Our real silk dental floss is coated with all natural candelilla wax that glides comfortably between the teeth and is gentle on your gums. Additionally, our 100% biodegradable floss is packaged in a beautiful, eco-friendly glass bottle. What’s in it: 100% biodegradable silk, peppermint candelilla wax, natural and safe ingredients. What’s not in it: parabens, synthetic fragrance, sodium lauryl sulfates, phthalates nor anything from formaldehyde. It’s all good: This product is biodegradable.