PURPOSE: A cosmetic material and a composition for treating dermatitis containing peat and cypress oil are provided to ensure antibacterial and antifungal properties and to enhance anti-aging, skin elasticity, anti-wrinkling, skin whitening, and skin moisturizing without side effects. CONSTITUTION: A cosmetic material and a composition for treating dermatitis contain 60-95 wt% of peat and 5-40 wt% of cypress oil as active ingredients. The cosmetic material additionally contains 5-15 wt% of camphor tree oil. The cosmetic material is manufactured in the form of an emulsion, a suspension, a paste, gel, a cream, a lotion, a powder, a soap, a surfactant-containing cleansing, an oil, a foundation, a pack, a massage cream, or a spray.본 발명은 피트 및 편백오일을 유효성분으로 포함하는 화장료 및 피부질환 치료용 조성물에 관한 것으로, 보다 상세하게는 피부에 부작용이 없이 안전하고, 항균성 및 항진균성이 우수하여 피부노화 방지, 피부탄력 개선, 피부주름 개선, 피부미백, 피부 보습력 증진 효과가 탁월한 화장료 및 피부질환 치료용 조성물에 관한 것이다.