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At the drugstore, I tend to see the same ingredients in conditioners across many brands. I know from the BeautyBrains that polyquaterniums actually stick to hair even after rinsing. Do silicones in conditioners have a similar effect, or do they rinse off the way an oil would in a conditioner? I have come across dimethicone and amodimethicone in many drugstore options.
What about ingredients like bis-aminopropyl dimethicone or stearamidopropyl dimethylamine?Dimethicone can deposit and stay on hair during rinsing using a mechanism known as “dilution deposition.” Others, like Amodimethicone and bis-aminopropyl dimethicone, are chemically modified to have a positive charge so they can stay behind through attraction to damaged sites on hair which have a negative charge.
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