Glossary Terms beginning with O
Oil storage bodies found in some plant cells.
- Opacifying Agent
Substances that reduce the clear or transparent appearance of cosmetic products. Some opacifying agents are used in skin make-up for hiding blemishes.
- Oral Care Agent
Ingredients that polish the teeth, reduce oral odor, or otherwise cleanse or deodorize the teeth and mouth.
- Oral Health Care Drug
Ingredients that are applied topically for use in properly caring for the oral cavity. In the United States, oral health care drugs are regulated as Over-The-Counter (OTC) drug ingredients.
- Organic Compound
A compound that contains carbon and hydrogen and usually other elements such as nitrogen, sulfur and oxygen.
- Oxidizing Agent
Ingredients that restore hair or skin to its normal oxidized state after exposure to the reducing agent in permanent waving, or that aid in oxidative hair dyeing.