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5 Types of Tattoo Ink | Tattoo Artist - YouTube
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Tattoo inks consist of pigments combined with a carrier, and are used in tattooing.

Tattoo inks are available in a range of colors that can be thinned or mixed together to produce other colors and shades. Most professional tattoo artists purchase inks pre-made (known as pre-dispersed inks), while some tattooers mix their own using a dry pigment and a carrier.

Tattoo ink is generally permanent. Tattoo removal is difficult, painful, and the degree of success depends on the materials used. Recently developed inks claim to be comparatively easy to remove. Unsubstantiated claims have been made that some inks fade over time, yielding a "semi-permanent tattoo."


Video Tattoo ink



Regulations

In the United States, tattoo inks are subject to regulation by the U.S. Food and Drug Administration as cosmetics and color additives. This regulatory authority is, however, not generally exercised. The FDA and medical practitioners have noted that many ink pigments used in tattoos are "industrial strength colors suitable for printers' ink or automobile paint."

In California, Proposition 65 requires that Californians be warned before exposure to certain harmful chemicals; tattoo parlors in California must warn their patrons that tattoo inks contain heavy metals known to cause cancer, birth defects, and other reproductive harm.


Maps Tattoo ink



Pigment bases

Manufacturers are not required to reveal their ingredients or conduct trials, and recipes may be proprietary. Professional inks may be made from iron oxides (rust), metal salts, plastics. Homemade or traditional tattoo inks may be made from pen ink, soot, dirt, blood, or other ingredients.

Heavy metals used for colors include mercury (red); lead (yellow, green, white); cadmium (red, orange, yellow); nickel (black); zinc (yellow, white); chromium (green); cobalt (blue); aluminium (green, violet); titanium (white); copper (blue, green); iron (brown, red, black); and barium (white). Metal oxides used include ferrocyanide and ferricyanide (yellow, red, green, blue). Organic chemicals used include azo-chemicals (orange, brown, yellow, green, violet) and naptha-derived chemicals (red). Carbon (soot or ash) is also used for black. Other elements used as pigments include antimony, arsenic, beryllium, calcium, lithium, selenium, and sulphur.

Tattoo ink manufacturers typically blend the heavy metal pigments and/or use lightening agents (such as lead or titanium) to reduce production costs.


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Carriers

A carrier acts as a solvent for the pigment, to "carry" the pigment from the point of needle trauma to the surrounding dermis. Carriers keep the ink evenly mixed and free from pathogens, and aid application. The most typical solvent is ethyl alcohol or water, but denatured alcohols, methanol, rubbing alcohol, propylene glycol, and glycerine are also used. When an alcohol is used as part of the carrier base in tattoo ink or to disinfect the skin before application of the tattoo, it increases the skin's permeability, helping to transport more chemicals into the bloodstream.


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Health concerns

A variety of medical problems, though uncommon, can result from tattooing.

Medical workers have observed rare but severe medical complications from tattoo pigments in the body, and have noted that people acquiring tattoos rarely assess health risks prior to receiving their tattoos.

A recent case report also showed that tattoo pigments migrate into lymph nodes. These can show up on some types of medical scans as tumors. One woman was given a complete hysterectomy only to find out later that the lymph nodes contained tattoo pigment.


Bloodline Skincandy Blacklight UV Tattoo Ink - YouTube
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Other tattoo inks

Glow in the dark ink and blacklight ink

Both blacklight and glow in the dark inks have been used for tattooing. Glow in the dark ink absorbs and retains light, and then glows in darkened conditions by process of phosphorescence. Blacklight ink does not glow in the dark, but reacts to non-visible UV light, producing a visible glow by fluorescence. The resulting glow of both these inks is highly variable.

The safety of such inks for use on humans is widely debated in the tattoo community.

The ingredients in some "glow" inks are listed as: (PMMA) Polymethylmethacrylate 97.5% and microspheres of fluorescent dye 2.5% suspended in UV sterilized, distilled water.

Removable tattoo ink

While tattoo ink is generally very painful and laborious to remove, tattoo removal being quite involved, a recently introduced ink has been developed to be easier to remove by laser treatments than traditional inks.

Black henna

Health Canada has advised against the use of "black henna" temporary tattoo ink which contains para-phenylenediamine (PPD), an ingredient in hair dyes. Black henna is normally applied externally in temporary Mehandi applications, rather than being inserted beneath the skin in a permanent tattoo.

Another ink may be used instead of black henna. "Jagua", a fruit based ink proven to be a healthier alternative to black henna.

Allergic reactions to PPD include rashes, contact dermatitis, itching, blisters, open sores, scarring and other potentially harmful effects.

Vegan tattoo ink

Various tattoo ink manufacturers also produce vegan-friendly inks that do not contain any animal by-products like bone char, glycerin, gelatin and shellac.


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Ancient Roman recipe

The Roman physician Aetius created a recipe for tattoo ink:

One pound of Egyptian pine bark

Two ounces of corroded bronze, ground with vinegar

Two ounces of gall (bile from gallbladder)

One ounce of vitriol (iron sulphate)

Mix well and sift. Soak powder in 2 parts water and 1 part leek juice. Wash the skin to be tattooed with leek juice. Prick design with needles until blood is drawn. Rub in the ink.


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Notes


The most unbelievable way ever to make tattoo ink - YouTube
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References

  • Health Canada website
  • About.com article on tattoo inks
  • Sarah Everts: What chemicals are in your tattoo?, C&EN Volume 94, Issue 33, 2016, p. 24-26.

Source of the article : Wikipedia

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