Laser treatments are often ineffective in the face, even when the hair is dark and the skin is pale. A danger of facial laser treatments is also the so called paradoxical hirsutism.
So in order to be on the safe side, go for electrolysis.
PLease read our FAQs at the link below. If the hair is coarse and dense like bikini and underarm growth, then laser could be an option. For most women, electrolysis is needed instead because the hair is not coarse enough.