What Makes Your Skin Dark
One of the most common reasons people ask can you increase hair density is excessive hair fall. Hair fall can be caused by stress, nutritional deficiencies, hormonal imbalance, illness, rapid weight loss, or poor scalp care. In such cases, hair density often appears reduced because more hair is shedding than growing. The positive aspect of this type of hair loss is that it is usually temporary. Once the underlying cause is treated, the hair growth cycle can normalize, and hair density can gradually improve over time.
http://sknlex.com