36 citations
,
February 1998 in “Journal of Anatomy” Fibre optic confocal imaging can visualize skin layers, blood vessels, and nerves in live mice.
10 citations
,
January 2011 in “Journal of biomedical optics” OCT is a reliable, noninvasive way to measure hair thickness.
1 citations
,
January 2010 in “Springer eBooks” Certain micronutrients may improve hair and nail health, but more research is needed to confirm their benefits.
April 2018 in “Journal of Investigative Dermatology” Stabilizing HIF1A in hair follicles increases glycolysis, which may help reduce oxidative stress and support hair growth.
3 citations
,
December 2010 in “Annals of tropical paediatrics” A boy's hair loss and bone issues improved with specific vitamin D treatment and calcium.
June 2024 in “British Journal of Dermatology” Vitamin B supplements may reverse grey hair.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Applying the anti-cancer drug Bortezomib to skin can promote hair growth and increase hair proteins through the GATA-3 factor.
35 citations
,
April 1937 in “The journal of nutrition/The Journal of nutrition” Flavin prevents cataracts in young rats.
July 2024 in “Journal of Investigative Dermatology” Propolis extract can promote hair growth and increase keratin production.
January 2024 in “Updates in clinical dermatology” Photobiomodulation effectively stimulates hair growth and reduces hair loss.
1 citations
,
July 2012 in “EFSA Journal” The combination of certain vitamins and pumpkin seed oil has not been proven to maintain normal hair.
1 citations
,
October 2015 in “CRC Press eBooks” Nutricosmetics with active ingredients can help with hair loss and improve hair growth.
19 citations
,
November 1937 in “Experimental biology and medicine” Nutritional deficiencies in rats cause skin problems that can be treated with the right vitamins.
January 2023 in “Italian journal of dermatology and venereology” The supplement effectively improved hair growth and reduced hair loss safely.
6 citations
,
July 1994 in “Journal of Dermatological Science” Introducing the rat OTC gene normalized hair growth in SPF-ASH mice.
34 citations
,
September 2019 in “Clinical, Cosmetic and Investigational Dermatology” Light therapy can stimulate hair growth and is more effective when started early, but more research is needed on its long-term effects and optimal use.
July 2025 in “Food Science & Nutrition” Vitamin D supplements improve hair growth and metabolism in rabbits.
5 citations
,
August 2015 in “Bioscience, Biotechnology, and Biochemistry” Obese mice with a leptin gene mutation have a longer resting phase in their hair cycle, which may help understand certain hair loss conditions.
1 citations
,
February 2009 in “Journal of Investigative Dermatology” Lipase H is important for hair follicle function and shaping hair fibers.
32 citations
,
July 2018 in “Scientific Reports” Essential-oils-cobalt improves goat growth and product quality.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
16 citations
,
January 2008 in “Acta dermato-venereologica” Vitamin B12 deficiency can cause skin darkening and increased blood vessels, but treatment can improve symptoms.
Baricitinib helps regrow hair in teens with severe alopecia areata.
April 2024 in “Diagnostics” Most orthodontic patients with missing teeth also have hair disorders.
December 2020 in “Our Dermatology Online” Skin biopsies are recommended for confirming alopecia diagnosis due to variability in clinical assessments; the link between vitamin D levels and alopecia is unclear.
12 citations
,
September 1982 in “Journal of Investigative Dermatology” 9 citations
,
May 2018 in “Photochemistry and photobiology” The Hair BB Cream effectively prevents UV damage and improves hair health.
November 2025 in “SKIN The Journal of Cutaneous Medicine” Baricitinib helps regrow scalp, eyebrow, and eyelash hair in teens with severe alopecia areata.
February 2026 in “Bioengineering” Hyperbaric oxygen therapy may improve hair and scalp health.
14 citations
,
November 1979 in “Pediatric Research”