Since hair is exposed to various conditions every day, many hair care products are on the market that repair or reduce hair damage. In order to evaluate the repair effect on damaged hair, it is necessary to understand the characteristics of the outermost surface of the hair fibre and the adsorption behaviour of the repair agent.
Therefore, the zeta potential of virgin and damaged hair determined by the streaming potential method was used to characterise the hair surface and to track the adsorption behaviour of a cationic polymer used as a repair component.
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First seven members join NG’s Great Grid Partnership
So in addition to (as seems likely) Great British Energy & Great British Railways we also have the Great Grid Upgrade To me, this rather … grates?