28 citations
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January 2016 in “RSC Advances” A non-toxic formula using polycarboxylic acids strengthens and improves hair.
Using enzymes to link proteins makes hair repair treatments more effective and long-lasting.
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.
2 citations
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September 1980 in “Experientia” Polyethylene alanine caused hair loss in young lab animals but not in adults, with hair regrowth occurring within 20 days.
August 2021 in “Han'gug miyong haghoeji/Journal of the Korean society of cosmetology” Using natural polyphenol cross-linkers like tannic acid and green tea extract in perm treatments improves curling and protects hair.