What is Aspirin
The active substance of Aspirin is acetylsalicylic acid and belongs to the group of non-steroidal painkillers. It has pain-relieving, antipyretic and blood-thinning properties. The raw material of aspirin, asalicylic acid and its derivatives are found in the leaves and bark of some plants such as willow. Salicylic acid is antiseptic and is also added to some foods as a preservative.