Calcium Sodium Phosphosilicate

INCI: CALCIUM SODIUM PHOSPHOSILICATE

CAS Number
65997-17-3 (general silicate glass); supplier-specific CAS may vary (NovaMin™/Bioglass 45S5 composition: 45% SiO₂, 24.5% Na₂O, 24.5% CaO, 6% P₂O₅)
Function
Oral Care (dentinal tubule occlusion, remineralization, dentin hypersensitivity relief)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Adequate — systemic exposure minimal; ions released are endogenous (calcium, phosphate, sodium, silica)

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Ensure product claims do not cross into drug/medicinal territory (e.g., 'treats sensitivity' = drug claim in US). Particle size should be documented. Originally developed for bone regeneration with extensive biocompatibility data.

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Concern Level: Low

Frequently Asked Questions

Is Calcium Sodium Phosphosilicate safe in cosmetics?

Ensure product claims do not cross into drug/medicinal territory (e.g., 'treats sensitivity' = drug claim in US). Particle size should be documented. Originally developed for bone regeneration with extensive biocompatibility data. The EU classifies Calcium Sodium Phosphosilicate as "permitted". Safety rating: GOOD.

Is Calcium Sodium Phosphosilicate allowed in the EU?

Calcium Sodium Phosphosilicate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Calcium Sodium Phosphosilicate do in cosmetics?

Calcium Sodium Phosphosilicate functions as: Oral Care (dentinal tubule occlusion, remineralization, dentin hypersensitivity relief). It is classified as a cosmetic ingredient in our database. CAS number: 65997-17-3 (general silicate glass); supplier-specific CAS may vary (NovaMin™/Bioglass 45S5 composition: 45% SiO₂, 24.5% Na₂O, 24.5% CaO, 6% P₂O₅).

What is the Margin of Safety for Calcium Sodium Phosphosilicate?

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.

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