Infections

An infection is the invasion of body tissues by disease-causing pathogens, such as bacteria, viruses, fungi, or parasites. Infections can occur anywhere in the body, but they are most common in the skin, respiratory tract, digestive tract, and urinary tract. When a...

Inflammation

Inflammation is a natural immune response that occurs when the body reacts to injury, irritation, or infection. It is characterized by redness, heat, pain, and swelling and serves as a protective mechanism to help the body heal and repair damaged tissues. There are...

Infrared light

Infrared light is a type of electromagnetic radiation that is invisible to the human eye and makes up approximately 60% of natural sunlight. It has longer wavelengths than visible light and shorter wavelengths than radio waves. Infrared light is emitted by warm...

Ingrown hairs

An ingrown hair is a hair that curls back and grows into the skin instead of growing out. This can happen when the hair is cut too short, when the skin is not exfoliated regularly, or when the hair follicle is damaged. Ingrown hairs are most common in areas where hair...

Injectable fillers

Injectable fillers are substances that are used in nonsurgical procedures to fill in or plump up areas of the skin. This can help reduce the appearance of fine lines, wrinkles, and other signs of aging. Injectable fillers are often used in conjunction with other...