October 2014 in “CRC Press eBooks” The scalp is usually protected from dermatitis but can react to hair products, especially tea tree oil and Minoxidil.
5 citations
,
March 2001 in “Journal of biomechanics” Growing hairs are easier to pull out than resting hairs due to different anchorage strengths.
1 citations
,
November 2023 in “Indian Dermatology Online Journal” Severe itching from shingles can cause hair loss due to rubbing.
11 citations
,
January 2011 in “Indian Dermatology Online Journal” Eating dairy and high glycemic foods may increase the risk of acne.
1 citations
,
January 1997 in “Skin Pharmacology and Physiology” Premature infants have less elastic hair than full-term infants.
January 2023 in “International journal of clinical medicine” Women with PCOS and hair loss have lower levels of the protein gelsolin in their blood.
1 citations
,
January 2008 in “Massey Research Online (Massey University)” A successful enzyme depilation system needs a broad-spectrum protease that doesn't harm collagen VI.
January 2008 in “한국미용학회지” Certain enzymes and a growth factor were higher in mice treated with minoxidil or a peppermint and rosemary oil mix, which may be good indicators of hair growth.
5 citations
,
May 2024 in “Molecules” Glycyrrhetinic acid from licorice may help treat acne by reducing inflammation and oil production.
2 citations
,
March 2015 in “Daehan miyong hakoeji” Spiny keratoderma is a rare skin condition with small spines on palms and soles, possibly linked to abnormal hair formation.
December 2025 in “Skin Appendage Disorders” Scalp apocrine glands may help remove waste and balance electrolytes, but their role is not fully understood.
1 citations
,
January 2019 The fenugreek seed extract gel can help with hair growth and reduce hair problems.
36 citations
,
February 2018 in “British Journal of Dermatology” Sweat glands and hair follicles are structurally connected within a specific layer of skin fat.
A six-year-old girl with extra hair on her elbows was treated with hair removal methods.
January 2006 in “DOAJ (DOAJ: Directory of Open Access Journals)” Loose anagen hair syndrome causes easily pulled, thin hair in kids but is harmless and temporary.
1 citations
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September 2025 in “Eye” Certain drugs can cause eyelid inflammation, so doctors should monitor and educate patients on eyelid care.
Loss of oil glands and inflammation might contribute to the development of scarring hair loss.
October 2025 in “JEADV Clinical Practice” GLP-1 receptor agonists may increase the risk of a specific type of hair loss called androgenetic alopecia.
July 2025 in “YAKUGAKU ZASSHI” Understanding skin microbes and sebum can help manage atopic dermatitis and hair loss.
26 citations
,
March 2018 in “Experimental Dermatology” Prolactin may influence skin glands and could be a target for treating acne and skin aging.
13 citations
,
December 1977 in “Journal of Toxicology and Environmental Health” High levels of phenyl glycidyl ether vapor caused hair loss in rats.
4 citations
,
September 2025 in “Biomolecules” The effect of GLP-1 RAs on erectile function is unclear and needs more research.
January 2025 in “International Journal of Pharmaceutical Quality Assurance” Elderly patients often have skin issues like itching and hair loss, and early treatment can improve their quality of life.
42 citations
,
January 2002 in “Skin Pharmacology and Physiology” Reconstructed skin models are useful for studying how skin processes certain chemicals.
19 citations
,
January 2007 in “Biological & pharmaceutical bulletin” Glycine reduces skin pigmentation by lowering melanin production.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Sebaceous gland atrophy and abnormal function may contribute to hair loss in psoriasis.
2 citations
,
May 2022 in “International journal of trichology” Plica neuropathica is a tangled hair condition that may be caused by hair damage or psychiatric issues and is treated by cutting the hair and addressing mental health.
30 citations
,
November 2012 in “Proceedings of the Royal Society B Biological Sciences” Hard α-keratins stay stiff in water because the surrounding matrix keeps them dehydrated and strong.
June 1996 in “Journal of Dermatological Science” Vitamin D3 applied to mouse skin caused more wrinkles and sagging due to changes in the skin's outer layer.