November 2016 in “University of the Arts London Research Online (University of the Arts London)” This study concluded that adding polymeric conditioning actives to shampoos improved color retention in permanently dyed hair, while additional cationic dyes at certain pH levels weakly dyed the hair directly.
This study found that high-charge-density cassia HPTC improves deposition efficiency and conditioning benefits in shampoos compared to quaternized guar, suggesting its potential as an alternative or adjunct conditioning agent.
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September 2008 in “International Journal of Cosmetic Science” This study found that high-charge-density cassia HPTC improves deposition efficiency and conditioning benefits in shampoos compared to quaternized guar, suggesting its potential as an alternative or adjunct conditioning agent.
1 citations
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January 2004 in “China Surfactant Detergent & Cosmetics” This study found that tea-seed saponin modified silicone polymer quaternary ammonium salt significantly improves hair conditioning performance in both dry and wet states when used in shampoo formulations.
25 citations
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May 2008 in “Journal of cosmetic dermatology” This study found that adding certain conditioning agents, including jojoba oil and lauryl PEG/PPG‐18/18 methicone, to ammonium thioglycolate straightening emulsions protected Afro-ethnic hair from protein loss and improved resistance to breakage.