July 2018 in “Hair transplant forum international” To prevent thinning in the donor area, harvest less than 50% of the original hair density in repeat hair transplants.
April 2023 in “Journal of Investigative Dermatology” ENERGI-F701 solution was found to be more effective and safer than Regaine® 2% minoxidil solution in treating female pattern hair loss, with increased hair density and less side effects.
October 2022 in “Skin appendage disorders” Scalp microneedling did not improve hair coverage or density in male pattern hair loss.
February 2022 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Low-dose oral minoxidil is a promising, safe treatment for various hair diseases, improving hair thickness and density, but more research is needed on long-term side effects and treatment duration.
April 2021 in “Journal of Cosmetic Dermatology” Stem cell treatment improved hair density in female hair loss patient.
February 2021 in “Dermatologic Therapy” Injections improve hair growth, density, and thickness in women safely.
December 2020 in “Journal of Aesthetic Nursing” Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.
September 2020 in “International journal of computer science and mobile computing” Low-level laser therapy can stimulate hair growth and increase hair density, making it a promising treatment for hair loss.
September 2016 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Once-daily 5% minoxidil foam increases hair regrowth and density in women with hair loss, but not as effectively as twice-daily 2% minoxidil solution, though it's safer and more convenient.
January 2013 in “프로그램북(구 초록집)” Adipose stem cell-conditioned media improved hair density and thickness in women with hair loss.