This product is extracted from Haematococcus pluvialis by supercritical carbon dioxide method. The product is a dark red oily substance with a special smell of aquatic products. The product is a pure natural substance, processed 100% without any addition in the whole physical process. The raw material is sourced from Haematococcus pluvialis cultured in the fully closed photobioreactor.This product is characterized by high astaxanthin content (up to15%), no residual org-anic solvent (extracted by supercritical carbon dioxide method), and high biological activity (without high temperature and chemical treatment)Can be widely used in food additives, cosmeti-cs and drugs.