March 2025 in “Dermatologic Surgery” Fractional radiofrequency microneedling is as effective and safe as intralesional steroids for treating patchy alopecia areata, with fewer side effects.
January 2025 in “Buleria (Universidad de León)” 
January 2020 in “Frontiers in Medical Case Reports” A dog developed skin issues from too many steroids, but reducing steroids and using a specific treatment fixed the problems.
Fractional CO2 laser is more effective and safer than steroid injections for treating alopecia areata.
9 citations
,
November 1997 in “British Journal of Dermatology” 
34 citations
,
February 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride and minoxidil together promote hair growth better than either alone.
23 citations
,
February 2010 in “European Journal of Medicinal Chemistry” 219 citations
,
October 2009 in “Steroids” 5α-reductase inhibitors, like Finasteride and Dutasteride, help manage benign prostatic hyperplasia.
218 citations
,
December 2011 in “Advances in Urology” The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.
199 citations
,
July 2007 in “General and Comparative Endocrinology” Hair cortisol can reliably indicate chronic stress in cats and dogs.