(a 1 ) diphenylacrylate, (a 2 ) hydroxyphenyl triazine of formula (1), (a 3 ) benzotriazole derivative of formula (2) and (a 4 ) dialkyl naphthalate Stabilizing a cosmetic composition comprising a UV-absorbing agent selected from (b) a symmetric triazine derivative of formula (3), and (c 1 ) cinnamic acid derivatives and (c 2 ) dibenzoylmethane derivative Uses for this are described. [Formula 1] [Wherein, R 1 , R 2 and R 3 are independently of each other C 1 -C 18 alkyl] [Formula 2] [In the meal, R 4 has 8 to 30 carbon atoms, respectively (2a) At least three isomeric branched 2 having E 1 is straight C 1 -C 14 alkyl, E 2 is straight C 4 -C 15 alkyl, and the sum of the carbon atoms of E 1 and E 2 is 7 to 29 Is a random statistical mixture of primary alkyl groups, R 5 is C 1 -C 5 alkyl] [Formula 3] [In the meal, A is of formula (3a) Or (3b) Wherein R 6 and R 10 are independently of each other hydrogen, C 1 -C 18 alkyl or C 6 -C 12 aryl, and R 7 , R 8 and R 9 are independently of each other hydrogen or a formula (3c ) Wherein, for formula (3a), at least one of the radicals R 7 , R 8 and R 9 is a radical of formula (3c), and R 11 , R 12 , R 13 and R 14 are independently hydrogen , Hydroxy, halogen, C 1 -C 18 alkyl, C 1 -C 18 alkoxy, C 6 -C 12 aryl, biphenylyl, C 6 -C 12 aryloxy, C 1 -C 18 alkylthio, carboxy,- COOM, C 1 -C 18 -alkylcarboxyl, aminocarbonyl, or mono- or di-C 1 -C 18 alkylamino, C 1 -C 10 acylamino or -COOH, M is an alkali metal ion, x Is 1 or 2, and y is a number from 2 to 10).(a1) 디페닐아크릴레이트, (a2) 하기 화학식 (1)의 히드록시페닐 트리아진, (a3) 하기 화학식 (2)의 벤조트리아졸 유도체 및 (a4) 디알킬 나프탈레이트로부터 선택되는 UV 흡수제의, (b) 하기 화학식 (3)의 대칭적 트리아진 유도체, 및 (c1) 신남산 유도체 및 (c2) 디벤조일메탄 유도체로부터 선택되는 UV-흡수제를 포함하는 미용 조성물을 안정화시키기 위한 용도가 기재되어 있다.[화학식 1][식 중, R1, R2 및 R3은 서로에 독립적으로 C1-C18알킬이다][화학식 2][식 중, R4는 각각 탄소수가 8 내지 30이고 화학식 (2a) (여기서 E1은 직쇄 C1-C14알킬이고, E2는 직쇄 C4-C15알킬이고, E1과 E2의 탄소수 합은 7 내지 29이다)을 가지는 3종 이상의 이성질체성 분지형 2차 알킬기의 랜덤 통계적 혼합물이고,R5는 C1-C5알킬이다][화학식 3][식 중, A는 화학식
