January 2008 in “Pratique médicale & chirurgicale de l'animal de compagnie” Alopecia X in dogs is a cosmetic issue, not a hormonal disorder, and harmful treatments should be avoided.
September 1999 in “The Journal of The British Menopause Society” The document concludes that skin aging in women can be caused by UV exposure and hormonal changes, and treatments like hormone replacement therapy and various skin therapies can help.
January 1990 in “Springer eBooks” Some chemicals can permanently or temporarily remove color from skin and hair, which can be distressing and is not well-regulated in cosmetics.
5 citations,
January 2021 in “PeerJ” Elephant tail-hair can show past stress levels, matching times when stressful events happened.