Slim Extreme 4D Laser is a unique concentrated serum that, thanks to the innovative RetiCorrect® technology, effectively improves skin cohesion and strength, minimizing the risk of new stretch marks and reducing existing ones. Area of ​​use: Breasts, abdomen, buttocks and thighs, where stretch marks most commonly appear. How to use it: For best results, use the serum 1-2 times a day, gently massaging into areas with visible stretch marks.