61 citations,
April 2012 in “British Journal of Dermatology” Caucasian women's hair appears thickest in their 20s, with perceived thinning after mid-30s due to both decreasing density and diameter.
57 citations,
August 2003 in “British Journal of Dermatology” Minoxidil and pyrithione zinc combo most effectively increases hair density.
53 citations,
February 2020 in “Expert Opinion on Pharmacotherapy” Finasteride and minoxidil work best together for hair loss.
49 citations,
December 2009 in “Journal of Investigative Dermatology” Thyroid function affects skin health, with a complex interaction between the two.
45 citations,
November 2009 in “British Journal of Dermatology” Women with early hair loss have higher blood pressure and aldosterone; screening and treatment may help.
44 citations,
March 2008 in “European journal of endocrinology” Women with PCOS have lower ghrelin levels and a weaker response to sugar, which might affect their feeling of fullness and lead to overeating.
38 citations,
June 2005 in “Matrix Biology” Minoxidil affects collagen-related genes, potentially helping treat fibrosis.
36 citations,
January 2015 in “Dermatology” Bimatoprost was found to be safer and more effective than mometasone furoate for treating scalp hair loss.
35 citations,
September 2015 in “Thrombosis Research” Prostaglandin E2 affects human platelet activity in complex ways that could lead to personalized heart disease treatments.
30 citations,
November 2009 in “British Journal of Dermatology” Higher aldosterone levels link to hair loss and high blood pressure.
29 citations,
September 1983 in “British Journal of Dermatology” Men with hair loss have lower SHBG and higher saliva testosterone levels, suggesting increased androgen activity.
26 citations,
October 2017 in “Clinical Reviews in Allergy & Immunology” Autoimmune liver diseases are likely linked to certain skin conditions like vitiligo and psoriasis.
24 citations,
August 2017 in “Prostaglandins & Other Lipid Mediators” CRTH2 antagonists might be useful for treating many conditions because they play a role in immune and inflammation responses.
23 citations,
January 1994 in “Skin Pharmacology and Physiology” Hair loss in men and women is linked to high stress hormone levels and other hormonal imbalances, suggesting treatments should be customized to each person's hormones.
21 citations,
October 2017 in “Journal of Investigative Dermatology” The document concludes that understanding dermal papilla cells is key to improving hair regeneration treatments.
21 citations,
July 2002 in “Clinical and Experimental Dermatology” Hair care products don't cause hair loss if used correctly.
17 citations,
May 2018 in “Journal of Cosmetic Dermatology” Most women in the study lost hair due to chronic shedding, with stress and nutrient deficiencies being common factors.
16 citations,
December 2016 in “Skin appendage disorders” Nickel, cobalt, balsam of Peru, fragrance mix, carba mix, and propylene glycol are common allergens causing scalp contact dermatitis.
16 citations,
January 2008 in “Acta dermato-venereologica” Vitamin B12 deficiency can cause skin darkening and increased blood vessels, but treatment can improve symptoms.
15 citations,
January 2017 in “Advances in Experimental Medicine and Biology” 5α-Reductase inhibitors can negatively affect male sexual function and, in some cases, significantly reduce sperm count, but these effects may be reversible.
15 citations,
May 2003 in “American Journal of Kidney Diseases” A hemodialysis patient's hair loss was caused by the drug tinzaparin but stopped after switching to a different drug.
9 citations,
May 2017 in “Gynecological Endocrinology” Transvaginal hydrolaparoscopy is effective for increasing ovulation and pregnancy rates in women with PCOS who didn't respond to clomiphene.
9 citations,
January 1987 in “Journal of The American Academy of Dermatology” A man lost a lot of scalp hair quickly after stopping minoxidil, but it grew back with mild male pattern baldness.
6 citations,
January 2016 in “Annals of Dermatology” Human hair contains more glycosaminoglycans in children than adults, and these compounds decrease with age, possibly affecting hair thickness.
6 citations,
December 2015 in “JAMA” The woman's high testosterone levels indicated PCOS, leading to treatment that improved her symptoms.
6 citations,
January 2014 in “Clinical hemorheology and microcirculation” Hereditary elliptocytosis causes elongated red blood cells and can lead to mild or no symptoms.
6 citations,
November 1997 in “International Journal of Dermatology” Women with acne and irregular periods had higher active testosterone levels, which could suggest the usefulness of antiandrogen treatment.
5 citations,
October 2015 in “British Journal of Dermatology” A certain medication improved severe itching in a boy with liver and bowel disease by reducing histamine levels, suggesting a new treatment target.
4 citations,
February 2021 in “International Journal of Dermatology” Prostaglandins may contribute to male hair loss; targeting them could help treat it.
4 citations,
January 2021 in “Skin appendage disorders” Washing hair daily is better and preferred, with no negative effects.