Popular short styles that work well with thinning hair include short pixie cuts, longer cuts with long bangs and curls, and any short curly cut. Curly cuts typically do a great job of disguising thinning hair.
A short pixie cut adds volume to thinning hair because of its many layers. Adding blunt-cut bangs also creates the illusion of thicker hair. Using hair product to style a pixie cut also creates volume.
An above-the-shoulder cut with swooping bangs brushed off to the side works well with thinning hair, especially on women with thinner faces. Curls make the hair look thicker. A soft, short, curly hairstyle looks good with thinner hair because the curls create the illusion that there's more hair there.