Hydroxyapatite (Nano)
OKother
Nanoparticles of hydroxyapatite, used for remineralization and smoothing.
Regulatory Info
Status: Restricted
Restrictions: Max: (a) 10 %
(b) 0,465 %; For (a) and (b): Not to be used in applications that may lead to exposure of the end-user’s lungs by inhalation.
Only nanomaterials having the following characteristics are allowed:
— [composed of] rod-shaped particles of which at least 95,8 % (in particle number) have an aspect ratio less than 3, and the remaining 4,2 % have an aspect ratio not exceeding 4,9;
— the particles are not coated or surface modified