Nickel, cobalt, and chromium in nail sticker and tip products in Korea

Hyun Hee Kim1,2, Ga Hyun Lee1, Gil Jae Pyo1

  • 1Department of Dermatology, Konyang University Hospital, Daejeon, Republic of Korea.

Contact Dermatitis
|January 20, 2023
PubMed
Abstract

Related Concept Videos

Accessory Structures of the Skin: Nails01:05

Accessory Structures of the Skin: Nails

Nails are one of the important accessory structures of the skin. They are hard, protective structures that cover the dorsal surface of the distal phalanges of fingers and toes. Nails are composed of specialized keratinized cells and serve various functions, including protection, sensation, and manual dexterity.
The main components of a nail include the following.
Nail Plate: The nail plate is the visible portion of the nail that extends beyond the fingertips or toes. It is a hard, translucent...
1.8K
Precipitation Gravimetry01:03

Precipitation Gravimetry

Precipitation gravimetry is based on converting an analyte into a sparingly soluble precipitate, which is separated by filtration and weighed. An ideal precipitate should be pure, insoluble, of known composition, and easily filtered from the reaction mixture.
In determining nickel by gravimetric analysis, a precipitant of ethanolic dimethylglyoxime is added to a hot nickel salt solution. This is quickly followed by the dropwise addition of dilute ammonia solution until precipitation occurs. A...
6.8K
Nails and Hair01:16

Nails and Hair

Nails and HairNails and hair are more than just parts of our appearance; they are made of a strong protein called keratin and play important roles in protecting our bodies. Hair helps keep us warm and protects our skin from sunlight. Nails protect the tips of our fingers and toes and help us do everyday tasks like scratching or picking things up. Both nails and hair grow from special areas in our skin and can show signs of our health. Learning about nails and hair helps you understand how the...