I have dry, cracked hands and at times hurt. I work around a lot of boxes. Is there something I can use at night to help my hands? I try to use lotion

Could be an allergy. Dry, cracked skin on the hands is usually not just dry skin but a kind of inflammation that can be an allergy from touching chemicals. It may also be caused by an internal allergy like psoriasis or eczema. Try to wear gloves when working with chemicals, try to not wash your hands too often and use a good moisturizer every time your hands have been wet, but you may have to see a dermatologist.
Norwegian hand formu. Protect hand at work with gloves. Use barrier repair cream such as cerave or foot cream containing urea. Soak hands first to increase efficacy. If necessary cream can be applied at night with white cotton gloves to increase penetration.