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Related Concept Videos

Reticular Dermis01:15

Reticular Dermis

The papillary and reticular dermis are the two layers of the dermis. They are made of connective tissue with fibers of collagen extending from one to the other, making the border between the two somewhat indistinct. The dermal papillae extending into the epidermis belong to the papillary layer, whereas the dense collagen fiber bundles below belong to the reticular layer.
Reticular Layer
Underlying the papillary layer is the much thicker reticular layer, composed of dense, irregular connective...
Skin Cancer01:30

Skin Cancer

Skin cancer is a type of cancer that occurs when there is an abnormal growth of skin cells, usually triggered by damage to the DNA within the skin cells. It is primarily caused by exposure to ultraviolet (UV) radiation from the sun or artificial sources like tanning beds. Skin cancer is the most common type of cancer worldwide, and its incidence continues to rise.
Basal Cell Carcinoma (BCC): BCC is the most common type of skin cancer, accounting for about 80% of cases. It typically develops in...
Papillary Dermis01:11

Papillary Dermis

Dermis
The dermis might be considered the "core" of the integumentary system, as distinct from the epidermis and hypodermis. It contains blood and lymph vessels, nerves, and other structures, such as hair follicles and sweat glands. The dermis is made of two layers of connective tissue that comprise an interconnected mesh of elastin and collagenous fibers, produced by fibroblasts.
Papillary Layer
The papillary layer is made of loose, areolar connective tissue, which means the collagen and...
Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Healing II: Complications01:24

Healing II: Complications

Complications during healing arise when tissue repair is altered by local or systemic factors. These changes involve abnormal collagen deposition, altered biomechanics, and reduced vascular supply, impairing restoration of normal structure and function.Loss of FunctionScar tissue differs significantly from the original tissue it replaces. In the skin, fibrosis lacks adnexal structures such as hair follicles, sebaceous glands, and sweat glands. Their absence reduces tactile sensitivity, impairs...

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Related Experiment Video

Updated: Jun 5, 2026

A Two-Step Pyrolysis-Gas Chromatography Method with Mass Spectrometric Detection for Identification of Tattoo Ink Ingredients and Counterfeit Products
08:07

A Two-Step Pyrolysis-Gas Chromatography Method with Mass Spectrometric Detection for Identification of Tattoo Ink Ingredients and Counterfeit Products

Published on: May 22, 2019

[Tattoos in a dermatological perspective].

Trine Høgsberg1, Ken-ichiro O'Goshi, Jørgen Serup

  • 1Dermatologisk Afdeling D, Bispebjerg Hospital, 2400 København NV, Denmark. trinehoegsberg@yahoo.dk

Ugeskrift for Laeger
|January 5, 2011
PubMed
Summary
This summary is machine-generated.

Tattoo pigments lack regulation and basic scientific understanding, posing potential health risks. More research is needed on tattoo complications and laser removal safety.

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Last Updated: Jun 5, 2026

A Two-Step Pyrolysis-Gas Chromatography Method with Mass Spectrometric Detection for Identification of Tattoo Ink Ingredients and Counterfeit Products
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Skin Tattooing As A Novel Approach For DNA Vaccine Delivery
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Apparatus for Harvesting Tissue Microcolumns
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Published on: October 25, 2018

Area of Science:

  • Dermatology and Toxicology
  • Cosmetic Science and Regulation

Context:

  • Tattoos are increasingly popular, utilizing industrial pigments without comprehensive safety data.
  • Existing regulations are insufficient at national and European levels due to knowledge gaps.
  • Concerns exist regarding pigment composition, degradation products, and long-term health effects.

Purpose:

  • To highlight the lack of fundamental knowledge regarding tattoo pigments and their associated health risks.
  • To underscore the unknown dangers of laser tattoo removal and potential carcinogenic degradation products.
  • To emphasize the need for formal regulation in the tattoo industry.

Summary:

  • Industrial pigments used in tattoos lack basic scientific characterization.
  • Potential complications include allergic reactions, granulomas, foreign body reactions, and skin cancer.
  • Degradation products from laser treatment may be carcinogenic; risks are currently unknown.

Impact:

  • Identifies critical knowledge gaps in tattoo pigment safety and health implications.
  • Calls for further research into tattoo complications and laser removal risks.
  • Highlights the urgent need for regulatory frameworks to ensure public safety.