
Don't be afraid to go for a shorter hairstyle if you have thin hair. While it may seem daunting to cut off the hair you've worked so hard to grow for a while, a short haircut can actually make it look much fuller, whether you're struggling with hair loss or have always had thinning hair.
Tips for styling thin hair
Hairstylists agree that one of the best ways to make thinner hair look fuller and thicker is to make sure the style is cut straight - this keeps the silhouette strong and creates the illusion of fullness. You don't necessarily need layers, and bangs can help too, adding detail and shape around the face.
Of course, styling can play a big role in creating volume, and there are a bunch of clever formulas on the market that make the job easy and save you time.
Start with a duo: shampoo and conditioner that promises to add volume.
When it comes to styling, look for mousses to add volume that lasts all day.
Celebrity hairstylist David von Cannon recommends a good volumizing spray, like Phyto Styling Spray, or a mousse, like Crown Affair The Texturizing Air-Dry Mousse, to give hair movement without weighing it down. “For fine hair, I think the key is not to try too hard,” he says.
So, whether you want to cut a simple, straight bob or a layered style, follow these famous girls' instructions for inspiration.
#1. Wavy bob cut

Olivia Wilde's "beach waves" instantly give her cut more volume.
#2. Medium length bob cut

A medium-length cut that frames the face makes the hair look full without feeling too "frozen" like the previous model.
#3. Pixie cut with gradients

#4. Scaling by face

A straight cut around the length of your collarbone with a fringe on the side of your face will add shape and movement to your short, thin hair.
#5. Wavy "bixie" cut (bob+pixie)

#6. Straight bob, styled on one side

All professionals agree: straight cuts are the best way to go if you have very thin hair.
#7. "Bob" styled in the middle

#.8 Side-swept waves

Adding curls is a guaranteed way to create volume for short, thin hair.
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Source: Vogue