QI have a red Natuzzi leather sofa. The leather on the seat is starting to crack. What’s the best way to restore its former appearance, and how should I moisturize it after I get the cracks filled in?

Q. We have an English-style leather sofa that we have used and enjoyed for 15 years. The leather, a mottled brown and black, now appears dry and dull. Is it possible to give it some shine? I’d like to ...