I use hair tonic every night.

On sleepless nights, I sometimes take a soporific.

When I catch a cold, I often take a sudorific.

He is taking sedatives to control his stress.

My brother has been taking immunosuppressants after his transplant surgery.

I spray deodorizer in my room every day.

He was prescribed an antidepressant.

He was prescribed antidepressants by his doctor.

This rocket is using a new type of combustion agent.

This detergent contains a high-quality surfactant.