May 2009 in “International Journal of Cosmetic Science” Permanent waving damages hair protein and weakens hair, especially with repeated treatments using sodium thioglycolate.
1 citations,
April 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Aspartic acid at 0.75% makes perms more effective and less damaging to hair.
5 citations,
June 2013 in “Fashion business” Rosehip extract improves hair wave, thickness, and color vibrancy.
May 2024 in “Journal of Cosmetic and Laser Therapy” Injectable platelet-rich fibrin improves hair growth and reduces hair loss in women.
September 2018 in “Research in medical & engineering sciences” The author was scammed by a marketing company and discussed a man scammed by a clinic that provided poor hair transplants, leading to bad results and scarring.