This organization was founded in 1970 to regulate employee exposure to toxic substances and inform them of the possible hazards of materials.

These are areas on the head that mark where the surface of the head changes.

A chemical reaction that combines a substance with oxygen to produce and oxide.

Nails that turn a variety of colors, which may indicate surface staining, a systemic disorder, or poor blood circulation.

This component to the nail is contructed of about 100 layers of nail cells.

Created as part of the US Dept. of Labor this organization was created to regulate and enforce safety in the workplace.

This will determine the size and number of the subsections needed to complete a cut.

This is a basic unit of matter that cannot be divided into simpler substances by ordinary chemical means.

Also known as white spots, these are whitish discoloration of the nails, usually caused by minor injury to the nail matrix.

This thin layer of tissue connects the nail plate to the nail bed.

Formerly know as Material Data Safety Sheets, these sheets for every chemical used in the workplace, provide information of potential hazards and how to handle them safely.

This type of shears is of higher quality and will usually cost more than some.

The simplest form of chemical matter.

Split or brittle nails that have a series of lengthwise ridges giving a rough appearance to the surface of the nail plate.

The living skin at the base of the natural nail plate covering the matrix area.

This agency registers all types of disinfectants sold and used in the United States.

This technique allows you to use your clippers to cut the hair very close to the scalp and create a flat top or square shape.

Any substance that occupies space and mass.

Thickening of the nails which can be in both the finger and toenails.

Part of the nail plate that extends over the tip of the finger or toe.

These agencies exist to protect salon, spa barber shop professionals and their clients' health and safety while recieving services.

The basic foundation skill upon which all other hair design is built.

A physical combination of matter in any proportion.

A noninfectious condition that affects the surface of the natural nail plate causing tiny pits or severe roughness on the surface of the nail plate.

The average rate of nail plate growth in the normal adult.