January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
May 2024 in “International Journal of Cosmetic Science” Disulfide bonds are crucial for hair's strength, especially when wet.
70 citations
,
June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
71 citations
,
May 2006 in “The journal of investigative dermatology/Journal of investigative dermatology” TTD hair brittleness is caused by multiple structural abnormalities.
January 2026 in “Molecules” A new perming method is less damaging to hair and works as well as traditional methods.
91 citations
,
December 2000 in “The journal of cell biology/The Journal of cell biology” Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.
1 citations
,
March 2023 in “Journal of Natural Fibers” A gentler, less damaging method for curling hair using tyrosine works well initially but fades after washing.
1 citations
,
January 2019 in “Studia Biologica” Extracted keratin from wool and hair can be used in medicine and bioengineering.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
April 2025 in “Pharmaceuticals” APA is a promising new compound for repairing damaged hair, outperforming Olaplex® in strength and elasticity.
18 citations
,
January 2018 in “Advances in experimental medicine and biology” Hair keratins evolved from ancient proteins, diversifying through gene changes, crucial for forming claws and later hair in mammals.
3 citations
,
September 2021 in “Data in brief” Bleaching hair changes its structure and weakens it, which is important for understanding hair damage and creating treatments.
Hidradenitis Suppurativa has genetic links, with certain gene mutations more common in patients and a third of cases having a family history.
27 citations
,
May 2019 in “Cosmetics” The hair cuticle is made of tough proteins that protect the hair, but more research is needed to fully understand its structure.
21 citations
,
February 2019 in “Experimental Dermatology” Different fields of expertise must work together to better understand hair growth and create effective hair loss treatments.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
10 citations
,
October 2016 in “Journal of Biomolecular NMR” Solid-state NMR can effectively study keratin structure and treatment effects in fur.
37 citations
,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
17 citations
,
January 2016 in “Journal of Drug Delivery” PEG and keratin scaffolds can effectively deliver protein drugs by controlling release based on pH levels.
14 citations
,
April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.
204 citations
,
October 1999 in “EMBO journal” Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.
27 citations
,
April 1992 in “Biochemical Journal” Minoxidil reduces lysine hydroxylase in skin cells.
59 citations
,
May 2017 in “Scientific reports” ZDHHC13 is important for normal liver function and metabolism, affecting mitochondrial activity.
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.
7 citations
,
August 2018 in “Journal of cosmetic dermatology” Chemical hair straightening improves smoothness and shine but may cause side effects, suggesting a need for safer methods.
Water and fatty acids affect hair's surface differently based on hair damage, and models can help understand hair-cosmetic interactions.
20 citations
,
July 1988 in “Clinics in dermatology” Thioglycolate lotions are the most popular method for permanent waving and hair straightening.
199 citations
,
January 2004 in “The International Journal of Developmental Biology” Hair follicle growth and development are controlled by specific genes and molecular signals.
132 citations
,
August 2012 in “Biochimica et Biophysica Acta (BBA) - General Subjects” TGF-β signaling is crucial for stem cell maintenance, differentiation, and has implications for cancer treatment.