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 formula €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR-O-(CH 2 CH 2 O) n -[CH 2 CH(CH 3 )O] m -SO 3 M wherein R represents a C 8-25 hydrocarbon group, n and m each represent an average number of moles added of 0 to 50, and M represents an alkali metal or NH 4 , 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.
