Dear Marie-Pier, Thank you for your question and for sharing your concerns regarding the persistent fat on the outside of your legs and buttocks. It's a common concern, and you're not alone in seeking solutions for those stubborn areas that seem resistant to diet and exercise. At 19, considering your active lifestyle and commitment to fitness, exploring minimally invasive or non-invasive options is a sensible approach. Here's a brief overview of the options you mentioned: Smart Lipo (Laser Lipolysis): Smart Lipo is a minimally invasive procedure that uses laser energy to liquefy fat before it's removed through a small tube called a cannula. It offers the dual benefit of fat removal and some degree of skin tightening due to the heat generated by the laser. Recovery time is typically shorter than traditional liposuction, and it's effective for targeting specific areas like the hips and buttocks. Given its minimally invasive nature, it's suited for individuals looking for more definitive fat reduction with a willingness to undergo a surgical procedure. Velashape: Velashape combines infrared light, bi-polar radio frequency energy, and vacuum technology to heat the fat cells, dermis, and underlying connective tissue. This promotes fat metabolism, reduces the appearance of cellulite, and tightens the skin. As a non-invasive treatment, it requires no downtime, making it an attractive option for those seeking less aggressive interventions. Ultrashape: Ultrashape uses focused, pulsed ultrasound energy to target and destroy fat cells selectively, without harming surrounding tissue. This process is painless and leaves no visible signs of treatment, making it another non-invasive option for fat reduction. Multiple sessions may be needed to achieve desired results. Accent XL: Accent XL utilizes dual-layer radiofrequency (RF) technology to stimulate collagen production and improve the texture of the skin, in addition to reducing fat. This non-invasive method can be effective for skin tightening and smoothing, with the added benefit of some fat reduction. Choosing the Best Option: Personal Goals: Consider how much fat you're looking to lose and the importance of additional benefits like skin tightening. For more significant fat removal, Smart Lipo might be more effective. For modest reduction and skin improvements, non-invasive options could suffice. Recovery and Results: Minimally invasive procedures like Smart Lipo often require some downtime, though less than traditional liposuction. Non-invasive treatments typically involve no downtime but may require multiple sessions over several weeks to achieve noticeable results. Consultation: The most critical step is to consult with a board-certified plastic surgeon or dermatologist who specializes in body contouring. They can provide a personalized assessment based on your body type, fat distribution, and aesthetic goals. Marie, your proactive approach to fitness and willingness to explore cosmetic options to achieve your desired body contour is admirable. With the right guidance and a clear understanding of your goals, you can select a treatment that aligns with your expectations and lifestyle. Sincerely, J. Timothy Katzen, MD, FASMBS, FICS Plastic and Aesthetic Surgeon