January 2008 in “Chinese Journal of Spectroscopy Laboratory” Cysteine formation on hair indicates damage, best detected at pH 4.5.
2 citations
,
August 2023 in “Molecules” SH-340 may improve skin barrier and help treat atopic dermatitis.
December 2025 in “Biopolymers” Heat worsens damage in chemically treated hair, especially bleached and straightened hair.
15 citations
,
January 2024 in “Journal of Materials Chemistry B” The hydrogel speeds up wound healing and improves skin repair better than commercial options.
September 2018 in “University of the Arts London Research Online (University of the Arts London)” L-arginine, hydrolysed keratin, and cystine-silanol copolymer can help protect hair from damage during and after bleaching.
January 2005 in “Seibutsu Butsuri/Seibutsu butsuri” Chemical treatments damage hair more than UV exposure, making it thinner and less flexible.
7 citations
,
May 2024 in “Gels” The new collagen and tannic acid hydrogel effectively stops bleeding and aids tissue repair better than current options.
March 2010 in “Cosmetic Dermatology” Hair straightening methods have advanced to improve effectiveness and reduce damage, but still rely on heat and chemicals.
January 2026 in “Beilstein Journal of Organic Chemistry” A new, efficient method creates sulfinimidate esters from sulfenamides and alcohols without metals.
1 citations
,
June 2021 in “Preprints.org” Hair relaxers and straighteners can be toxic to skin cells.
9 citations
,
June 1947 in “Analytical Chemistry” Cold waving solutions quickly reduce cystine to cysteine in hair.
May 2010 in “Europe PMC (PubMed Central)” Near-infrared probes can safely and effectively image cysteine protease activity for disease diagnosis.
175 citations
,
December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
6 citations
,
October 1988 in “Clinics in Dermatology” The molecular details of hair growth are not well understood.
1 citations
,
January 2019 in “Studia Biologica” Extracted keratin from wool and hair can be used in medicine and bioengineering.
19 citations
,
April 2021 in “Journal of Cosmetic Dermatology” The treatment with silk proteins and linseed polysaccharides effectively protects and repairs chemically damaged hair.
2 citations
,
February 2016 in “Journal of sol-gel science and technology” A small molecule can strengthen fine hair, making it more resistant and natural-feeling.
1 citations
,
June 2014 in “[Thesis]. Manchester, UK: The University of Manchester; 2014.” Chemical modifications can alter hair's stability and flexibility, with hydrophobic interactions helping maintain structure in humid conditions.
2 citations
,
December 2020 in “Developmental cell” Chemotherapy drugs can cause abnormal growth and changes in healthy skin and gland cells.
14 citations
,
July 2015 in “International Journal of Molecular Sciences” S-Methylmethionine sulfonium can protect skin from UVB damage.
1 citations
,
January 2023 in “Chemical Engineering Journal”
January 2025 in “International Journal of Cosmetic Science” Citric acid strengthens and improves damaged hair.
Thiolated cyclodextrin-based nanoparticles effectively deliver Minoxidil for scalp treatment without causing skin irritation.
November 2025 in “Journal of Investigative Dermatology” 9 citations
,
January 2011 in “Journal of X-ray science and technology” Perming and bleaching damage hair differently, with bleached hair having more cysteic acid in the cuticle.
6 citations
,
December 2022 in “Journal of Materials Chemistry B” The dressing generates hydrogen sulfide to help heal wounds faster by reducing inflammation and promoting cell growth.
26 citations
,
January 1983 in “PubMed” Trichothiodystrophy involves brittle hair due to low sulfur amino acids, not a transport defect.
2 citations
,
March 2024 in “Dermatologic Surgery” The chemical peel improved the appearance of hand spots safely and effectively.
March 2025 in “Digital Library of Theses and Dissertations (Universidade de São Paulo)” Ferulic acid and resveratrol protect hair from chemical and sun damage.
2 citations
,
January 1968 in “PubMed” Sulfur-containing radioprotectors can protect hair from X-ray damage if given before exposure but worsen damage if given after.