GET GOOD SKIN ON THE CHEAP!

New study shows pricey ingredients don't add much

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Effective treatments for fine lines, acne, dark spots and more are available in stores

EXPENSIVE, trendy ingredients are not necessary to have great skin, according to a Northwestern University survey of dermatologists.

The ingredient that got the biggest thumbs-up was retinoids, which speed cell turnover and stimulate collagen production for radiant-looking skin.

Over 96 percent of derms surveyed recommended it for its antiaging benefits and for treating fine lines, acne, dark spots and oily skin.