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2. Tattoo removal - Wikipedia

   en.wikipedia.org/wiki/Tattoo_removal

   Q-switched lasers produce bursts of infrared light at specific frequencies that target a particular spectrum of color in the tattoo ink. The laser passes through the upper layers of the skin to target a specific pigment in the lower layers. [2] Laser tattoo removal is a successful application of the theory of selective photothermolysis (SPTL). [39]

3. Tattoo - Wikipedia

   en.wikipedia.org/wiki/Tattoo

   A tattoo is a form of body modification made by inserting tattoo ink, dyes, and/or pigments, either indelible or temporary, into the dermis layer of the skin to form a design. Tattoo artists create these designs using several tattooing processes and techniques , including hand-tapped traditional tattoos and modern tattoo machines .

4. Solid-state laser - Wikipedia

   en.wikipedia.org/wiki/Solid-state_laser

   Laser rods (from left to right): Ruby, alexandrite, Er:YAG, Nd:YAG. A solid-state laser is a laser that uses a gain medium that is a solid, rather than a liquid as in dye lasers or a gas as in gas lasers. [1] Semiconductor-based lasers are also in the solid state, but are generally considered as a separate class from solid-state lasers, called ...

5. Meet the tattoo artist who wants to change beauty standards ...

   www.aol.com/article/lifestyle/2019/12/30/meet...

   It’s all about “natural beauty,” and tattoos directly conflict with what Korean women are expected to look like. “[Tattoos] are normally related to gang members, yakuza , things like that ...

6. List of laser types - Wikipedia

   en.wikipedia.org/wiki/List_of_laser_types

   Laser types with distinct laser lines are shown above the wavelength bar, while below are shown lasers that can emit in a wavelength range. The height of the lines and bars gives an indication of the maximal power/pulse energy commercially available, while the color codifies the type of laser material (see the figure description for details).

7. Cover-up tattoo - Wikipedia

   en.wikipedia.org/wiki/Cover-up_tattoo

   A decorative tattoo over mas­tec­to­my scars (see before image), chosen in lieu of restorative tattoos that replicate the nipple and areola (see example) [31]: 11 . The use of flesh-like medical tattoos to cover up skin conditions and surgical scars is a long-established practice, dating to the German doctor Pauli in 1835, who used mercury sulfide and white lead to tattoo over skin lesions ...

8. Lower-back tattoo - Wikipedia

   en.wikipedia.org/wiki/Lower-back_tattoo

   Medical practitioners who administer anesthesia have questioned whether epidural analgesia should be provided to women with lower-back tattoos. Concerns have emerged that epidural catheters may cause tattoo pigment to enter interspinous ligaments and other areas, potentially leading to health problems. There is consensus that epidural catheters ...

9. Face tattoo - Wikipedia

   en.wikipedia.org/wiki/Face_tattoo

   A face tattoo or facial tattoo is a tattoo located on the bearer's face or head. It is part of the traditional tattoos of many ethnic groups. In modern times, although it is considered taboo and socially unacceptable in many cultures, [ 1 ] [ 2 ] as well as considered extreme in body art, [ 3 ] this style and placement of tattoo has emerged in ...