The present invention relates to a composition to be externally applied to the skin, containing Chamaecyparis obtusa polysaccharides as active ingredients, and more particularly, to a composition to be externally applied to the skin, which contains Chamaecyparis obtusa polysaccharides to not only promote collagen production, improve skin elasticity, diminish wrinkles, inhibit melanogenesis and thus achieve excellent skin-whitening effects, but to also promote keratinocyte differentiation, improve skin moisturizing effects, and achieve superior anti-inflammatory and skin regeneration effects.La présente invention concerne une composition à appliquer de manière externe sur la peau, qui contient des polysaccharides de Chamaecyparis obtusa en tant que principes actifs, et plus particulièrement, une composition à appliquer de manière externe sur la peau, qui contient des polysaccharides de Chamaecyparis obtusa pour favoriser non seulement la production de collagène, améliorer lélasticité de la peau, atténuer les rides, inhiber la mélanogenèse et ainsi produire dexcellents effets de blanchissement de la peau, mais également pour favoriser la différenciation des kératinocytes, améliorer les effets dhydratation de la peau, et obtenir des effets de régénération de la peau et anti-inflammatoires supérieurs.본 발명은 편백다당체를 유효성분으로 함유하는 피부 외용제 조성물에 관한 것으로, 보다 상세하게는 편백다당체를 함유함으로써 콜라겐의 생성을 촉진하여 피부 탄력 및 주름을 개선하고 멜라닌 생성을 억제하여 피부 미백 효과가 뛰어날 뿐만 아니라, 각질 형성 세포 분화를 촉진하여 피부 보습력을 향상시키고 항염증 및 피부 재생 효과가 우수한 피부 외용제 조성물에 관한 것이다.