Swimming: the risk is bacteria, not chlorine
Chlorine gets blamed, and it is a mild irritant. But the real reason piercers say to stay out of the water is that a healing piercing is an open channel, and pools, hot tubs, lakes, rivers and the sea all contain bacteria that a fresh channel has no defence against.
Hot tubs are the worst of the group: warm, heavily used, and a very good environment for bacterial growth. Natural water — lakes and rivers especially — is next. Chlorinated pools are the least bad of a bad set. The sea sits in between.
Waterproof plasters and dressings are frequently suggested online. They do not seal reliably against a piece of jewellery passing through skin, and a wet dressing trapped over a piercing for an hour is arguably worse than the swim. If you swim regularly, the honest advice is to plan your piercing around your season rather than around a dressing.
Showering is completely different and is fine — clean running water, no standing exposure.
Sleeping: the most avoidable problem
Pressure from sleeping on a healing cartilage piercing is one of the most common causes of the irritation bumps people ask about, and it is the one thing on this page you can fix tonight.
A travel pillow — the U-shaped kind — worn flat on the bed with your ear in the hole is the single most effective trick, and it is what most piercers recommend. It removes contact entirely.
Sleep on the other side for as long as you can manage. If you have piercings on both ears, this is a real argument for staggering them by a few months rather than doing both at once.
A clean pillowcase, changed often. A t-shirt turned over the pillow each night is the low-effort version.
Flat back studs only. A hoop under a sleeping head rotates all night.
| Activity | Verdict | Why |
|---|---|---|
| Hot tubs | Avoid | Warm, heavily used, high bacterial load |
| Lakes and rivers | Avoid | Untreated standing water |
| Swimming pools | Avoid | Bacteria; chlorine also irritates |
| Sea swimming | Avoid | Bacteria, though better than standing water |
| Showering | Fine | Clean running water |
| Gym and cardio | Fine | Rinse after; watch equipment contact |
| Over-ear headphones | Limit | Direct pressure on cartilage |
| Sleeping on the piercing | Avoid | Leading cause of irritation bumps |
What to avoid while a piercing is healing
Exercise: mostly fine, with three exceptions
Sweat itself is not a problem — it is largely salt and water, and rinsing after a session is enough.
The exceptions are mechanical. Helmets and headphones press directly on ear cartilage; over-ear headphones and cycling helmets are the usual offenders. Gym equipment and mats put a face or ear against surfaces used by many people. Clothing friction matters for navel piercings specifically, where a waistband moves against the piercing through an entire session.
Contact sports are their own category — a knock to a healing cartilage piercing can move it, and that is worth discussing with your piercer before rather than after.
Navel piercings are the hardest case
Everything above is more difficult for a navel piercing, which is why they take 6 to 12 months to settle.
It sits under a waistband, flexes with every movement, is covered by clothing all day, and is in the area most exposed when swimming. High-waisted clothing and gym leggings are in constant contact. If you have a new navel piercing, loose waistbands during healing are a genuinely useful adjustment rather than fussiness.
Common questions
Can I swim with a new piercing?
Can I swim with a belly button piercing?
How do I sleep with a new ear piercing?
Can I go to the gym with a new piercing?
Does chlorine damage piercings?
Can I wear headphones with a new ear piercing?
Belora sells jewellery and does not provide medical advice. If a piercing is painful, inflamed, moving position or producing discharge, speak to your piercer, and to a doctor if you suspect an infection. Nothing on this page is a substitute for having someone look at it.