August 2025 in “Current Issues in Molecular Biology” Periplaneta americana extract helps hair regrowth in mice with alopecia.
September 2017 in “Journal of Investigative Dermatology” Photodynamic therapy can potentially remove nonpigmented hair by damaging hair follicles.
20 citations
,
September 2004 in “Journal of Anatomy” The inner root sheath evolved to help hair grow safely through the skin in mammals.
60 citations
,
August 1969 in “British Journal of Dermatology” Germicides mostly stay on the skin's surface, but some penetrate deeper depending on the product used.
4 citations
,
September 1993 in “Steroids” The method accurately measures testosterone metabolites with high sensitivity and low environmental impact.
3 citations
,
December 2019 in “International Journal of Pharmacology” The ethanol extract of Poria cocos helps skin cells to grow.
December 2013 in “Urology reports (St - Petersburg)” Sonirid Duo effectively treats benign prostatic hyperplasia.
1 citations
,
January 2000 in “Indian Journal of Dermatology” A woman had hair loss and scalp nodules due to black piedra, confirmed by tests.
May 2025 in “Frontiers in Veterinary Science” Cashmere quality differences are due to gene expression variations affecting hair development and adaptation to cold.
November 2025 in “Advanced Science” A new nanozyme using EGCG and L-arginine boosts hair growth by safely increasing beneficial oxidative stress.
8 citations
,
January 2023 in “Journal of Research in Pharmacy” Compounds from turmeric and bitter show strong potential as antiviral agents against the influenza A virus.
December 2008 in “Enzyme and Microbial Technology” New patents include innovations in skin and hair care, disease treatment, plant stress tolerance, and protein purification.
16 citations
,
April 1985 in “Archives of dermatology” The summary does not report the effectiveness of Stanozolol in treating Pityriasis rubra pilaris.
Trichohyalin, a protein from pig tongue, was purified and found to have a filamentous structure.
22 citations
,
February 2008 in “Journal of Dermatological Science” EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.
17 citations
,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
9 citations
,
January 2021 in “Biomolecules” Infrared spectral imaging can map hair growth proteins and sugars without staining.
January 2018 in “International journal for pharmaceutical research scholars” Meniran extract hair tonic may stimulate hair growth in rats, with the version containing 1% menthol being more effective.
9 citations
,
July 2022 in “Journal of Cosmetic Dermatology” The ammonia-free hair dye is safe and improves hair shine, color, moisture, porosity, and combability.
4 citations
,
March 2022 in “Frontiers in pharmacology” Prunus mira Koehne is valuable for hair growth and has potential for sustainable use, but needs more research and conservation.
January 2023 in “Health science reports” French maritime pine bark extract significantly increased hair density in menopausal women.
13 citations
,
February 2019 in “Zoology” Lustre mutant sheep have normal hair structure and proteins but differ in felting properties.
September 2021 in “Rumphius Pattimura Biological Journal” Wetar Island honey has varying potassium and iron levels, affecting its health benefits.
August 2025 in “Molecules” 132 compounds were found in Justicia procumbens L., including 77 new ones.
6 citations
,
January 2021 in “Journal of the American Academy of Dermatology” PRP treatments for hair loss need standard protocols to be reliable.
8 citations
,
September 2021 in “EMBO Molecular Medicine” A new small peptide may help hair growth by activating a specific receptor and should be tested in humans.
6 citations
,
January 2016 in “Environmental footprints and eco-design of products and processes” The industry should promote pure luxury hair fibers, improve technology, and diversify products to support growers and ensure sustainable use.
6 citations
,
June 2013 in “British Journal of Dermatology” Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.
Researchers improved mouse skin cell culture methods and created a similar immortal cell line, but need to clarify their methods and benefits.