While it’s true there is no magic bullet when it comes to perfecting skin, one ingredient comes pretty close: retinol. “Prescription Retin-A and Tretinoin and over the counter retinols increase skin cell turnover and stimulate collagen synthesis,” explains Jennifer Chwalek, MD of Union Square Laser Dermatology. “With consistent use of a topical retinol or Retin-A you can see improvement of fine lines, dark spots, texture, and tone.”