Sebastian Body Double Thick Extreme Treatment Kit with Bra Sachet "Priming Lotion 5.1 oz and 6 AMPULES - 50% more ampules. Priming Lotion: After using Thick-In Shampoo and Conditioner, towel-dry hair. Saturate hair with Priming Lotion and work through from roots to ends. Massage to ensure even penetration. Comb through and towel-dry the excess. Follow with Thickening Serum. Sebastian Body Double Supports Breast Cancel Research!