You can apply a couple of layers if you want a more dramatic effect or just apply a light dusting for some subtle highlights.
Try to keep most of the highlighter on the outer edges of your brow bone. You do no need to apply highlighter to your entire brow bone. You can also extend the highlighter down towards the creases of your eyelids for an extra eye brightening effect. [3] X Research source
Don’t apply the highlighter to your actual lip, just to the area right above your lip.
Be careful not to apply too much highlighter to this area. You only need a light dusting. If you highlighted your forehead, then try to keep the highlighter on your chin in line with the highlighter on your forehead. You can also apply highlighter right above your chin. [7] X Expert Source Christin BirckheadMakeup Artist Expert Interview. 14 April 2020.
Use a sponge or makeup brush to blend your foundation. If you have any dark circles or minor imperfections, concealer will add extra coverage to those areas and draw more attention to the highlighted area.
It may help to apply blush to the apples of your cheeks first, and then start to apply highlighter where the blush has stopped. [10] X Expert Source Christin BirckheadMakeup Artist Expert Interview. 14 April 2020.
If you want a more dramatic highlighting effect, then you can sweep the highlighter all the way down the bridge of your nose, but this is optional.