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."
While an OTC retinol (0.5%-2% concentration) isn't quite as effective or speedy as prescription-strength, it's less likely to cause irritation, redness, and peeling so better for anyone with sensitive or drier skin. There are also naturally derived retinol alternatives like rose hip seed oil, chicory root oligosaccharides, and tara tree gum, but Chwalek cautions that there are no studies to prove efficacy. Want to add retinol to your routine?
Here are the latest options to stock up on. 
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