A process of masking/modifying olfactive/gustatory sensation generated in a user by a base product (7), comprises releasing an aromatic/scenting composition sequenced in a time related to the release of the base product. The aromatic scenting composition is contained in a rupturable capsule. The capsule comprises a rupturable envelope and a core comprising the aromatic/scenting composition. The aromatic/scenting composition is unstable and/or incompatible with the base product. A process of masking/modifying olfactive/gustatory sensation generated in a user by a base product (7), comprises releasing an aromatic/scenting composition sequenced in a time related to the release of the base product. The aromatic scenting composition is contained in a rupturable capsule. The capsule comprises a rupturable envelope and a core comprising the aromatic/scenting composition. The aromatic/scenting composition is unstable and/or incompatible with the base product. The first aromatic/scenting composition contained in the capsule is released by rupture of the capsule before releasing the base product. The second aromatic/scenting composition contained in another capsule is identical/different from the first composition in which the second composition is released by rupture of the capsule constantly during the release of a determined quantity of base product. The base product is present in cream, milk, lotion, gel, ointment, pomade, emulsion, gas, solid dispersion and liquid dispersion. The base product contains a pharmaceutical active ingredient, a pharmaceutical composition, a drug, a cosmetic active agent, a cosmetic care cream, a capillary shampoo product, a coloring capillary/depilatory cream product, active phytopharmaceutical agent or an insecticide. The base product is a yoghourt, a sauce, a drink, a personal hygiene, an oral, domestic or industrial hygiene, detergent, softener and bactericide. Independent claims are included for: (1) a masking/modifying device； (2) a scent
