While topical creams can improve skin texture, they have limited ability to tighten significant loose skin because the deeper elastic fibres have been stretched. To support your skin, you can use products with generic ingredients like retinoids (such as retinol or prescription tretinoin) to promote collagen, hyaluronic acid for temporary plumping through hydration, and Vitamin C to protect skin health. For substantial results, topical treatments are usually not enough, and medical procedures or surgery may be needed. I recommend consulting a dermatologist or plastic surgeon to discuss the most effective options for your goals.