano Titanium Dioxide allowed in the EU?

Nano Titanium Dioxide EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Nano Titanium Dioxide do in cosmetics?

Nano Titanium Dioxide functions as: UV Filter. It is classified as a UV Filter / Sunscreen in our database. CAS number: None.

What is the Margin of Safety for Nano Titanium Dioxide?

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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