• Physical stress, such as surgery, illness, anemia, rapid weight loss
• Emotional stress, such as mental illness, death in the family
• Medication
• Hormonal causes, such as thyroid abnormalities, pregnancy, birth control pills, menopause

It is our recommendation that Bioscal® or Bioscalin® is used to remove obstacles to natural, healthy hair growth, to prepare and stimulate the scalp for new hair growth and to optimize the growth conditions for the new hair. However, underlying medical disorders should be treated by medical practitioners.