This product is used on minor skin sores and wounds to protect the area from irritation and infection. Benzoin is also used on canker sores in and around the mouth to protect them so they can heal.

Tincture Benz Comp 30ml
Mild irritation, burning, or redness of the skin may occur as your body adjusts to this product. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
It is contraindicated in patients with known hypersensitivity to the drug
Before using benzoin, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
If you have any of the following health problems, consult your doctor or pharmacist before using this product: current infection.
Do not drink or swallow this product. Avoid contact in or around the eyes.
Do not use this product in children younger than 6 months without talking to the doctor first.
Please consult your doctor when taking this medicine if you are pregnant.
Lithium may interact with benzoin