Hi there, Thank you for your thoughtful question — you're absolutely not alone in noticing subtle changes in your neck and jawline in your 40s. The neck is often one of the first areas to show signs of aging due to thinner skin, reduced collagen, and constant movement. Here’s a breakdown of your concerns and the most effective options: 1. Skin Laxity For early laxity, a combination approach is often best: RF Microneedling (like Morpheus8 or Genius): This is one of the most effective non-surgical treatments for tightening the neck. It stimulates collagen and elastin and can be tailored to deeper or superficial layers depending on your needs. Thermage (monopolar RF): Great for skin tightening and particularly effective for mild to moderate laxity, with minimal downtime. It’s safe for thin-skinned areas like the neck. Ultherapy (focused ultrasound): Another excellent option, especially for tightening deeper tissue layers without damaging the skin surface. Sculptra: Useful when there’s volume loss contributing to the laxity, or to stimulate collagen in a more diffuse manner over time. It won’t "tighten" loose skin directly but works well in combination with other therapies. 2. Jawline Contouring Yes, jawline filler can definitely help create a more defined separation between the face and neck. Strategic placement of hyaluronic acid-based fillers or biostimulatory fillers (like Radiesse) along the jawline and chin can enhance contour and lift. 3. Visible Lymph Nodes Mild visibility of lymph nodes — especially in thinner individuals — can be normal, particularly the submandibular or cervical nodes. If they're symmetric, mobile, and not tender, it’s typically nothing to worry about. However, if you're concerned about appearance: A skilled injector may be able to camouflage this area with subtle filler placement. Addressing overall volume loss or skin thinning in the region may help. Still, I would advise a clinical evaluation to ensure there are no underlying medical concerns. Bonus Tips for Neck Maintenance: Daily broad-spectrum sunscreen on the neck (often forgotten!) Topical retinoids or peptides to stimulate collagen Avoiding downward neck posture (tech neck!), which contributes to banding and laxity A personalized combo of RF microneedling + jawline contouring + skin care is a powerful starting point. If there’s early structural volume loss, adding Sculptra or filler can help restore and prevent further sagging.