... Oxygen scent:Face with the mask, to match oxygen with one hundred percent pure aroma exacts, through the breath system to be ... headache, insomnia, bad memory, immunity dropping Importance of oxygen therapy on face: Oxygen therapy is the healthiest facial. There are no blood vessels ... it, please apply mask for skin care.If less of oxygen, how is the people going?Less oxygen at brain——Swirl, headache, ...