Nappy rash is one of the most common concerns for parents in Australia — affecting up to 35% of nappy-wearing babies at any given time. If you've seen that tell-tale red, sore skin in the nappy zone, you know how distressing it can be — for your baby and for you.
The good news: nappy rash is usually preventable. This guide covers the causes, the best prevention strategies, and what to do when it does appear.
What causes nappy rash?
Nappy rash (also called nappy dermatitis) is skin irritation caused by prolonged contact with urine and faeces, friction from the nappy, or chemicals in nappy products. The most common causes include:
- Leaving a wet or soiled nappy on too long — urine breaks down into ammonia, which irritates skin
- Chemicals in nappies — chlorine residues, fragrances, and dyes can trigger reactions
- Starting solids — changes in diet alter the composition of bowel movements, making them more irritating
- Antibiotics — disrupt gut flora and can cause more acidic stools
- Teething — increases drooling and can change nappy contents
- Tight-fitting nappies — reduce airflow and increase friction
The best ways to prevent nappy rash
1. Change nappies frequently
The most important prevention strategy is the simplest one: change your baby's nappy as soon as it's wet or soiled. During the newborn stage, this can mean 10–12 changes per day. As your baby grows, you'll find a rhythm — but never leave a wet nappy on longer than 2–3 hours.
2. Switch to a chlorine-free nappy
Conventional nappies are bleached using chlorine during manufacturing, leaving trace chemical residues that can irritate even normal skin — and significantly worsen sensitive skin. Switching to a chlorine-free nappy like Fuzzy Friends eliminates this risk entirely. Our dermatologically certified formula is tested and proven safe for sensitive skin.
3. Allow nappy-free time
Give your baby's skin time to breathe every day. Even 10–15 minutes of nappy-free time on a waterproof mat helps reduce moisture build-up and lets any early irritation settle. Many parents do this during tummy time.
4. Use a barrier cream
A thin layer of zinc oxide or petroleum-based barrier cream at each change creates a physical barrier between skin and the nappy's contents. Use fragrance-free products to avoid adding another potential irritant into the mix.
5. Clean gently
For newborns and babies with sensitive skin, cotton wool and warm water is gentler than baby wipes. If you do use wipes, choose fragrance-free, alcohol-free options. Always wipe front to back, and pat dry — don't rub.
6. Make sure the nappy fits properly
A nappy that's too tight restricts airflow and increases friction; too loose and you'll have leaks. Check that you can fit two fingers under the waistband and that the leg cuffs sit snugly without digging in.
When to see a doctor
Most nappy rash clears up within 3–4 days with good home care. See your GP or maternal health nurse if:
- The rash doesn't improve after 3 days of treatment
- There are blisters, sores, or raised bumps
- The rash has spread beyond the nappy area
- Your baby has a fever alongside the rash
- The rash looks bright red and has a distinct border — this may be a fungal infection requiring antifungal cream
The Fuzzy Friends difference
Fuzzy Friends nappies are specifically designed to reduce the risk of nappy rash. Chlorine-free manufacturing eliminates the biggest chemical irritant. Our dermatologically certified formula means every batch is tested to ensure it's safe for even the most sensitive skin. And our breathable outer layer helps keep the nappy zone cooler and drier.
If your baby is prone to nappy rash, switching nappy brands is one of the most effective first steps. Try a free Fuzzy Friends sample and see the difference for yourself.

