The present invention relates to a plasma-generation device for applying plasma to a human body, the device comprising: a reservoir containing a gas, a plasma zone in fluid connection with the reservoir, and means for generating a plasma by electrical discharge in the plasma zone, wherein: the gas comprises from 92% to 99.9% Argon and from 0.1% to 8% Krypton； or the gas comprises from 95% to 99.5% Argon and from 0.5% to 5% Hydrogen； or the gas comprises from 92% to 99.5% Argon and from 0.5% to 8% Nitrous Oxide.
