I have included an article that will provide you the information about Astaxanthin. A great product with beneficial effects.
Nutrients. 2018 Apr; 10(4): 522.
Published online 2018 Apr 22. doi: 10.3390/nu10040522
PMCID: PMC5946307
PMID: 29690549
Astaxanthin in Skin Health, Repair, and Disease: A Comprehensive Review
Sergio Davinelli,1,* Michael E. Nielsen,2 and Giovanni Scapagnini1
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5946307/