13 citations
,
November 2016 in “Human & Experimental Toxicology” Maternal exposure to artificial food coloring may increase skin disease risk in rat offspring.
10 citations
,
May 2019 in “BMC Complementary and Alternative Medicine” The extract from Bacillus/Trapa japonica fruit helps increase hair growth and could be a potential treatment for hair loss.
6 citations
,
October 2018 in “PLoS ONE” Stress can slow hair growth and affect skin color by impacting the body's stress response system.
6 citations
,
October 2018 in “Dermatologic Surgery” PRP therapy helps slow hair loss and increases hair thickness.
September 2023 in “Journal of movement disorders” Dopaminergic therapy in Parkinson's disease patients is linked to increased hair loss.
June 2019 in “Poster presentations” Low dose methotrexate does not increase hair fall and may reduce it.
March 1998 in “Journal of Dermatological Science” Combining RU58841 and minoxidil significantly increases hair growth.
3 citations
,
July 2019 in “International journal of scientific research in science and technology” Herbal hair gel with fenugreek seed extract was found to increase hair growth.
31 citations
,
October 2002 in “Dermatologic Surgery” Minoxidil helps stabilize hair loss, increase density, and reduce shedding after hair transplant surgery.
11 citations
,
June 2012 in “Acta histochemica” Mice with a Gsdma3 gene mutation have thicker skin and longer hair follicle openings due to increased β-catenin levels.
December 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
The research found that people's hair proteins vary by individual and body part, with some differences between ethnic groups, which could help in forensics.
March 2025 in “Medical & Clinical Research” Stem cell therapy can help regrow hair and increase hair density.
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.
12 citations
,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
4 citations
,
January 2016 in “Acta dermatovenerologica Alpina, Pannonica et Adriatica (Tiskana izd.)” 5% minoxidil foam is a safe, effective treatment for male pattern hair loss, with increased hair count and few side effects.
3 citations
,
February 2021 in “Pediatric rheumatology online journal” A girl with lupus and trisomy X has a higher risk of bone problems like avascular necrosis and osteoporosis.
2 citations
,
July 2024 in “Indian Journal of Dermatology” Adults with alopecia areata often have empty follicular openings, while children show more honeycomb pigment patterns.
February 2026 in “Austrian Journal of Technical and Natural Sciences” Mesotherapy may help treat hair loss in patients after bariatric surgery.
May 2021 in “Open Access Macedonian Journal of Medical Sciences” People with premature hair graying have an imbalance between harmful and protective molecules in their body, hinting that antioxidants might help.
April 2018 in “bioRxiv (Cold Spring Harbor Laboratory)” Certain small molecules can help regrow hair by turning on the body's cell cleanup process.
January 2012 in “Human health handbooks” Low-level light therapy is FDA-approved for male pattern hair loss, increases hair count and strength, and is considered safe for use.
Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.
7 citations
,
January 2020 in “Nature” Stress turns hair white by depleting color-giving cells in hair follicles through a specific neurotransmitter related to the body's stress response.
28 citations
,
March 1942 in “Journal of Endocrinology” Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.
115 citations
,
August 2008 in “The Journal of Clinical Endocrinology & Metabolism” Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.
93 citations
,
February 2008 in “Atmospheric environment” Ozone reacts more with unwashed hair, producing compounds due to scalp oils, which could lower ozone exposure but increase exposure to reaction products.
10 citations
,
December 2019 in “International journal of medicinal chemistry” Chemicals from the plant Dicerocaryum senecioides were found to safely speed up and increase hair growth in mice.
5 citations
,
May 2004 in “Dermatologic Surgery” A hair restoration technique was introduced that mixes different types of hair groupings to reduce procedure time, limit damage, and potentially increase hair density, suggesting more hair can be transplanted than previously thought.
Adequate vitamin D might lower, and high hair chromium might increase DNA damage in obese women.