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.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
Hyaluronic acid in shampoo penetrated hair well, reduced frizz, and improved hair strength and moisture.
8 citations
,
March 2012 in “Mass spectrometry letters” The S9 fraction with GC-IDMS is effective for measuring 5α-reductase activity.
January 2026 in “Colloids and Surfaces B Biointerfaces” A silicone treatment makes damaged hair more water-resistant and stronger.
6 citations
,
February 1989 in “PubMed” Hair glycation can indicate long-term blood sugar levels and diabetic nerve issues.
November 2020 in “Postepy Dermatologii I Alergologii” Sulfotransferase SULT1A1 activity may predict minoxidil treatment success for hair loss.
226 citations
,
January 2002 in “Biological and Pharmaceutical Bulletin” A new method quickly extracts and identifies proteins from hair and other keratin sources.
January 2013 in “Transactions of the Materials Research Society of Japan” CMADK reduces hair damage from bleaching and permanent waving.
52 citations
,
February 2005 in “Biopolymers” Chemical hair straightening changes hair proteins and mostly fixes broken bonds.
12 citations
,
January 1994 in “Dermatology” The patient's hair had unique damage and a lower sulfur-to-nitrogen ratio compared to relatives, but not compared to healthy controls.
15 citations
,
October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
1 citations
,
September 2021 in “Biomedical & Pharmacology Journal” Reticulocyte hemoglobin content is the best indicator of iron deficiency in women with diffuse non-scarring hair loss.
April 2018 in “Journal of Investigative Dermatology” Resveratrol activates the Nrf2 pathway in human skin, significantly increasing the production and distribution of the antioxidant glutathione.
7 citations
,
March 2023 in “European Journal of Dermatology” Using Selenium Disulfide shampoo weekly helps prevent scalp dermatitis flare-ups.
Hair cortisol may help identify adrenal insufficiency in sickle cell disease patients.
4 citations
,
May 2020 in “Medicine in Drug Discovery” The study developed a method to detect minoxidil and its sulfate form, found that minoxidil sulfate is temperature-sensitive, and identified a way to potentially increase its stability for hair loss treatment.
19 citations
,
May 2010 in “Surface and interface analysis” 18-MEA is essential for hair's water resistance, and a conditioner with 18-MEA and SPDA can restore it.
20 citations
,
February 1968 in “Journal of Histochemistry & Cytochemistry” A new test more accurately detects citrulline in hair follicles and pilomatrixomas.
7 citations
,
January 2002 in “Biological Trace Element Research” Children with pituitary dwarfism have higher zinc and copper, lower manganese, and similar iron levels in hair compared to normal children.
April 2020 in “International Journal of Cosmetic Science” The study found that minor protein differences between curved and straight Japanese hair are unlikely to significantly affect hair structure.
5 citations
,
July 2014 in “Journal of X-Ray Science and Technology” Hair analysis can help diagnose cell ion channel activity and calcium deficiency.
67 citations
,
December 1990 in “The journal of cell biology/The Journal of cell biology” Researchers found genes for cysteine-rich proteins that form the protective layer of hair in humans and sheep.
September 2010 in “대한화장품학회지(J. Soc. Cosmet. Scientists Korea)” The study developed a reliable method to measure active ingredients in hair nourisher products using HPLC.
January 2018 in “ScholarWorks @UVM (University of Vermont)” Selenium in proteins helps prevent over-oxidation and supports chemical reversibility.
13 citations
,
May 2016 in “International journal of biological macromolecules” Keratin's mechanical properties are influenced by hydrogen bonds and secondary structure, and can be improved with the SPD-2 peptide.
111 citations
,
August 2002 in “Journal of Medicinal Chemistry” New compounds were made that block an enzyme linked to breast cancer better than existing treatments.
19 citations
,
October 1989 in “PubMed” Minoxidil helps hair growth by being sulfated in hair follicles.
61 citations
,
December 2001 in “Journal of Investigative Dermatology” Steroid sulfatase in hair follicles may be a target for treating hair loss.
14 citations
,
November 1963 in “The journal of investigative dermatology/Journal of investigative dermatology” Pathologic tissues have more soluble proteins than normal tissues.