April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” The back of the scalp has more nerve fibers than the front, which may explain why some people feel more sensitivity there.
February 2023 in “Journal of The American Academy of Dermatology” Low-dose oral minoxidil helps increase hair density in traction alopecia.
33 citations,
September 2019 in “Dermatologic Surgery” Using a special stem cell formula on the scalp once a month for six months helped people with hair loss grow more hair.
19 citations,
July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
8 citations,
January 2022 in “Sensors” Deep learning can accurately automate hair density measurement, with YOLOv4 performing best.
7 citations,
April 1994 in “Archives of Otolaryngology-head & Neck Surgery” Scalp expansion is an effective way to reconstruct the scalp with good cosmetic outcomes.
The conclusion is that closing scalp wounds is possible, but restoring hair without donor material is still a major challenge.
1 citations,
September 1997 in “PubMed” The uniform density approach in hair restoration is less noticeable in situations like wind or exercise.
April 2020 in “The Egyptian Journal of Plastic and Reconstructive Surgery” Both follicular unit extraction and scalp expanders effectively treat secondary cicatricial alopecia, with scalp expanders leading to quicker and denser hair growth.
PRP therapy at Ethos Spa improves hair growth and quality with minimal maintenance.
February 2015 in “Dermatologic Surgery” Smaller reticle sizes are as accurate as the standard size for measuring hair density in hair restoration.
26 citations,
March 2017 in “Aesthetic plastic surgery” Accidental injection of hyaluronic acid caused temporary hair loss and skin damage, but treatment restored hair and healed the skin.
1 citations,
October 2021 in “QJM: An International Journal of Medicine” Double-spin PRP is more effective for treating female hair loss than single-spin PRP.
January 2019 in “Springer eBooks” PRP may help with hair loss and improve hair quality with few side effects, but more research is needed.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Estetrol may help prevent hair loss and promote hair growth in women.
January 2020 in “프로그램북(구 초록집)” The treatment increased hair growth and thickness in patients with hair loss.
44 citations,
August 2008 in “Archives of Dermatology” Trichoscopy is a non-invasive way to diagnose hair and scalp problems without needing hair samples.
20 citations,
May 1992 in “The Journal of Dermatologic Surgery and Oncology” Dr. Norwood's analysis highlights the need for careful patient selection and strategic hair transplant design to create a natural-looking hair density.
15 citations,
March 2015 in “Australasian Journal of Dermatology” Seborrhoeic dermatitis may cause a condition called "seborrhoeic folliculitis," leading to chronic scalp inflammation and scarring hair loss.
7 citations,
September 2004 in “대한의생명과학회지” An extract made from Polygoni multiflori Radix, Angelica gigantis Radix, and Lycii Fructus was found to increase hair density and prevent hair loss in most users when applied daily for 18 months.
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.
3 citations,
January 2021 in “Hair transplant forum international” The Hair Diameter Index (HDI) was created to help plan hair restoration surgery after finding that visual hair density is linked to hair count and thickness, not volume.
3 citations,
September 2016 in “Clinical, cosmetic and investigational dermatology” Sphinganine can reduce hair loss and improve scalp health.
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.
2 citations,
May 2005 in “Seminars in Plastic Surgery” The Juri Temporo-Parieto-Occipital Flap is a good option for scalp reconstruction and hairline restoration with a natural look, despite some risk of necrosis and scarring.
1 citations,
February 2020 in “PubMed” The topical solution improved hair density and appearance in men with androgenetic alopecia.
1 citations,
November 2019 in “Applied sciences” Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.
May 2024 in “Dermatologic surgery” Nonactivated low leukocyte PRP injections can significantly increase hair and follicle density in women with alopecia.
February 2024 in “Biomedical journal of scientific & technical research” Inositol and phytic acid together increase hair growth and density.
January 2024 in “Journal of Cosmetic Dermatology” Platelet-rich plasma may improve hair density and count in male pattern hair loss, but more high-quality research is needed.