Bullet Points : 1 > The Gold Roll On Is An Effective And Hygienic Microneedling System That Provides The Skin With Active Ingredients And Improves The Anti-Ageing And Rejuvenation Process 2 > The Gold Roll-On Creates Micro Channels That Stimulate The Cells To Produce A Higher Amount Of Collagen. In This Way, The Skin Looks Firmer And Younger Looking 3 > The Dermastir Gold Roll-On Is Particularly Effective In Combination With The Sterile Dermastir Ampoules 4 > Certified 24 Carat Gold Micro Needles 5 > Easy To Disinfect Description : 24K Gold Micro Needle Roller The Gold Roll On Is An Effective And Hygienic Microneedling System That Provides The Skin With Active Ingredients And Improves The Anti-Ageing And Rejuvenation Process. The Gold Roll On Creates Micro-Channels That Stimulate The Cells And Produce A Higher Amount Of Collagen. This Results In The Skin Firmer And Younger Looking. The Dermastir Gold Roll On Is Particularly Effective In Combination With The Sterile Dermastir Ampoules. Application: Disinfect The Gold Roll-On In 75% Alcohol Solution For At Least 20 Minutes. Leave The Roller In A Physiological Saline Solution For 5 Minutes. Attach One Of The Sterile Vials To The Top Of The Roll-On And Perform Different Movements: Left To Right, Top To Bottom Or Diagonally. Alta Care Laboratoires 121, Avenue Des Champs-ÃLysã©Es, 75008 Paris - France