No, but I have found that candles that stay 9-12 months tends to loose it's scent and change colour.
While our candles are made with the highest-quality ingredients and will last a long time, they will eventually expire. The best way to tell if a candle has expired is to check the fragrance. If the fragrance is not as strong as it used to be, or if it has changed, it's time to replace the candle