He tried unsuccessfully to obtain a protective and therapeutic agent for humans.

The Santror served as the protective agents of the ancient Chozha Kingdom.

Zinc may also be a valuable protective agent.

These microbes are found in the digestive organs of living creatures and can act as protective agents that strengthen the immune system.

I'm a protective agent assigned to this household, and to be here is my detail.

Its protective agents prevent further damage and the delicate almond fragrance leaves a lingering scent on your hair.

It's a protective agent against all physical and magical attacks.

In addition, the complex contains over 170 chlorophyll pigments and nearly 30 carotenoids that capture light as well but also serve as a protective agent.

United States Secret Service protective agents receive training in the psychology of assassins.

He discovered that dental health (including the presence of a protective agent found in saliva) was strongly linked with a person's overall health.