If ingredients aren't listed, choose another brand. Select the least hazardous product. Buy only as much as you need and use it up in a short period of time. Avoid aerosol products. Choose the pump spray or another alternative.
Aerosols have toxic propellants which can explode.
Also, the fine mist is more easily inhaled. Read the directions and follow them. Using more of a product doesn't mean you'll get better results. Wear protective equipment, such as rubber gloves, as recommended by the manufacturer. Handle products carefully to avoid spills.