November 2019 in “Journal of Vertebrate Biology” QIA-64 software can measure straight wire lengths accurately but needs improvement for curved wires and width measurements.
Oregano extract can promote hair growth and has antioxidant benefits without being toxic.
Chemical treatments weaken hair's thermal stability and structure.
100 citations
,
July 2006 in “British Journal of Dermatology” Triamcinolone acetonide injections help hair regrow quickly in mild alopecia but not in severe cases.
22 citations
,
June 2002 in “Seminars in cutaneous medicine and surgery” Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.
15 citations
,
March 1997 in “International Journal of Dermatology” Selenium sulfide in anti-dandruff shampoos can turn hair green.
52 citations
,
February 2005 in “Biopolymers” Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
April 2023 in “Journal of Investigative Dermatology” Sunlight simulation causes skin inflammation, with different skin types reacting at different levels of exposure.
17 citations
,
December 2013 in “Journal of Investigative Dermatology Symposium Proceedings” The excimer laser may help hair regrow in alopecia areata patients.
1 citations
,
August 2024 in “Polymers” The P25H5-O microneedles effectively deliver substances through hair follicles and are safe for skin cells.