2 citations
,
January 2007 in “Actas Dermo-Sifiliográficas” Two cases of hairy elbows syndrome were described, with normal skin texture and symmetrical hair growth.
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.
29 citations
,
August 1985 in “Contact Dermatitis” Minoxidil can cause allergic reactions like burning, itching, and red bumps.
28 citations
,
November 2017 in “Skin appendage disorders” The document concludes that accurate diagnosis and treatment of scalp itch require differentiating between various conditions using a proposed five-step evaluation process.
1 citations
,
July 2016 in “Cosmetics” Black henna tattoos can cause severe allergies to hair and textile dyes, and there's a need for greater public awareness and regulation.
98 citations
,
November 2002 in “Contact Dermatitis” Many people had severe allergic reactions to a common hair dye ingredient, causing them to seek medical care and miss work.
35 citations
,
January 2020 in “Journal of the American Academy of Dermatology” Avoiding certain allergens in personal care products may improve symptoms for some patients with lichen planopilaris or frontal fibrosing alopecia.
47 citations
,
June 2015 in “Contact Dermatitis” A standardized patch test for hair cosmetics is needed in Europe to prevent allergies, especially for hairdressers.
186 citations
,
December 2011 in “Molecules” Three specific 4-azasteroid-2-oximes showed strong enzyme inhibition, but less than finasteride.
87 citations
,
April 1973 in “Endocrinology” The chemicals 17βC and its methyl ester can block the effects of testosterone on hamster skin but not the effects of DHT.
50 citations
,
May 2019 in “BioFactors” Pollution increases a compound in the skin that can lead to faster aging and more inflammation.
26 citations
,
July 2007 in “Biochemical Pharmacology” ISCK03 stops melanin production in human melanoma cells and lightens skin color in mice and guinea pigs.
25 citations
,
June 2002 in “Steroids” 4-azasteroids, including finasteride, can inhibit 5α-reductase, helping treat conditions like enlarged prostate and hair loss.
14 citations
,
May 2005 in “Steroids” A new method was developed to make finasteride for treating hair loss.
13 citations
,
April 1994 in “Baillière's clinical endocrinology and metabolism” Some people have genetic mutations that make them resistant to vitamin D, leading to rickets even with enough vitamin D intake.
11 citations
,
October 2024 in “Cell Death Discovery” 4-aminopyridine helps heal burn wounds faster by reducing inflammation and promoting new blood vessel growth.
11 citations
,
March 2009 in “Bioorganic & Medicinal Chemistry Letters” Chemicals called 4-(alkylthio)- and 4-(arylthio)-benzonitrile derivatives can potentially reduce oil production on skin, which could help treat conditions like acne and hair loss.
11 citations
,
August 2007 in “Bioorganic & Medicinal Chemistry Letters” Scientists made a chemical (compound 4e) that can be applied on skin to reduce oil production, which can help with acne, but it might cause skin sensitivity to light.
8 citations
,
March 2002 in “Archiv Der Pharmazie” The compound 4c effectively inhibits the enzyme linked to hair loss.
7 citations
,
September 1988 in “Baillière's clinical obstetrics and gynaecology” Cyproterone acetate is effective for treating hirsutism and acne in women by blocking androgens in the skin and also works as a contraceptive.
5 citations
,
February 2017 in “Biomolecules & Therapeutics” 4-O-Methylhonokiol helps protect skin cells from growth-stopping effects of a protein by regulating growth-related pathways.
3 citations
,
November 2011 in “European Journal of Dermatology” 4-O-methylhonokiol from Magnolia officinalis significantly promotes hair growth.
2 citations
,
December 2022 in “PNAS nexus” SCD-153 shows promise as an effective topical treatment for alopecia areata.
2 citations
,
June 2022 in “Journal of Applied Pharmaceutical Science” 4-O-Methylhonokiol from Magnolia shows promise for hair growth, cancer, diabetes, and more, but needs better absorption.
2 citations
,
February 2004 in “Biopolymers” 4-(4-Phenoxybenzoyl)benzoic acid derivatives can both increase and decrease certain types of reactive oxygen species, and may be relevant to hair loss.
1 citations
,
March 2024 in “Journal of Cellular and Molecular Medicine” 4-octyl itaconate may prevent hearing loss caused by the drug cisplatin by activating certain cell protection pathways.
1 citations
,
July 2017 in “Microbial Cell Factories” Adding soybean oil to Nonomuraea dietziae increases production of a beneficial compound by improving metabolism and enzyme systems.
January 2026 in “Journal of Cosmetic Dermatology” Topical 4-aminopyridine 5% does not improve hair growth in male pattern baldness.
4-Aminopyridine gel speeds up burn wound healing and improves skin regeneration.
December 2023 in “Redox biology” The substance DMC helps get rid of aging cells by triggering a process that causes cell death, which could treat age-related diseases.