Moderate Cosmetic Ingredient NOAEL Data

Magnesium/Potassium/Titanium Oxide

INCI: MAGNESIUM/POTASSIUM/TITANIUM OXIDE

CAS Number
39290-90-9
Function
Bulking (reduces density by swelling) and viscosity controlling
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed; no specific prohibition or restriction. Not listed as a color additive requiring separate approval (it is not a colorant).

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

1 study endpoint found for Magnesium/Potassium/Titanium Oxide. 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
NOAEL 0.01 mg/L air 1991 rat inhalation REACH

Expert Verdict

No major safety flags identified for this specific composite oxide. As a synthetic inorganic material produced by calcination of magnesium hydroxide, potassium chloride, and titanium dioxide, irritation potential is low.. Synthetic origin; functions primarily as a physical modifier rather than an active ingredient.

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Concern Level: Moderate

Frequently Asked Questions

Is Magnesium/Potassium/Titanium Oxide safe in cosmetics?

No major safety flags identified for this specific composite oxide. As a synthetic inorganic material produced by calcination of magnesium hydroxide, potassium chloride, and titanium dioxide, irritation potential is low.. Synthetic origin; functions primarily as a physical modifier rather than an active ingredient. The EU classifies Magnesium/Potassium/Titanium Oxide as "permitted". Safety rating: MODERATE. 1 toxicological study endpoint(s) are available in our database.

Is Magnesium/Potassium/Titanium Oxide allowed in the EU?

Magnesium/Potassium/Titanium Oxide EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Magnesium/Potassium/Titanium Oxide do in cosmetics?

Magnesium/Potassium/Titanium Oxide functions as: Bulking (reduces density by swelling) and viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: 39290-90-9.

What is the Margin of Safety for Magnesium/Potassium/Titanium Oxide?

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.

What is the NOAEL for Magnesium/Potassium/Titanium Oxide?

The NOAEL (No Observed Adverse Effect Level) for Magnesium/Potassium/Titanium Oxide is 0.01 mg/L air based on a inhalation study via 1991 route in rat. Source: REACH.

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