12 citations
,
May 2017 in “Journal of pharmaceutical and biomedical analysis” The method shows that zinc pyrithione and climbazole from anti-dandruff shampoo effectively reach the scalp.
1 citations
,
May 2016 in “Dermatologic Surgery” The document concludes that using a phototrichogram with a protractor and tapeline is a reliable and noninvasive way to measure hair loss.
February 2026 in “Cureus” Two methods reliably measure scalp area and hair count.
15 citations
,
June 1996 in “Journal of Pharmacy and Pharmacology” Caffeine levels in hair and blood can indicate liver health.
12 citations
,
August 2001 in “PubMed” CE-PTG is a better method for analyzing hair growth in androgenetic alopecia.
July 2025 in “International Journal of Cosmetic Science” A new 6-point scale reliably measures heat damage to hair from styling tools.
26 citations
,
November 2005 in “Journal of Investigative Dermatology Symposium Proceedings” TrichoScan effectively measures hair growth improvements in people using minoxidil.
1 citations
,
June 2022 in “Journal of The American Academy of Dermatology” Combining scalp photos with hair density and caliber measurements gives a more accurate assessment of hair loss.
72 citations
,
February 1990 in “British Journal of Clinical Pharmacology” Hair analysis can track haloperidol dosage history.
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.
2 citations
,
April 2023 in “Archives of Aesthetic Plastic Surgery” The phototrichogram is better for measuring hair thickness.
4 citations
,
August 2018 in “Journal of Cosmetic Dermatology” Wound tension after hair transplant surgery increases with strip size and is higher on the sides, affecting scarring.
June 2024 in “Nature Cell and Science” The Scalp Coverage Scoring method reliably measures hair density from images.
August 2018 in “Journal of The American Academy of Dermatology” Aging significantly affects the hair and scalp of nonbalding Caucasian women, with changes that differ from male pattern baldness.
7 citations
,
May 2024 in “Life” Younger people may have a higher risk of hair loss due to poor nutrition and lifestyle.
45 citations
,
January 1999 in “Dermatology” The VQ-Dermato is a reliable French questionnaire for measuring quality of life in chronic skin disorder patients.
24 citations
,
June 2021 in “Journal of the European Academy of Dermatology and Venereology” Use specific tools to measure quality of life in alopecia areata patients and improve future treatments.
14 citations
,
September 2018 in “JAMA Facial Plastic Surgery” Hair loss greatly lowers perceived health in both genders, and hair transplant surgery notably improves this.
September 2021 in “Hair transplant forum international” The P&P Hairline Laser is a new, hands-free device that improves hairline symmetry in hair restoration surgery and can create a symmetrical hairline in less than a minute.
11 citations
,
January 2006 in “International Journal of Cosmetic Science” Some oils can penetrate hair and reduce the stickiness between fibers, but mineral oil cannot.
40 citations
,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
4 citations
,
January 2021 in “Dermatologic Therapy” AI is effective in diagnosing and treating hair disorders, including detecting hair loss and scalp conditions with high accuracy, but it should supplement, not replace, doctor-patient interactions.
4 citations
,
April 2016 in “Experimental Dermatology” AGA causes hair loss through follicle miniaturization and hair cycle changes; regrowth depends on anagen initiation in kenogen follicles.
February 2008 in “Basic and clinical dermatology” Photographic imaging is crucial for documenting and managing hair loss, requiring careful preparation and standardization to be effective.
4 citations
,
March 2015 in “Skin Research and Technology” Trichotillometry is a reliable method to measure hair strength and assess hair loss treatments.
May 2014 in “Hair transplant forum international” Scalp tools, tracking progress, targeting scalp inflammation, and avoiding certain hair treatments can improve female hair loss treatment.
2 citations
,
April 2020 in “Clinical and experimental obstetrics & gynecology” Hair levels of estradiol and progesterone are higher in premenopausal than postmenopausal women, but the difference isn't statistically significant, indicating the need for a better measurement method.
Finasteride and low-level laser therapy are similarly effective for frontal pattern hair loss.
March 2026 in “Mendeley Data” rwSALT provides precise hair regrowth measurement from scalp photos.
June 2021 in “Dermatologic surgery” Researchers suggest using a standard question and 5-point scale to measure patient satisfaction with acne scar treatments.