I personally have not had any noticeable result with lutein, but will look into astaxanthin for its use in various aspects of tissue repair. Thanks.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5946307/
Note that I have been taking 40 mg a day of Lutien for 2 years. Sometimes I have taken zeaxantine when I didnt fint astaxantine.