16 citations,
December 2008 in “International Journal of Dermatology” Long-term use of pyrithione zinc shampoos remains effective for scalp seborrheic dermatitis, with decreased effectiveness likely due to not following treatment instructions rather than the treatment itself.
72 citations,
October 1998 in “Baillière's clinical endocrinology and metabolism” Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.
September 2023 in “Journal of The American Academy of Dermatology” Dutasteride is safe and effective long-term for male hair loss.
10 citations,
January 2013 in “Journal of The European Academy of Dermatology and Venereology” The home-use IPL device effectively reduced hair and delayed its regrowth after six months of use, with users happy and no negative side effects.
30 citations,
August 2018 in “Dermatology and Therapy” Better-designed, long-term studies are needed to optimize treatment for trichotillomania and trichophagia.