February 2026 in “Journal of Cosmetic Dermatology” A new reliable scale improves accuracy in measuring hair density and treatment response.
September 1998 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” The document concludes that individualized treatments for hair issues are effective, certain hair changes can indicate neurocutaneous diseases, specific lotions improve skin health, laser hair removal works but needs more study on long-term effects, men's cosmetics are diverse, peeling is effective but can have side effects, and facial pigmentation is often due to overactive skin cells.
2 citations
,
February 2020 in “Journal of Plastic Surgery and Hand Surgery” Good-looking donor sites for hair transplants usually have higher hair density and thicker hair.
12 citations
,
November 2016 in “International Journal of Women's Dermatology” Various hair camouflage options help people with hair loss improve appearance.
January 2014 in “International Journal of Trichology” Hair is culturally and economically valuable, and its weight is now used to measure the effectiveness of hair growth treatments.
59 citations
,
January 2001 in “Dermatology” Hair care products are important for appearance and self-esteem, and their benefits and risks should be accurately communicated by experts.
May 2017 in “Journal of The American Academy of Dermatology” The new baby shampoo and wash with stearic acid is safe and potentially effective for nourishing babies' skin.
24 citations
,
September 2012 in “Dermatologic Surgery” The conclusion is that normal scalp hair counts for Taiwanese people were established, showing age-related differences but not sex or scalp location differences.
61 citations
,
April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
13 citations
,
January 2013 in “Dermatologic Surgery” Experienced hair transplant surgeons suggest a limited number of hair follicles can be used for transplants, and recommend conservative methods to avoid scarring and depletion.
53 citations
,
July 2016 in “Cosmetics” Future hair cosmetics will be safer and more effective.
18 citations
,
June 2008 in “Archives of Dermatology” Men typically shed about 10 hairs in 60 seconds, and this amount doesn't increase with age.
83 citations
,
April 1999 in “Dermatologic Surgery” The research found that for a typical hair density, about 11 square centimeters of donor scalp is needed to get 800 hair grafts for transplantation.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Higher resolution images are needed to identify scarring and fine hair in alopecia.
6 citations
,
January 2013 in “Journal of Cutaneous and Aesthetic Surgery” A man with baldness had successful hair growth after transplanting body hair to his head.
17 citations
,
June 2002 in “Dermatologic Surgery” Chinese patients have fewer hair follicles than Caucasians, and transplanting hair at 40% of normal density works for natural-looking hairlines.
September 2017 in “Journal of Investigative Dermatology” Certain products and treatments can improve hair health and growth.
9 citations
,
November 2008 in “Journal of Cosmetic Dermatology” Artificial hair implantation is generally safe and can restore hair when other treatments fail, but some patients may experience side effects.
5 citations
,
March 2018 in “Dermatologic Surgery” The study found that most donor sites are good for hairline restoration in Southeast Asian women, but hair characteristics should match for a natural look, and aging can reduce hair density and diameter.
6 citations
,
January 1989 Synthetic hair implants can be used to cover small bald spots.
7 citations
,
October 2018 in “Journal of Craniofacial Surgery” About 21.3% of young, healthy Chinese men experience hair loss. Hairlines are mostly linear or have a central protrusion. Hair is densest on the top and back of the head, and hair follicles usually have 1 or 2 hairs. This information can help in designing hair restoration procedures.
1 citations
,
April 2022 in “Journal of Biological Regulators and Homeostatic Agents/Journal of Biological Regulators & Homeostatic Agents” Biocompatible artificial hair is safe, effective, and improves quality of life for alopecia patients.
46 citations
,
April 2009 in “Journal of Dermatological Case Reports” Researchers established normal hair and scalp characteristics for healthy women using trichoscopy.
7 citations
,
July 2022 in “Quality of Life Research” 80% scalp hair regrowth is a successful treatment for alopecia areata.
13 citations
,
January 2002 in “Clinics in dermatology” A mushroom extract might reduce hair loss and liver damage caused by certain chemotherapy drugs in animals.
March 2009 in “Medical & surgical dermatology” Women with androgenetic alopecia have fewer terminal hairs, phenol in nail surgery is safe, and a new hair transplant method is faster and less damaging.
October 2023 in “Al-Anbar medical journal” The clinic-based hair fall count method is accurate and reliable.
2 citations
,
September 2017 in “Plastic and Aesthetic Research” Healthy Han Chinese have lower hair density than whites and Africans, and transplanting 300 hair units can nearly restore normal hair density.
December 2025 in “Frontiers in Medicine” Biofibre ® 4.0 hair implants are safe and satisfy most patients with hair loss.
May 2017 in “Journal of The American Academy of Dermatology” The treatment increased hair follicle counts and is potentially effective for male hair loss without serious side effects.