The contenders: Hand lotions and creams with a minimum of SPF 15. These moisturize and address roughness, wrinkling, and brown spots, some with ingredients commonly found in face creams: antioxidants, peptides, and retinoids, to name a few.

Testing time: Four weeks.

And the winner is...Dior Capture Totale Multi-Perfection Hand Repair Creme SPF 15 ($56, department stores) had the best overall performance score, rating first in a key hand-cream measure: ability to moisturize after six hours. Testers raved about the soft feel of their skin, and several singled out the scent — an unsurprising bonus from a company known for its fine perfumes. Most comments reflected these perks: "What a difference," raved one 49-year-old tester. "My hands look much smoother, as if I am in my 30s."

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