3 citations,
October 2007 in “Expert Review of Dermatology” Hair ages due to various factors and treatments like minoxidil and finasteride can help, but more research and better public awareness are needed.
1 citations,
July 2018 in “Elsevier eBooks” Avoid chemical and physical damage to protect hair.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
99 citations,
June 2005 in “Journal of Cosmetic Dermatology” Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.
83 citations,
January 2015 in “World Journal of Stem Cells” Hair follicle regeneration needs special conditions and young cells.
66 citations,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
35 citations,
January 2014 in “Journal of Tissue Engineering” Cell-based therapies using dermal papilla cells and adipocyte lineage cells show potential for hair regeneration.
25 citations,
May 2019 in “Heliyon” Hair treatments cause significant structural changes, especially with excessive heat, regardless of ethnicity.
20 citations,
April 2016 in “Journal of Cosmetic Dermatology” Methyl vanillate spray increases hair count and hair mass in women with hair loss.
19 citations,
January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
18 citations,
November 2020 in “Frontiers in Cell and Developmental Biology” Inflammation plays a key role in activating skin stem cells for hair growth and wound healing, but more research is needed to understand how it directs cell behavior.
11 citations,
August 2010 in “Journal of Dermatology” Hair transplantation can effectively treat stable eyebrow hair loss in alopecia areata patients.
11 citations,
January 1987 in “Electrophoresis” Keratin proteins are consistent across different hair types from the same person.
3 citations,
May 2013 in “Journal of the American Association of Nurse Practitioners” Use minoxidil or finasteride first, then try HairMax LaserComb if needed.
1 citations,
May 2023 in “Frontiers in medicine” Hair dyes and perms can damage hair and scalp, but using interventions can reduce harm.
Hair loss causes emotional distress, leading to high spending on treatments, with Minoxidil and Propecia being common but having side effects.
January 2014 in “Journal of Pigmentary Disorders” Women's hair gets thinner and grayer as they age, with treatments available for hair loss and graying.
Dermal stem cells help regenerate hair follicles and heal skin wounds.
95 citations,
November 2016 in “Journal of The American Academy of Dermatology” Treatments for permanent hair loss from scarring aim to stop further loss, not regrow hair, and vary by condition, with partial success common.
25 citations,
September 2006 in “Birth Defects Research” Different processes create patterns in skin and things like hair and feathers.
16 citations,
January 2015 in “Forensic science international” The hair of two ancient Chilean mummies is well-preserved and contains high levels of heavy metals.
97 citations,
January 2005 in “Wear” Human hair and skin friction vary by ethnicity, hair type, and environmental conditions.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
April 2024 in “Current research in nutrition and food science” Taking an amino acid supplement improved skin, hair, and nail health in women.
February 2024 in “Animals” Giving selenium yeast to pregnant goats leads to better hair growth and cashmere quality in their babies.
December 2023 in “The journal of physical chemistry. B (1997 : Online)” Human hair keratin might be good for filtering out harmful substances from water.
10 citations,
November 2008 in “Veterinary Dermatology” The mouse hairy ears mutation causes longer ear hair due to changes in gene expression.
8 citations,
January 1996 in “Springer eBooks” Male pattern baldness may be caused by factors like poor blood circulation, scalp tension, stress, and hormonal imbalances, but the exact causes are still unclear.
2 citations,
October 2023 in “Science advances” Touching hair can activate nearby nerve cells through signals from the hair's outer layer.