When making up, apply concealer/concealer /BB cream to your eyebrows and make it the same color as your skin. When the concealer dries, use a smaller brush or cotton swab to get the color you want to change. If you want to be professional, you can use eyebrow powder, but ordinary eye shadow will do. Just draw the eyebrow shape you want in the original position of the eyebrow.

Or use the Bai Duan of growth mascara to horizontally whiten the eyebrows.

In fact, many eyebrows in cos feature films are ps.