A cosmetic product for hair bleaching or hair dyeing comprises a first agent containing an alkali agent, a second agent containing hydrogen peroxide, and a nonaerosol foamer container for discharging a mixed solution thereof in the form of foam, the mixed solution containing 1 mass % or more of the components (A) and (B) in total, wherein a mass ratio (B)/(A) is 0.25 or more.(A) 0.01 to 5 mass % of an anionic surfactant containing sulfuric acid group represented by the following formulaR—O—(CH2CH2O)n—[CH2CH(CH3)O]m—SO3Mwherein R represents a C8-25 hydrocarbon group, n and m each represent an average number of moles added of 0 to 50, and M represents an alkali metal or NH4, and(B) a polymer comprising a diallyl quaternary ammonium salt as a constitutional unit and having a charge density of 5.5 meq/g or more and 8.0 meq/g or less.