The important thing to remember is that professional photo studio lighting will cause you favourite shades of lipstick to become washed out and subdued. You will need to choose a stronger brighter colour in order to achieve a natural look in the final photos.
Start by lightly lining the outermost edge of your lips first. It is essential to use a liner which matches your lip colour and not the shade of lipstick your going to use.
Tips on Applying Lipstick in Business Headshots
Traditionally, one colour of lip stick has been used for both top and bottom lips. There is now a dual colour lipstick fashion. Use coral and berry colours as opposed to red and pinks as they look better in photos.
Matt finish lipstick is the first choice for actors headshots but can be difficult to find - digital retouching is often used to take the shine away from the lips.