11 citations
,
January 2011 in “Turkish Journal of Medical Sciences” Low iron levels are a significant risk factor for hair loss, while high vitamin D levels might be a response to hair loss, not a cause.
10 citations
,
November 2016 in “International Journal of Cosmetic Science” A tough membrane between the outer and inner layers of human hair protects it from damage.
5 citations
,
January 1990 in “Journal of Society of Cosmetic Chemists of Japan” Permanent wave lotion can extract proteins from hair, especially when pH is higher, and repeated treatments or bleaching can damage hair.
Adequate vitamin D might lower, and high hair chromium might increase DNA damage in obese women.
An infant with a zinc deficiency skin disorder improved with zinc treatment.
September 2022 in “Institutional Repositories DataBase (IRDB)” Adipose-derived stem cells can be transformed into hair-forming cells using specific extracellular vesicles, offering potential for hair regeneration therapies.
April 2012 in “CORD. Coconut research & development/CORD” Coconut leaf vermiwash improves soil health and crop yields in organic farming.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
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.
75 citations
,
September 2015 in “Acta biomaterialia” Alkylation of human hair keratin allows for adjustable drug release rates in hydrogels for medical use.
13 citations
,
June 2011 in “International Journal of Cosmetic Science” Human hair absorbs calcium and magnesium from tap water, affecting its structure and styling properties.
2 citations
,
January 2016 in “Springer briefs in molecular science” Using natural sources as hair conditioners can help restore shine and softness to damaged hair.
To repair damaged hair, use products with proteins, lipids, and moisture like keratin, citric acid, and oils.
June 2024 in “Journal of Clinical Oncology” Frequent use of chemical hair relaxers may increase endometrial cancer risk in Black women.
Apple cider vinegar rinses for synthetic hair extensions lack scientific proof of reducing harmful chemicals.
June 2010 in “DR-NTU (Nanyang Technological University)” Hair coloring and chlorine change hair strength differently.
October 2025 in “International Journal of Cosmetic Science” Hair properties vary by ethnicity and environment, affecting surface charge and particle deposition.
1 citations
,
January 2006 High temperatures and cosmetic processes can damage hair keratin, affecting its structure and strength.
October 2025 in “International Journal of Research and Review” Herbal shampoo bars are eco-friendly and beneficial for hair and scalp but need improvements for wider use.
12 citations
,
July 2012 in “Journal of Applied Polymer Science” Botanical extracts can protect and repair bleached hair.
72 citations
,
December 2011
40 citations
,
February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
September 2021 in “Kazanskij medicinskij žurnal” Electrical and chemical skin stimulation can improve hair growth.
March 2010 in “International Journal of Cosmetic Science” Disulfide bonds affect the melting behavior of hair's crystalline structure, but hair retains some stability even after these bonds are broken.
10 citations
,
August 2021 in “Cosmetics” The best shampoo formula used 1% high-weight hyaluronic acid, 10% acidic sophorolipid, and 1% salt for effective hair conditioning and cleansing without sulfates or silicones.
July 2025 in “Journal of Cosmetic Dermatology” The model shows how heat damages hair, helping test hair care products.
29 citations
,
December 1998 in “European Respiratory Journal” Hair bleach can make rabbit airways more sensitive.