March 2025 in “Journal of Dermatological Treatment” Cannabis users may need higher anesthetic doses during hair restoration surgery.
January 2023 in “IGI Global eBooks” Cannabis may help with skin and hair health but could also increase heart and stroke risks.
March 2022 in “Research Square (Research Square)” A girl with severe hair loss saw hair regrowth after using cannabis.
November 2022 in “Journal of the Endocrine Society” Marijuana use may be linked to lower TSH levels, but the exact cause is unclear.
30 citations,
March 2012 in “Journal of Analytical Toxicology” THCCOOH levels in hair decrease from root to tip and don't match well with self-reported cannabis use.