10 citations,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
2 citations,
June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
June 2024 in “Molecules/Molecules online/Molecules annual” Platycladus orientalis flavonoids protect balding hair from UV damage and slow hair color change.
14 citations,
October 2020 in “Scientific reports” Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.
4 citations,
March 2014 in “PubMed” Monoethanolamine-based hair colorants can cause more damage to hair than ammonia-based ones.
June 2002 in “Science of aging knowledge environment” The cancer gene c-Myc increases harmful chemicals that damage DNA and can lead to cancer, but antioxidants can reduce this damage.
86 citations,
January 1996 in “Clinics in dermatology” Hair can be damaged by daily routines, but protein-based products can protect and improve it.
20 citations,
January 2003 in “Journal of oleo science” Chemical treatments and daily stresses damage hair, especially the cuticle layer.
15 citations,
June 2019 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Chemical and physical treatments like bleaching, dyeing, and UV radiation damage both Caucasian and Afro-ethnic hair.
1 citations,
January 2013 in “Chronicles of young scientists” Immuno-cosmeceuticals from chicken egg yolk can effectively repair and improve damaged hair.
Coconut oil can damage hair by clogging pores, causing frizz, and disrupting moisture balance.
17 citations,
December 2002 in “Biochemical and biophysical research communications” Scientists found out how a specific protein in human hair cuticles behaves and is structured.
August 2013 in “Nature Reviews Drug Discovery” A protein called FGF9 helps regenerate hair follicles in mice after skin damage, and increasing FGF9 could potentially help human hair growth.
9 citations,
November 2021 in “Frontiers in Cell and Developmental Biology” PBX1 helps reduce aging and cell death in hair follicle stem cells by decreasing DNA damage, not by improving DNA repair.
October 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” A protein called EGFR protects hair follicle stem cells, and when it's disrupted, hair follicles can be damaged, but blocking certain pathways can restore hair growth.
January 2009 in “프로그램북(구 초록집)” Panthenol is more effective than hydrolyzed protein at improving hair roughness and reducing breakage.
April 2020 in “The FASEB Journal” Loss of Rap1 protein speeds up heart aging in mice.
August 2024 in “Food Bioscience” Bifidobacterium longum BB536 metabolites may help treat hair loss by repairing and promoting hair cell growth.
19 citations,
January 2015 in “Current problems in dermatology” Ultraviolet rays damage hair, smoking may cause hair loss, and good nutrition is important for hair health, but genetics mainly decide hair thickness.
9 citations,
October 2011 in “Journal of proteomics” Taxol damages hair growth cells, causing hair loss.
5 citations,
October 2003 in “PubMed” Chemical treatments and light exposure damage hair proteins.
1 citations,
February 2003 UV radiation causes significant protein loss and color changes in hair, especially blond hair.
January 2020 in “Indian dermatology online journal” Hair styling products can damage hair over time.
6 citations,
July 2013 in “Experimental and Therapeutic Medicine” Ginsenoside Rg1 protects mouse skin from UVB damage and helps control inflammation.
8 citations,
January 2018 in “Journal of cosmetic dermatology” Conditioners in hair dye reduce damage and improve combability.
7 citations,
February 1985 in “Textile Research Journal” Cellular debris sticks to damaged wool fibers and affects wool cleanliness.
3 citations,
March 2013 in “Journal of the Society of Cosmetic Scientists of Korea” Transglutaminase can repair damaged hair, making it stronger and shinier.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
12 citations,
January 2002 in “Environmental and Molecular Mutagenesis” Smoking reduces antioxidants and causes DNA damage in hair follicles.
11 citations,
June 2019 in “Tissue & Cell” Hair stem cells produce a protein called COL17A1 that plays a key role in their development and is linked to hair thinning and baldness.