| http://www.w3.org/ns/prov#value | - Another embodiment of the process according to the invention consists in forming the combination of the cationic derivative and the amphoteric polymer on the fibres, and in particular on the hair, by applying, in a first step, a composition, for example in the form of a pre-lotion, containing the cationic polymer, and in a second state, a composition, such as a shampoo or a dye, containing the amp
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