A cosmetic product includes at least: a first anhydrous cosmetic composition including at least coloring particles that are solid at room temperature and atmospheric pressure, the particles being formed from: at least one hydrophilic dyestuff in a content of greater than or equal to 60% by weight relative to their total weight, at least one effervescent system in a content of less than or equal to 20% by weight relative to their total weight, at least one hydrophilic binder, and at least one dispersant that is different from the hydrophilic binder; and a second composition comprising at least one aqueous phase.