If you have uncontrolled seizures or epilepsy
If you have kidney disease
If you are diabetic with insulin dependency (unless medically controlled)
If you are medicated in any way that may be affected by immersion in magnesium sulfate (Epsom salt)
If you suffer from abnormally high (greater than 180/120) or low (lower than 90/50) blood pressure
If you have any communicable or infectious disease, illness, skin disorder, cuts, open sores, or wounds
If you suffer from severe claustrophobia or other uncontrolled anxiety disorders
If you are currently under the influence of alcohol, drugs, or heavy medications
If you are currently menstruating
If you have applied artificial tanner within the last 72 hours before your session
If you have colored your hair in the last 48 hours before your session
If you have shaved within the last 24 hours before your session