40 citations
,
June 2013 in “Journal of cosmetic dermatology” Brazilian keratin treatments can straighten hair but may contain harmful formaldehyde.
36 citations
,
November 2019 in “Molecular biology and evolution” Cysteine-rich keratins evolved independently in mammals, reptiles, and birds for hard skin structures like hair, claws, and feathers.
22 citations
,
March 2018 in “American Journal of Clinical Dermatology” New acne treatments show promise as alternatives to traditional therapies.
4 citations
,
July 2016 in “Journal of cosmetic dermatology” Dermatologists should use hair relaxers carefully to avoid hair and scalp damage, following specific guidelines for application and maintenance.
September 2020 in “Benha Journal of Applied Sciences” Protein hair straighteners damage the hair more than hair dyes.
January 2019 in “Springer eBooks” Some chemicals and drugs can cause hair loss, which usually grows back after stopping the treatment.
22 citations
,
December 2020 in “mSphere” A fungal enzyme was used to make compounds more soluble, aiding drug discovery and crop protection.
72 citations
,
July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
27 citations
,
April 1992 in “Biochemical Journal” Minoxidil reduces lysine hydroxylase in skin cells.
24 citations
,
May 1982 in “Biochemical Pharmacology” These drugs cause hair growth without affecting testosterone or adrenal hormones.
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.
12 citations
,
December 2017 in “Journal of biomaterials science. Polymer ed.” Human hair protein extracts can protect skin cells from oxidative stress.
7 citations
,
September 2020 in “Journal of Cosmetic Dermatology” Serum biomarkers like insulin-like growth factor-1 and vitamin D may help diagnose androgenetic alopecia.
2 citations
,
December 2023 in “Royal Society of Chemistry eBooks” Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
2 citations
,
March 2019 in “European Journal of Dermatology” Pharmacy-sold shampoos tend to have fewer allergens compared to those sold in other stores.
June 2021 in “Journal of emerging technologies and innovative research” Onion and Aloe vera can help protect hair from damage caused by hair dyes.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
December 2020 in “Journal of Aesthetic Nursing” Injecting platelet-rich plasma into the scalp stimulates hair growth, increases hair density, and treats hair loss effectively with minimal side effects.
October 2020 in “Journal of Aesthetic Nursing” Platelet-rich plasma (PRP) injections effectively treat hair loss and thinning in both men and women, with high satisfaction and no major side effects.
Hair loss in African American women, caused by hair care, genetics, and environment, needs more research for better treatment.
17 citations
,
July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.
54 citations
,
January 1984 in “Molecular and Cellular Biochemistry”
226 citations
,
January 2002 in “Biological and Pharmaceutical Bulletin” A new method quickly extracts and identifies proteins from hair and other keratin sources.
204 citations
,
October 1999 in “EMBO journal” Overexpression of activin A in mice skin causes skin thickening, fibrosis, and improved wound healing.
71 citations
,
August 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Hair keratin-associated proteins are essential for strong hair, with over 80 genes showing specific patterns and variations among people.
66 citations
,
April 1995 in “The journal of cell biology/The Journal of cell biology” A new protein was made to detect specific skin cell growth receptors and worked in normal skin but not in skin cancer cells.
47 citations
,
May 1995 in “Journal of Investigative Dermatology” Hair follicles in people with alopecia have lower levels of a key blood vessel growth protein.
32 citations
,
February 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Two specific hair keratin genes are active during hair growth and decline as hair transitions to rest.
30 citations
,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
26 citations
,
September 1990 in “Ophthalmology” The study found no common cause for a girl's crystalline cataract and uncombable hair, suggesting their co-occurrence might be coincidental.