You may want to check your store too see if you find $2/1 coupons for Vidal Sassoon stylers or hair color attached to the VS products. If your store has them (mine did), you can get hairspray for FREE when you stack the coupon with the following Target mobile coupon.
Vidal Sassoon Hairspray $3.99
$2/1 Target mobile coupon (Text SAVVY to 827438)
$2/1 coupon (attached to product)
Final Price = FREE
You will also find other Vidal Sassoon items that are FREE are really cheap with these 2 coupons.