Sapropel being a unique natural organic product, which due to multicomponent composition, has a wide range of pharmacological activity. The resources of sapropel in Ukraine comprise approximately 74.5 million tonnes. Taking into consideration significant natural resources of sapropel in Ukraine as a promising raw material for preparing effective medicines products, sapropel was used as an active ingredient for the development of the cream composition. The anti-inflammatory activity of creams with sapropel extracts on the model of acute photodynamic skin inflammation in animals (UV erythema) was investigated. It is established that the creams with sapropel extracts have expressed anti-inflammatory properties, reduce the intensity of acute photodynamic inflammation and cut down the treatment duration. The anti-inflammatory activity of the studied medicinal products largely depends on the concentration of the active substance