Description
Astaxanthin's antioxidant properties have also been shown to help improve heart heath, cellular health, and the body's immune system.
Astaxanthin is a reddish pigment that belongs to a group of chemicals called carotenoids. 
Astaxanthin is used for treating Alzheimer's disease, Parkinson's disease, “brain attack” (stroke), high cholesterol, and an eye condition called age-related macular degeneration (AMD). It is also used for preventing cancer.
Astaxanthin is applied directly to the skin for protection against sunburn. 
1, Product name: astaxanthin powder 
2, Main ingredients: Astaxanthin (Dark red powder) 
3, Content: Astaxanthin oleoresin 5%   

Applications  

Medical Use :Astaxanthin is a powerful antioxidant that it is 10 times more capable than other carotenoids, so it is beneficial in cardiovascular, immune, inflammatory and neurodegenerative diseases. It also crosses the blood-brain barrier, which makes it available to the eye, brain and central nervous system to alleviate oxidative stress that contributes to ocular, and neurodegenerative diseases such as glaucoma and Alzheimer's.
Cosmetic Use: For its high-performance antioxygenic property, it can protect the skin from ultraviolet radiation damage and effectively reduce melanin deposition and the formation of freckles to keep skin healthy. At the same time, as an ideal natural coloring agent for the lipstick can enhance the radiant, and to prevent the ultraviolet injury, without any stimulation, safe.
Eye Health – The structure of astaxanthin is similar to lutein and zeaxanthin, two antioxidants that have been shown to reduce the risk of nuclear cataracts. But, while similar, astaxanthin has a stronger antioxidant activity and UV-light protection effect, both of which point to it being an excellent supplement for eye health maintenance.
Skin Health – Astaxanthin has been shown to help improve skin moisture levels, elasticity, and smoothness while reducing wrinkles, freckles, and spots.