Several colors of laser light (quantified by the laser wavelength) are used for tattoo removal, from visible light to near-infrared radiation. Different lasers are better for different tattoo colors. Consequently, multi-color tattoo removal almost always requires the use of two or more laser wavelengths. Tattoo removal lasers are usually identified by the lasing medium used to create the wavelength (measured in nanometers (nm)):
Before the development of laser tattoo removal methods, common techniques included dermabrasion, TCA (Trichloroacetic acid, an acid that removes the top layers of skin, reaching as deep as the layer in which the tattoo ink resides), salabrasion (scrubbing the skin with salt), cryosurgery and excision which is sometimes still used along with skin grafts for larger tattoos. Many other methods for removing tattoos have been suggested historically including the injection or application of tannic acid, lemon juice, garlic and pigeon dung.
Attaining balance and harmony has always been the primary goal of human existence as it is the prerequisite of living a happy and fulfilled life. Geometrical tattoo designs have been a step in this direction because symmetry is a part and parcel of these designs, as they ensure that all the elements of the designs are placed in perfect balance with each other. Here are some common designs:
In the early 1980s, a new clinical study began in Canniesburn Hospital's Burns and Plastic Surgery Unit, in Glasgow, Scotland, into the effects of Q-switched ruby laser energy on blue/black tattoos. Further studies into other tattoo colours were then carried out with various degrees of success. Research at the University of Strathclyde, Glasgow also showed that there was no detectable mutagenicity in tissues following irradiation with the Q-switched ruby laser. This essentially shows that the treatment is safe, from a biological viewpoint, with no detectable risk of the development of cancerous cells.
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Your next consideration should be where you want your tattoo. Is it something you want to show off, easily conceal or reveal, or a more personal project that only you will see? Your body will be your canvas, so it’s important to choose a portion of your anatomy appropriate to your art. Back pieces are exceptionally well suited to larger concepts, which you may want to expand at some future date. If you just want to start small, the bicep or the forearm are ideal for more contained show pieces, discrete emblems that can be worked into “sleeves”—either half or full—at a later time.
Another common smaller tattoo for people to get is a simple letter. The letter P may symbolise the persons first name, someone’s name that’s important to them or even the periodic symbol for Phosphorus. There are thousands of fonts to choose from and luckily with letters it’s easy to test them out on your computer before you pick which one will look best.