What describes the physical symptoms of redness, heat, pain, and swelling?

The physical symptoms of redness, heat, pain, and swelling are indicative of inflammation. Inflammation is a protective response of the body’s immune system to injury, infection, or irritation. It serves to eliminate harmful stimuli and initiate the healing process. When inflammation occurs, blood flow to the affected area increases, leading to redness and heat. This increased blood supply contributes to swelling due to the accumulation of fluid, while pain generally arises from the release of chemicals that stimulate nerve endings in response to tissue damage or irritation.

Understanding inflammation is crucial for those in the beauty and wellness industry, especially in contexts involving procedures like eyelash extensions, where proper aftercare and recognition of potential adverse reactions are necessary for client safety and satisfaction.