4925cd36_s__Comparison_of_Light_Sources__Strengths
[0] Candle [Operation] Cloth wick surrounded by wax has a small burning flame that often “flickers” [2] Candle [Type of Light] Very yellowish light [4] Candle [6] Candle [Weaknesses] Fire hazard; candles need to be replaced often to avoid messy half-burned look [8] Candle [Comments] Almost everyone looks better in candlelight [10] Candle [Strengths] 
Flame flicker makes everyone look their best and cannot be duplicated by electric light sources
Infographic - Compare Light Sources, Comparison of Light Sources
Strengths