My candles are all 100% soy based with fragrance oils that are from a vendor specializing in Clean Scents for Home. This means there are none of the things that are unsafe for pets, children and you! These oils are specially formulated to be fragrant, safe and free of the following: Carcinogens: These are materials known or thought to cause cancer. Mutagens: Materials that change the DNA of a cell, harming the cell and causing diseases like cancer. Reproductive toxins: Toxins that adversely affect reproductive organs and increase the risk of birth defects. Organ toxins: These are toxins that can cause adverse effects or disease within specific bodily organs. Acute toxins: Toxins that can cause adverse effects from a single exposure.