April 2021 in “Sohag Medical Journal” Superficial cryotherapy is effective and safe for treating alopecia areata, especially eyebrow hair loss.
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January 2013 in “Journal of Cutaneous and Aesthetic Surgery” Transplanting body hair helped repigment and treat a man's vitiligo.
Surgical repigmentation can permanently restore color to white hair in vitiligo patients.
The treatment showed limited success in repigmenting hair for vitiligo-associated leukotrichia.
July 2002 in “Dermatologic Surgery” Some people's hair turned white or gray after using intense pulsed light for hair removal, and for some, it was permanent.