Sagging skin (loose skin), sun exposure, smoking or exposure to smoke, environmental stressors, and significant weight fluctuations

  • Retinol. Retinol (vitamin A) is over-the-counter retinol that can help smooth skin texture and firm the skin. …
  • VITAMIN C
  • RETINOIDS
  • Collagen and Collagen-Boosting Peptides. …
  • Caffeine
  • Hyaluronic Acid
  • Alpha Hydroxy Acids (AHAs)
  • Polyglutamic Acid (PGA)