Éternelle Glass foot files go through hardening process that increases their mechanical resistance. The laboratory tests proved that the flex strength of our hardened glass nail file is much higher than normal non hardened nail files.
Éternelle Glass foot files are not porous so cannot absorb water and does not form any environment for bacterial or fungal infections. Also our nail files are disinfected, boiled or sterilised. They never suffer corrosion even in aggressive conditions and always retain their properties.
Éternelle Glass foot files are ideal for professional use as the excellent grinding ensures quality and nail treatment and sterilisation eliminates the risk of spreading nail infections among customers. Also they can be sterilised to use on next customer and it bring more satisfied customers.
