For an intramuscular shot that goes deep into the muscle (like in the arm or buttocks), a longer, slightly thicker needle is needed to reach the target
When that happens repeatedly, the result is patchy dark areas that dont blend easily with the rest of your skin
Ulusoy HB, ztrk , Snmez MF (2016) Protective effect of propolis on methotrexate-induced kidney injury in the rat
But its important to note that this likely wont happen naturally, and you may need the help of a licensed physician
Because the underlying factors that cause hair loss, like genetics and hormones, are often ongoing, the treatment works best with a long-term plan
Cysteine also helps synthesize glutathione [6-9]