3 citations,
July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
2 citations,
April 2018 in “Journal of Cosmetic Dermatology” Tumescent fluid increases scalp hair angles, which may improve hair transplant results and reduce surgeon fatigue.
1 citations,
February 2021 in “Journal of Cosmetic Dermatology” Using a 30°-sapphire blade at a lower angle causes the least injury in hair transplants.
June 2020 in “Journal of cosmetic medicine” A good hair transplant is judged by various factors including cosmetic appearance, hair angles, complication signs, and donor scar consideration.
18 citations,
July 2003 in “Dermatologic Surgery” The conclusion is that creating natural-looking hair restoration requires replicating natural scalp whorl patterns and inserting grafts at specific angles.