28 citations
,
November 2009 in “European Journal of Neuroscience” Progesterone and allopregnanolone increase glycine release in rat brain cells.
7 citations
,
January 1982 in “Acta agriculturae Scandinavica” Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.
January 2019 in “Proceedings for Annual Meeting of The Japanese Pharmacological Society” Nε-(carboxymethyl) lysine delays hair growth by blocking a key protein.
May 2023 in “Pharmaceuticals” Three specific mutations in the LIPH gene can cause hair loss by damaging the protein's structure and function.
Newly designed proteins can effectively degrade specific proteins in cells, offering a promising alternative for targeted protein degradation.
13 citations
,
July 2017 in “Biopolymers” Recombinant keratins can form useful structures for medical applications, overcoming natural keratin limitations.
11 citations
,
July 2015 in “Journal of Anatomy” SLVs help maintain muscle stretch sensitivity and could aid in treating hypertension and muscle spasticity.
99 citations
,
August 1998 in “Pain” Blocking GABA(A) receptors increases neuron sensitivity, showing GABA and glycine have different roles in pain.
July 2024 in “International journal of agriculture and food sciences research.” The new fish peptide conditioner significantly improves and repairs damaged hair better than a commercial wheat protein conditioner.
3 citations
,
April 2015 in “Current problems in dermatology” A more sensitive assay was developed to detect enzyme activity converting arginine to citrulline in hair follicles.
January 2019 in “Archives of dermatology and skin care” Biomimetic peptides were found to promote hair growth and prolong the growth phase in human hair follicles.
Neuropeptides affect hair growth and could be used to control it.
6 citations
,
May 2022 in “Colloids and Surfaces B: Biointerfaces” Eating peptides from certain shellfish may help wounds heal faster by reducing inflammation.
1 citations
,
January 1992 in “DNA sequence” Researchers found a non-functional sheep keratin gene due to mutations.
9 citations
,
January 1981 Nucleophilic reagents break down hair keratin, forming more lanthionine and lysinoalanine than in wool.
May 2017 in “bioRxiv (Cold Spring Harbor Laboratory)” The peach gene pCTG134 helps control the interaction between auxin and ethylene hormones during fruit ripening.
October 2023 in “Journal of Cosmetic Dermatology” A synthetic octapeptide may help promote hair growth and counteract hair loss.
103 citations
,
February 1972 in “Proceedings of the National Academy of Sciences” A unique enzyme in guinea pig hair follicles helps form protein cross-links in hair.
July 2024 in “Journal of Investigative Dermatology” A peptide in shampoo can promote hair growth and improve hair condition.
46 citations
,
December 1992 in “Journal of Investigative Dermatology” Minoxidil decreases LH expression, while hydralazine has mixed effects on prolyl and lysyl hydroxylase activities.
16 citations
,
June 1992 in “Journal of Investigative Dermatology” 44 citations
,
July 1993 in “Journal of Investigative Dermatology”
1 citations
,
July 2024 in “International Journal of Dermatology Venereology and Leprosy Sciences” Cysteine strengthens hair, and glutamine fuels hair growth.
11 citations
,
January 1997 in “Journal of Dermatological Science” A new protein linked to hair strength was identified, aiding in understanding brittle hair conditions.
7 citations
,
December 1956 in “Science” 1 citations
,
December 1956 in “Science”
15 citations
,
October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
5 citations
,
May 1983 in “Australian journal of biological sciences” Certain amino acid analogues can inhibit wool and hair growth and affect fiber strength.
75 citations
,
March 2018 in “Molecules/Molecules online/Molecules annual” L-Cysteine may have health benefits, but its effectiveness is still debated due to limited clinical trial data.
Polyglutamic acid is a valuable, sustainable ingredient for skincare and haircare products.