From the merchant: Each session in the chamber without counseling lasts 20 minutes; three to five sessions are recommended for all benefits
The Fine Print
Promotional value expires 120 days after purchase. Amount paid never expires.Limit 1 per person, may buy 1 additional as a gift. Limit 1 per visit. Must use promotional value in 1 visit.Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.