The management of a patient with absolutely any pathology includes several main stages: initial consultation, diagnosis, treatment and rehabilitation. Correctly and timely carried out diagnostic process – This is the key to successful treatment of the disease. Diagnostics in cosmetology – this is an equally important link that the doctor cannot skip. Specialists use laboratory and instrumental diagnostic methods to determine the cause of the disease and, in accordance with this, select the optimal treatment regimen for the patient. Wood's lamp – It is a diagnostic device that has been widely used for the diagnosis of skin diseases for more than a century. On estet-portal.com read about how beauticians can use this device in their daily practice.
Peculiarities of using Wood's lamp in cosmetology
The first Wood lamp was invented in 1903 by Robert Wood – physicist from Baltimore. At present, this device is much more advanced, and is often included in the package of cosmetic machines.
Wood's lamp – this is a long-wavelength ultraviolet lamp that emits the so-called "black light"; using high pressure.
The glass bulb of the lamp is equipped with a silicate, 9% nickel barium oxide compound. Such a filter is opaque to all light rays, except for the band between 320 and 400 nm with a maximum at 365 nm. The power of the Wood's lamp in most cases does not exceed 1 mW/cm².
Woods Lamp:
- where Wood's lamp can be used in cosmetology;
- diagnosis of infectious processes using Wood's lamp;
- Basic rules for working with Wood's lamp.
Where can Wood's lamp be used in cosmetology
Wood's lamp is widely used in dermatology and cosmetology to determine the depth of melanin pigment deposition in the skin. Normal skin has low fluorescence and appears uniformly dark. The device can register the presence of certain amino acids and skin proteins, for example, hypomelanotic and depigmented spots give a bright glow, which is especially valuable in the diagnosis of vitiligo in people with fair skin. If the pigment is deposited at the level of the epidermis – in the rays of the Wood's lamp, the spots darken if the pigmentation is dermal – the contrast is less pronounced. Wood's lamp is also widely used in chemical peels, as salicylic acid in the lamp beams gives a green glow. With the lamp you can evaluate the uniformity of the application of the peeling composition on the skin.
Diagnostics of infectious processes using Wood's lamp
Another area of application of Wood's lamp in cosmetology – this is the diagnosis of infectious processes:
- Fungal infections of the hair and skin show bright fluorescence under the Woods lamp due to pteridine. In this case, there is a light yellow, green-blue and light blue glow of skin and hair scales;
- Pseudomonas aeruginosa, the pathogenic species of which produce the pigment pyoverdin, gives green fluorescence;
- Malassezia folliculitis can be distinguished from acne by the yellowish-white or copper-orange fluorescence of Malassezia furfur. Coproporphyrin, synthesized by P. acnes, gives an orange-red glow to pustules and comedones in which bacteria live;
- the erythrasma causative agent gives a coral-red glow in the rays of a Wood's lamp, which is especially important before epilation in large skin folds.
Woods lamp basic rules
In order to get the maximum result from the use of the Woods lamp, you must adhere to some rules:
- for safety reasons, during the diagnostic process, the eyes of the patient and the specialist performing the diagnosis must be protected from direct light;
- diagnostic examination must be carried out in a completely dark room;
- for 1 minute before starting the diagnosis, it is necessary to warm up the lamp, at the same time the specialist adapts to the darkness;
- the light source should be located at a distance of 4-5 centimeters from the lesion;
- The area to be examined must not be washed or cleaned prior to examination. Traces of topical medications, soap, fluff or fluff from clothing must be carefully removed from the surface being examined.
Wood's lamp – it is an effective method for diagnosing skin diseases associated with the deposition of melanin, as well as some infectious processes.
In addition, the lamp can be used to evaluate the uniformity of application of peeling and other mixtures containing salicylic acid. It is safe to say that Wood's lamp – This is an important device that every qualified specialist in the field of aesthetic medicine should have the skills to work with.
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