Depending on the kind of earring you’re removing and replacing it with, see below:
Internally Threaded Flat Back
To Remove: Hold the back of the helix-piercing earring firmly and twist the head piece to loosen and remove it from your ear.
To Wear: Insert the flat back from the backside of your piercing, then fit and tighten the head (front piece) until snug but not tight.
Butterfly Back
To Remove: Hold the head of your earring (front piece) as you unscrew the butterfly back.
To Wear: Insert the head of your helix piercing stud through your piercing, then screw the back on to fasten.
Latch Back
To Remove: Gently lift the post from its latch, and you’ll feel a click as it opens. Remove from piercing.
To Wear: Gently insert the hoop’s post through your piercing and gently fit it into the latch. You’ll feel a small click assuring you your earring is secure.
Lever Back
To Remove: Gently pull apart the hinge, and the curved post will come apart from its catch. Remove from piercing.
To Wear: Thread the curved post through your piercing and then gently shut the latch back at its hinge.
Huggie
To Remove: Gently pull the front and back pieces of your hoop away from each other, and find your huggie open up.
To Wear: Gently thread the post through your piercing, fit the post into the back piece, and pinch it to shut. You’ll feel a small click, assuring your helix piercing stud is secure.