2 citations
,
January 2004 in “PubMed” This study concluded that Polyquaternium-10 conditioner softens the surface of the scale face on hair fibers.
2 citations
,
December 1994 in “International Journal of Cosmetic Science” In this study, the combination of biologically engineered hyaluronic acid and polyquaternium-10 improved hyaluronic acid's retention and moisturizing effects on hair by forming a stable complex that increased binding affinity to keratin.
May 2026 in “Frontiers in Pharmacology” In this study, DOP treatment improved hair regrowth in androgenetic alopecia by altering local steroid metabolism and follicular morphology.
4 citations
,
November 2017 in “Journal of Cosmetic Dermatology” This study found that polyquaternium-68 at pH 9 achieved the greatest hair deposition, while polyquaternium-44 demonstrated the best wash resistance at pH 6.
13 citations
,
March 2006 in “International Journal of Cosmetic Science” The study found that a polymer treatment changes the charge on hair surfaces, making bleached hair smoother and less porous.