The has concluded hydroxyapatite in leave-on and rinse-off dermal and oral cosmetic products is safe at the reported maximum concentrations and specifications.
However, the cannot conclude the safety of Hydroxyapatite composed of rod-shaped nanoparticles in oral-care cosmetic products due to insufficient data on the genotoxic potential of the material.
The also has scientific concerns regarding using Hydroxyapatite in a needle-shaped form in cosmetic products and has concluded that there is a basis for concern about potential toxicity.
The is ready to assess any evidence to support the safe use of Hydroxyapatite in cosmetic products.
Although hydroxyapatite (nano) is also indicated for breath spray, no data was provided to allow assessment of consumer safety from inhalation exposure. Therefore, this opinion does not apply to sprayable products that might expose the consumer's lungs to nanoparticles by inhalation.