If crow's feet are beginning to crisscross your face, but you haven't unleashed retinol on them, new scientific evidence might prod you to consider doing so.
Potent prescription forms of retinoic acid (tretinoin), such as Retin-A, remain the gold standard for anti-aging benefits, reducing the appearance of fine lines, wrinkles, discoloration and other sundry signs of sun damage, dermatologists say.
But over-the-counter vitamin A formulations, particularly retinol, are gaining skin cred. Two studies published in scientific journals in the past year suggest that topical retinol packs more line-fighting power than originally believed, at lower doses than were previously studied.
BONUS Retinol typically causes less irritation and redness - and costs less- than prescription retinoic acid.