14 (Yes, 14!) Surprising Reasons You Could Be Losing Your Hair

According to Cucinello, there have been numerous instances where chemicals, such as Sodium Hydroxide, applied to the scalp to straighten or relax the hair, can lead to hair loss. “Simply watch Chris Rock's documentary Good Hair, addressing how this chemical can melt an aluminum soda can. Pretty frightening," he warns.

What you can do: Cucinello cautions you should be sure to do research on a salon and speak to your stylist about the chemicals he or she is going to use before undergoing a treatment.