Ruby (694 nm) is the regarded as the oldest type of laser that is used for the removal of hair. It functions best for light and fine hair types. It is not recommended for the people that have darker skin, and tanned skin. It is an ideal treatment for hair removal for persons with fair or white skin. In fact, they cover a comparatively smaller area in comparison with other lasers and this feature has made these lasers popular for the purpose of hair removal. This is found to be ideal treatment for the skin type I and II of Fitzpatrick Skin Type that refers to the fair and white skin.

The advantages of Ruby laser hair removal includes long term hair removal, Pain free procedure and built in cooling equipment. This cooling equipment helps in minimizing the chances of burns and other side effects related to the laser hair removal. Moreover, if the hairs growth is back after the treatment, it will be very fine and sparser and virtually unnoticeable.

There are certain side effects of Ruby laser hair removal as it cannot be used on the persons that have tanned or dark skin. Its usage is limited to people with only white or light hair. It is useful for treatment on a relatively smaller area and thus requires more number of sessions for the complete hair removal of the region. The laser comes with a slow repetition rate that increases the time for treatment and it causes risk of redness, swelling, burns, scars, and skin discoloration.

The different types of Ruby Laser Devices available include EpiPulse Ruby, Palomar E2000, and RubyStar. The specifications of the Ruby Laser comprises of wavelength of 694 nm, Repetition rate of 0.5 – 1.2 Hz, Spot size of 3-10 mm, Pulse width of 0.85-3 ms and Fluence of 5-40. Ruby laser comes with a long track record for achieving long-term hair reduction for dark hair and fair skin types.