| abstract |
Chronic or acute wound type skin injury repair / healing compositions are exclusively composed of a hydrogel of chitosan with a degree of acetylation of at most 40%, preferably 2-6%. It may be a dressing product in the form of a thin plate of 1-10 mm, or in the form of small particles or a paste prepared from a pulverized product, optionally integrated with a support sheet made of cellulose, in particular. it can. In the latter case, a chitosan hydrogel is prepared, which is crushed in water and the water is partially removed to obtain a paste. |