A cosmetic composition having an excellent ultraviolet and infrared protection function, a greatly improved feeling of use and high product stability such as color stability.The cosmetic composition comprises a polygonal or disk-like ("go" stone-like) aluminum salt hydroxide particle represented by the following formula (1). Ma[Al1-x(Zn1-yFe(III)y)x]bAcBd(OH)n·mH2O (1)(wherein M is at least one cation selected from Na+ and K+, A is at least one member selected from organic acid anions having 2 to 10 carbon atoms and containing 1 to 4 carboxyl groups in the molecule, B is at least one inorganic acid anion selected from the group consisting of SO42- , NO31- and SiO32-, and a, b, c, d, m, n, x and y satisfy 0.7 ≦ a ≦ 1.35, 2.7 ≦ b≦ 3.3, 0 ≦ c ≦ 0.5, 1.7 ≦ d ≦ 2.4, 0 ≦ m ≦ 5, 4 ≦ n ≦ 7, 0 < x ≦ 0.66 and 0 < y ≦ 1.0, respectively.)
