HAIRFOR2 makes a big promise, and that is to maximize the volume of your hair and even fill in thinning hair and bald spots in between when applied properly. – HAIRFOR2 Is the only hair thickening spray on the market that is water resistant, so no matter what you do in your daily routine it will stay exactly where it belongs; in your hair. – Excellent solution for people with thin or thinning hair. – Practically eliminates bald spots or thinning areas.