Abstract: A skin-friendly absorbent structure providing oxygen, comprising a absorbing layer and skin-friendly and oxygen-providing units, the skin-friendly and oxygen-providing unit being evenly dispersed in partial or entire scope of the absorbing layer wherein the skin-friendly and oxygen-providing unit comprises oxygen providing units and pH regulating units; and the pH of the skin-friendly absorbent structure is between 4 and 7 after absorbing liquids.

Abstract: In a positive pressure capsule and its manufacturing method, it includes injection of a drug through at the opening of the capsule followed by sealing the capsule and internal of the capsule contains air space so as to form a positive pressure capsule. The features of the positive pressure capsule are adhesion seams and liquid drugs can be filled inside such capsule. The capsule may be a hard capsule and the raw material of the capsule may be gelatin or HPMC.

Abstract: The present disclosure describes an air-permeable texture providing oxygen and negative oxygen ions which comprises substances supplying oxygen and substances supplying negative ions and is embedded into several household articles or devices such as band-aids, dressings over wounds, masks, clothes, air conditioners or air purifiers.

Abstract: The present disclosure relates to a mask providing oxygen and removing water vapor in which a functional layer for oxygen production, moisture removal and better air quality is embedded; the functional layer can be inserted between an outer layer and an inner layer of the mask, taken as an inner layer or a sole layer, or held in a receiving pocket or attach/adhere to an innermost side of the mask; the functional layer comprises metal peroxide, metal superoxide, metal oxide and nonmetal oxide to remove water vapor and provide oxygen; the metal peroxide is selected from the group consisting of magnesium peroxide, potassium peroxide, sodium peroxide and calcium peroxide; the metal superoxide comprises potassium superoxide or sodium superoxide; the metal oxide is selected from the group consisting of magnesium oxide, calcium oxide and sodium oxide; the nonmetal oxide can be silicon dioxide.