March 2026 in “Egyptian Journal of Forensic Sciences” Unified regulations and ethical guidelines are needed for fair use of forensic DNA phenotyping.
Dark hair with a red beard likely evolved for camouflage, not attraction.
January 2012 in “Journal of Investigative Dermatology” Some Greek melanoma patients have gene mutations linked to increased cancer risk, a new color feature helps diagnose melanoma, the incidence of a skin condition in the Netherlands is rare, and a gene possibly affects male-pattern baldness.
2 citations
,
January 2019 in “Annals of Dermatology” Melandrium firmum extract helps mice grow hair by blocking a hair loss enzyme and changing hair growth genes.
February 2025 in “International Journal of Molecular Sciences” Altered lipid pathways in diabetic women may cause premature greying.
5 citations
,
August 2014 in “Dermatologic surgery” Advanced fluorescence technology effectively treats skin discoloration from certain creams.
November 2022 in “Journal of Investigative Dermatology” Blocking mTORC1 activity could increase hair pigmentation and potentially reverse greying.
June 2017 in “University of the Arts London Research Online (University of the Arts London)” Polymers help reduce damage and improve bleached hair when used during or after bleaching.
March 2026 in “European Journal of Biomedical and Life Sciences” Restorative dermopigmentation improves skin appearance and function by addressing specific skin issues.
21 citations
,
June 2003 in “Journal of Morphology” Monotreme and marsupial skin proteins show primitive features and species-specific differences compared to placental mammals.
35 citations
,
February 1993 in “International Journal of Dermatology” Cosmetic procedures can trigger pemphigus, an autoimmune disease.
3 citations
,
April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
82 citations
,
January 1997 in “Forensic science international” Drugs can be incorporated into hair based on their chemical properties and hair pigmentation.
30 citations
,
December 2001 in “Experimental dermatology” Gonadal hormones significantly affect the severity of alopecia areata in mice.
25 citations
,
December 1973 in “Biochemical Journal” Guinea-pig hair and follicle proteins are mostly similar, but follicles have more group 2 proteins and fewer group 3 and 4 proteins.
3 citations
,
July 2024 in “Cureus” Platelet-rich plasma (PRP) shows promise for treating melasma but needs more research for confirmation.
Different thymic peptides affect hair growth in various ways.
January 2008 in “中山醫學大學醫學研究所學位論文” Danthron from Rhubarb causes melanoma cells to stop growing and die.
32 citations
,
March 2016 in “American Journal of Physical Anthropology” African hair is curled, Asian hair is thick, European hair is lighter, and chemical methods help identify hair color differences.
65 citations
,
May 2001 in “Journal of Analytical Toxicology” Basic drugs like amphetamine are absorbed more in darker hair than lighter hair.
29 citations
,
July 2003 in “Experimental Dermatology” The upper hair follicle is stable, while the lower part allows movement during hair growth.
61 citations
,
February 1982 in “Cell and Tissue Research” March 2025 in “International Journal of Molecular Sciences” Melatonin promotes hair growth and quality by enhancing hair follicle development and reducing stress.
138 citations
,
November 2015 in “Journal of Pharmacology and Experimental Therapeutics” Protoporphyrin IX is useful in cancer treatment but can cause health problems if not properly regulated.
April 2023 in “Journal of Investigative Dermatology” Melatonin may help prevent hair loss caused by the chemotherapy drug paclitaxel.
44 citations
,
May 2006 in “The Journal of the American Animal Hospital Association/Journal of the American Animal Hospital Association” Both treatments for pemphigus foliaceus in dogs are effective, but combination therapy has more side effects.
1 citations
,
June 2019 in “Journal of Biological and Scientific Opinion” PPD in mehendi can cause serious health problems and needs regulation.
44 citations
,
July 1993 in “Journal of Investigative Dermatology” November 2025 in “Journal of Investigative Dermatology” Alpha-MSH affects mitochondrial function, and MC1R mutations may increase skin aging.
November 2025 in “Journal of Investigative Dermatology” AMP-303 injections can increase hair growth in androgenetic alopecia with minimal side effects.