The present invention refers to a non-shivering cryothermogenesis method for locally reducing adipose tissue of a subject's body, comprising:(a) applying at least one applicator of a cooling mean to the subject's skin;(b) applying at least one additional applicator of said cooling mean to local region wherein adipose tissue reduction is desired;(c) said applicator maintaining skin superficial temperature between 4°C and 12°C;(d) applying said applicators for a total period of time comprised between 20 and 60 min;