5 citations,
February 2019 in “BioMed Research International” Acne in reproductive-age women may be linked to conditions like PCOS and lifestyle factors, so doctors should check for these when treating acne.
286 citations,
January 2009 in “Human Reproduction Update” Women with the NIH type of PCOS have more obesity and higher risk of diabetes and heart disease than those with other types of PCOS.
November 2019 in “Hair transplant forum international” The SketchAndCalc app is a faster and more precise method for measuring hair transplant areas than traditional grid counting.
The authors defended their methods for measuring hair density and caliber, emphasizing the need for consistent photography and manual counting for accuracy in evaluating hair loss treatments.
7 citations,
June 2007 in “PubMed” Turkish women with female pattern hair loss have lower hair density, and visual counting is more effective than digital image analysis for detecting this.
September 2010 in “Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii” TrichoScan is reliable for counting and measuring hair density but may not accurately assess hair types in women with hair loss.
11 citations,
September 2020 in “Steroids” A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.
4 citations,
March 2015 in “Skin Research and Technology” Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.
26 citations,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
5 citations,
February 2011 in “Expert Opinion on Drug Discovery” We need better treatments for hair loss, and while test-tube methods are helpful, they can't fully replace animal tests for evaluating new hair growth treatments.
288 citations,
June 2009 in “Human reproduction update” The modified Ferriman-Gallwey method is a useful tool for diagnosing hirsutism.
Oral contraceptives may cause significant hair loss in women.
16 citations,
August 1967 in “JAMA” Oral contraceptives may cause hair loss in women.
14 citations,
September 1991 in “Journal of Investigative Dermatology” Minoxidil slows down keratinocyte growth without being toxic.
26 citations,
April 2011 in “Skin Research and Technology” In vivo confocal scanning laser microscopy is an effective, non-invasive way to study and measure new hair growth after skin injury in mice.
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.
145 citations,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” Finasteride 1mg helps reverse hair miniaturization in men and postmenopausal women.
1 citations,
November 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Quantifying hair shape is better than using racial categories for understanding hair characteristics.
90 citations,
August 2002 in “European journal of endocrinology” Metformin improves hair growth and menstrual frequency in women with PCOS and hirsutism.
29 citations,
April 2017 in “Macromolecular bioscience” Scientists created tiny pH-sensing gels that can safely measure the pH levels inside hair follicles.
1 citations,
July 2024 in “Skin Research and Technology” High-frequency ultrasound can effectively visualize and assess hair loss.
1 citations,
May 2001 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” The system helps monitor hair properties using RGB video microscopy.
6 citations,
August 2020 in “Cell regeneration” Hair follicle stem cells are similar to bone marrow stem cells but are better for fat cell research.
4 citations,
June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.
2 citations,
February 2023 in “International journal of molecular sciences” Tetrathiomolybdate reduces hair growth marker in skin cells by boosting harmful oxygen molecules, but effects can be reversed.
February 2015 in “Dermatologic Surgery” Smaller reticle sizes are as accurate as the standard size for measuring hair density in hair restoration.
24 citations,
September 2020 in “Dermatology and therapy” Oral minoxidil 5 mg daily increases hair growth safely in men with hair loss, with minor side effects.
211 citations,
April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
October 2022 in “Asian journal of healthy and science” Mother-in-law's tongue leaf extract at 20% concentration significantly promotes hair growth in male rabbits.
4 citations,
January 2019 in “Annals of Dermatology” RE-ORGA, a Korean herb extract, may help prevent hair loss.