August 2023 in “Dermatologic Surgery” Botulinum toxin might help with some scalp conditions, but more research is needed to confirm its effectiveness and safety.
70 citations
,
June 2023 in “International Journal of Molecular Sciences” 
March 2023 in “JAAD case reports” Botulinum toxin A may be an effective alternative treatment for the scalp disorder folliculitis decalvans.
98 citations
,
February 2021 in “Dermatologic Therapy” Air pollution harms skin, causing aging, diseases, and cancer.
7 citations
,
September 2020 in “Journal of Cosmetic Dermatology” Smoking increases early hair loss risk in men; quitting may help prevent it.
January 2020 in “Cosmetics” Ecklonia cava extract may protect the scalp from pollution and improve its health.
15 citations
,
January 2020 in “BioMed Research International” BTA safely and effectively treats hair loss, and works better with FNS.
23 citations
,
August 2019 in “Proceedings of the National Academy of Sciences of the United States of America” Pollution exposure speeds up hair damage.
12 citations
,
May 2019 in “Journal of cosmetic dermatology” Effective treatments for premature hair graying still require significant research.
41 citations
,
June 2018 in “Journal of The American Academy of Dermatology” Some treatments for folliculitis decalvans work well, with tetracyclines and a mix of rifampicin and clindamycin being most effective.
40 citations
,
January 2018 in “International journal of trichology” Healthy scalp reduces hair loss by managing oxidative stress.
68 citations
,
February 2015 in “Journal of the European Academy of Dermatology and Venereology” Early onset and pustules indicate severe hair follicle inflammation, and while antibiotics help, the condition often worsens after treatment stops.
7 citations
,
January 2015 in “Hair therapy & transplantation” Air pollution can cause hair loss, and using antioxidants, special shampoos, and coconut oil can improve scalp health and hair density.
