If one has washed for bread and already dried their hands, in general, it is not a problem to touch someone else's hands that are wet.

Is One Allowed to Touch a Part of the Hand That Was Not Washed? Different Techniques for Ensuring Water Reaches All Parts of Your Hand While Washing for Bread.

Touching Someone Else's Wet Hands When Your Hands Are Wet Too.

Touching Another Person's Hands with Wet Hands.

Introduction to Problems Arising When One Hand Touches Another During the Washing Process.

Halacha Reference: Is Uttering the Pasuk 'שאו ידיכם קדש וכו' Considered an Interruption?

Is One Allowed to Speak Between Washing Their Hands? (Right Hand Washed, Left Hand Pending)

At What Point in the Washing Process Is One Allowed to Respond אמן 'Amen' to Someone Else Making a Bracha?

How Does a Left-Handed Person Wash for Bread? If One Washed Up to the Knuckles, They Should Try and Wash Again. Be Careful to Wash Between the Fingers Also.

The Various Halachos Pertaining to Washing for Bread in the Bathroom.