In the field of agriculture: 

Astaxanthin is used in crops to increase the colour and sweetness of fruits, slow down the aging of crops and fruits, as well as to improve the soil and the effectiveness of fertilizers.

In the field of cosmetics: 

As a new type of cosmetic raw material, astaxanthin is widely used in creams, emulsions, lip balms, skin care products and other types of cosmetics with its excellent properties. Especially in the field of advanced cosmetics, natural astaxanthin, with its unique molecular structure, can efficiently burst free radicals caused by ultraviolet rays through its antioxidant effect, preventing skin photoaging, reducing UVA and UVB damage to the skin, preventing the production of skin cancer, slowing down the aging of the cells, reducing the wrinkles of the skin, reducing the deposition of melanin, reducing the production of freckles, and can maintain moisture, so that the skin has more elasticity, tension and moisturise the skin. In Japan, there is a patent for the production of cosmetics using astaxanthin's antiphotosensitising effect.

In the field of animal husbandry: 

The largest market for astaxanthin is in the feed industry, where it can be used as a feed additive mainly for fish (salmon, sturgeon, rainbow trout, red sea bream, etc.) and crustaceans such as shrimp and crab, as well as poultry. As a colouring agent for aquaculture animals, astaxanthin can give aquatic animals a bright colour and make them more ornamental; the addition of astaxanthin to poultry feed can increase the yolk pigment content of eggs; it can also increase the egg-laying rate of hens and promote the health of laying hens. Astaxanthin in the prevention and treatment of fish, shrimp, crab and poultry disease has the same function as for humans, can improve immunity, improve the survival rate, its normal growth and healthy breeding, improve the survival rate and reproduction rate has an important role.

In the field of health care: 

Natural astaxanthin is an extremely strong antioxidant carotenoid, with antioxidant, anti-aging, anti-tumour, prevention of cardiovascular and cerebrovascular diseases, the international community has been used in health care.