Intense pulse light (IPL) machines are used to treat a range of cosmetic conditions such as the removal of unwanted hair, improve skin tone and texture, and reduce age spots.
The IPL machine emits very small amplitude wavelength light through a crystal sapphire head. The light penetrates deep into the skin reaching all the way to the inner layer (known as the subcutaneous layer or hypodermis).
This deep penetration provides a mechanism for reaching unwanted structures within the skin, such as hair follicles, clogged glands (causing acne), veins, and pigmentation.
The colour of the structures (such as the red in veins, or pigmentation in hair or freckles) attracts and absorbs light of different wavelengths depending on the colour.