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瓜爾膠

Guar hydroxypropyltrimonium chloride

Cationic guar gum is an anti-static and conditioning agent which improves hair combability and shine. 

Cationic guar gum is derived from a gum that is extracted from the Cyamopsis tetragonoloba seeds. So why is this ingredient classed as a synthetic? In simple words, the natural gum is modified to be charged with positive ions, which will be attracted to the negative charge of the hair and change it into a neutral charge (old chemistry lessons memories are coming back?), resulting in light and flat hair, easier to brush. This anti-static effect is at the base of all conditioners.

Transformed guar gum also shares thickening properties with the natural one, helping to control the viscosity of a product. It is water-soluble and forms a shiny and silky film on the hair, conditioning the hair until the next shampoo.