does a great job on me [SEP] i have pcos and i have a lot of coarse hair on my face and neck i used the high speed and it pulled thick stubborn hairs from the root in pass i did not have much luck with the facial cap the low speed is for fine hairs and worked wonders on my upper lip i did not try it on my body yet i will update this review with thatpros no light cannot wash the heads under water