Is DPG Dipropylene Glycol hazardous? Maria 07 July 2021 15:25 Updated Our DPG Dipropylene Glycol is non-hazardous. Related articles Augeo base shelf-life? My reed diffuser barely have any scent throw! Candle General Warning Label / Candle Safety Stickers Soy Candles: Eco-Friendly and Better for Your Health Can I mix scents (candles/melts) in a box packaging? Comments 0 comments Article is closed for comments.