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Oleoresin -
A natural plant product containing essential oil
and resin. -
Oleosome -
Oil storage bodies found in some plant cells.
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Oligopeptide -
A peptide
made up of relatively short amino acid chains. -
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.
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Oral Care Agent -
Ingredients that polish the teeth, reduce oral odor, or otherwise cleanse or deodorize the teeth and mouth.
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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.
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Organic Compound -
A compound that contains carbon and hydrogen and usually other elements such as nitrogen, sulfur and oxygen.
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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.