whitening agent

It is also a Chinese herb that has been suggested for use as a skin whitening agent.

Also be aware that in China many products have whitening agents in them.

Simply White utilizes two separate chambers that contain a whitening agent and cleaning gel.

"Bleached flour" is any refined flour with a whitening agent added.

The nightingale's droppings contain an enzyme that has been used for a long time as a skin whitening agent and to remove fine wrinkles.

This is because today's white paper manufacturing uses fluorescent whitening agents (FWA).

Fluorescent dyes are also known a optical whitening agents or optical brightening agents.

Messina says that even a little bit of overuse of an over-the-counter whitening agent "is not going to do any long-term damage.

Swishing with water after drinking or using toothpaste with a mild whitening agent can fight the staining effects of red and white wines.

Brighteners are commonly added to laundry detergents to replace whitening agents removed during washing and to make the clothes appear cleaner.

The pH is controlled and various fillers, such as whitening agents, size and wet strength or dry strength are added if necessary.

Oxygen radicals from the peroxide in the whitening agents contact the stains in the interprismatic spaces within the enamel layer.

Specialty chemicals include such products as pigments, fragrances, whitening agents in detergents, additives used to improve plastics, and textile dyes.

An assortment of teeth-whitening systems is available, including toothpastes, over-the-counter gels, strips and trays, and whitening agents obtained from a dentist.

If you choose to use whitening toothpaste, make sure the toothpaste contains fluoride as well as whitening agents.

You have to go to great lengths to find moisturisers (and indeed deodorants and shower creams) that DON'T contain whitening agents.

In the August issue of its journal, the association says its scientists believe that "much about the long-term safety of tooth whitening agents appears to be unknown at this time."

The whitening agents range from over-the-counter toothpastes used routinely at home to a gel that is held in the mouth for specified daily periods by a device fitted by a dentist.

To protect the soft tissues of the mouth, a sheet of rubber called a rubber dam is fitted around the teeth to isolate them before the whitening agent is applied.

While it does contain calcium carbonate (CaCO) to increase the absorbency of the primer coat, titanium dioxide or "titanium white" is often added as the whitening agent.

More intense concentrations are used in in-office bleaching, also known as laser or power bleaching; the dentist applies a whitening agent to the teeth, which is then activated by a special light.

The largest class of these dyes are the sulfonated triazine-stilbene optical brighteners (OBA) or fluorescent whitening agents (FWA) commonly found in detergent formulas and white paper.

But others, which make health claims based on fluoride compounds or whitening agents, are considered over-the-counter drugs, and may need approval before they can be marketed, said Sharon Snider, a spokeswoman for the agency.

Go Smile, developed by Dr. Jonathan Levine for the Esthetic Whitening Centers of Manhattan, releases an active liquid carbamide peroxide gel - a whitening agent - through a tiny vacuum ampule.

It is a food additive and it is used in organic chemistry as an oxidizing agent for instance in the Elbs persulfate oxidation, and in hair dye substances as whitening agent with hydrogen peroxide.