The present invention relates to a composition for specific use comprising Lychnis cognata extract. The composition of the present invention provides a whitening composition and an anti-ageing composition comprising Lychnis cognata extract having effects of inhibiting activity of tyrosinase and elastase.본 발명은 동자꽃 추출물을 포함하는 특정 용도의 조성물에 관한 것이다