The quality of these high-end purified paraffin waxes are continuously quality controlled, they burn free of residues and are classified as harmless for health. Hydrated at high temperature with pressure to remove all impurity, contaminations and side-products. This paraffin-wax is certified by RAL-Guetezeichen RAL-GZ 041 for candles, allowed to be used within the range of food, doesn’t accumulate in environment and is non-ecotoxic. Kerzenfarm exclusively uses wicks out of 100% cotton.