June 2024 in “Dermatology and therapy” This study reviewed recent advancements in using botulinum toxin for treating androgenetic alopecia and emphasized the need for further research to determine the most effective injection sites and depths, as current strategies show inconsistent results.
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July 2022 in “Dermatologic Therapy” This study found that a 6-week treatment with both brands of biotin and dexpanthenol significantly improved hair fall count and hair density in people with diffuse pattern hair loss, with no significant difference between the two brands.
This study observed that intramuscular injection of sodium 131iodide at doses of up to 1 mCi can successfully induce hypothyroidism in rats without significantly damaging muscle or nearby tissues, despite concerns of adverse effects.
January 2026 in “Dermatologic Therapy” This study reports that intramuscular compound betamethasone may offer rapid, short-term reduction in hair shedding for patients with telogen effluvium, particularly within a week, but often requires repeated treatments; only mild side effects were observed.
December 2016 in “The Journal of Sexual Medicine” This study reviewed the preferences and reasons for testosterone injection therapy among 53 Canadian men with hypogonadism, finding that most opted for injections due to efficacy, ease, and cost considerations.
