Back by popular demand, Win $500 in Services or Retail! How to win: Refer a friend into the Sin 7 Salon for a service before April 15th, 2018 Make sure they mention your name when they make a reservation Once the service is completed YOUR name is entered into the draw- we'll keep track of it all! On April 15th the WINNER will be drawn! Each friend you refer, gives you 1 chance to win! - 1 friend, 1 chance. 3 friends, 3 chances! DOUBLE REWARD - You and your referral also receive a complimentary conditioning treatment on your next visit ($15 value)! They can see any stylist! Contest runs from January 15th to April 14th, 2018. New guests service must be prior to April 15th, 2018. $500 Gift Certificate will be rewarded to winner on April 16th, 2018. Must be used within 12 months.