Camphor/ˈkæmfər/ Definition 1 of 2Pro Tip 1/3Medicinal Use Camphor is often associated with healing properties and can be found in medicinal products. My grandmother always used a camphor balm for pain relief. Pro Tip 2/3Aromatic Qualities The strong odor of camphor makes it common in air fresheners and mothballs. We placed camphor balls in the closet to keep the moths away. Pro Tip 3/3Plastic Production Camphor is used as a plasticizer in producing some types of plastics, making them flexible. The camphor was added to the plastic mixture to soften it.