Pirooz Sarshar of GroomingLounge.com gives some styling tips to make your hair appear thicker.

1. Use the right shampoo for your hair type
2. Use a DHT-inhibiting shampoo to help with inflammation
3. Get a shorter haircut to make your hair look thicker and fuller.
4. Use a matte-finish styling product/paste. Apply only when the hair is dry.
5. Use Minoxidil and apply it every night.
6. Take vitamin biotin to help promote healthy hair

Read more: http://www.menshealth.com/video/grooming-topic/hide-thinning-hair#/video/all