Why a powder?

The unique grade of cellulose powder used in Nasaleze forms an excellent barrier to allergens which has been clinically proven to remain impermeable for several hours.

Being a powder the barrier created remains in situ to keep you protected.

Before

Nasaleze powder dry (taken from 100 x magnification).

After

Nasaleze powder after exposure to damp surface (taken from 100 x magnification).