How to Wash Babywear and Keep Merino Soft

That milk dribble on a favourite sleepsuit, a nappy leak just before bedtime, the mysterious mark that appeared during a buggy nap: babywear works hard. Knowing how to wash babywear properly helps it stay soft against delicate skin, hold its shape and last beautifully through all those snuggly days and cosy nights.

For merino babywear in particular, gentler care is often the answer. Superfine merino is a high-performance natural fibre that can help regulate temperature and manage moisture, but it does not need harsh washing to stay fresh. A calm, simple routine will protect the qualities that make it so wonderfully comfortable for little sleepers.

Start with the care label

The sewn-in care label is always your best guide. Different garments may have different trims, linings, fastenings or fabric blends, so the safest wash temperature and drying method can vary. Check the label before the first wash, rather than assuming every item in the laundry basket can be treated the same way.

For most everyday babywear, washing at 30°C is plenty. It is kind to fabrics, uses less energy and is usually effective with a good detergent. If an item is heavily soiled, deal with the stain before washing rather than automatically turning up the temperature. Heat can set some stains and may cause delicate fibres to shrink, fade or lose their softness.

New clothes should be washed before wear. This removes any traces of dust or finishing treatments picked up during making, packing and travelling, giving your baby a freshly washed layer from the very first cuddle.

How to wash babywear before it goes in the machine

A minute of preparation can make a real difference. Empty pockets, close poppers and zips, and turn printed garments or darker colours inside out. Fastenings can catch on fine knits or the lining of a sleeping bag if left open.

Separate pale and dark colours, especially for the first few washes. Bright new garments can release a little excess dye, and a white bodysuit is rarely improved by sharing a load with deep navy or berry-coloured layers. Keep towels and rougher fabrics separate from fine babywear too. Their fibres can cause pilling and make delicate clothes feel less smooth over time.

Try not to overload the drum. Clothes need room for water and detergent to circulate, while bulky items such as sleeping bags need space to rinse properly. A loosely filled machine also reduces creasing and puts less strain on fabrics.

Choose a gentle detergent

Fragrance-free, non-biological detergent is a sensible choice for many families, particularly where a baby has sensitive skin or eczema. It keeps the routine simple and avoids adding strong perfumes to the layers that sit close to your little one all day and night.

For merino wool, use a wool-safe detergent that is pH-neutral and free from enzymes, bleach and optical brighteners. Standard detergents can be too harsh for natural wool fibres, while biological detergents often contain enzymes designed to break down protein-based stains. Wool is a protein fibre, so an enzyme-free formula is the gentler option.

Skip fabric conditioner when washing merino. It can coat the fibres and reduce their natural ability to manage moisture. It is also best avoided for absorbent pieces such as bibs, muslins and towels, where softness is less useful than keeping the fabric able to do its job. If static is an issue, drying garments naturally rather than relying on conditioner is usually enough.

Washing merino babywear with confidence

Merino has a reputation for being difficult to care for, but modern machine-washable merino is refreshingly practical. Its naturally antibacterial properties mean it can resist odours between washes, so a quick air on a hanger is sometimes all a lightly worn piece needs. This can be especially handy for outer layers, sleepwear that is not visibly soiled, and merino sleeping bags used with a clean layer underneath.

When a wash is needed, use the wool or delicate setting on a cool or 30°C wash, following the garment label. Select a gentle or reduced spin if your machine offers one. Avoid sudden temperature changes, which can shock wool fibres and contribute to shrinkage or felting.

If you prefer hand washing, use cool or lukewarm water and dissolve wool detergent fully before adding the garment. Gently press the item through the water rather than rubbing, twisting or scrubbing it. Rinse at a similar temperature, then press out excess water carefully. Never wring merino, as this can stretch the garment out of shape.

With larger merino sleepwear, such as a baby sleeping bag, make sure all poppers and zips are closed and wash it separately or with similarly lightweight items. This helps the bag move freely in the drum and protects its shape. If there is a localised mark, spot clean it promptly with a small amount of wool detergent before a full wash.

Treat stains promptly, but gently

Baby stains are part of family life, and quick action is more useful than aggressive products. Rinse milk, food or nappy leaks with cool water as soon as you can. Work from the back of the stain towards the front, which helps lift it away rather than pushing it further into the fabric.

For cotton or other washable everyday fabrics, a small amount of baby-safe stain treatment may help, provided the label allows it. Test it first on a hidden area. For merino, keep things simple: use a wool-safe detergent, dab rather than rub, and avoid bleach or strong stain removers. A faint mark is preferable to damaged fibres.

Sunlight can naturally help brighten white cotton after washing, but do not leave coloured or merino garments in strong direct sun for long periods. Extended exposure can fade colours and dry fibres too harshly.

Dry babywear the right way

Drying is where good washing habits can be undone. Tumble drying can be convenient, but unless a care label specifically says it is suitable, air drying is the safer choice for babywear and essential for most merino pieces. High heat may shrink fibres, damage elastic and make fabrics feel less soft.

Reshape merino while it is damp, smoothing sleeves, legs and seams back into place. Dry it flat on a clean towel or drying rack, away from radiators and direct heat. Hanging a wet knit can pull it longer under its own weight, particularly if it is a heavier item.

Cotton sleepsuits, bodysuits and muslins can usually be dried on an airer. Turning darker garments inside out will help preserve their colour. Make sure everything is fully dry before folding and putting it away, especially thicker sleepwear and the areas around seams or pockets. Damp storage can leave clothes smelling musty and may encourage mildew.

How often should you wash babywear?

Items worn directly next to skin, such as bodysuits, vests, socks and sleepsuits, generally need washing after each wear. Bibs, muslins and anything affected by milk, food or dribble should also be washed promptly.

Outer layers may not need a full wash every time. If they are clean and dry, airing them between wears can be enough. This is one of the lovely practical benefits of merino: its natural odour resistance can mean less laundering, less wear on the garment and one less load for busy parents.

Sleeping bags should be washed when soiled, after illness, or whenever they need freshening. How often this is depends on your child, what they wear underneath and the occasional realities of bedtime. Using a clean sleepsuit or bodysuit beneath the sleeping bag can help keep it fresh for longer.

A few habits that help babywear last

Keep spare sets of core sleepwear in rotation so no single piece is washed and dried repeatedly in a hurry. Store clean merino folded rather than hanging, ideally in a cool, dry drawer. If you are putting seasonal pieces away for several months, wash and dry them first, then check them before the next growth spurt arrives.

A gentle wash routine is not about treating babywear as too precious to use. It is about helping each comforting layer stay ready for the moments that matter most: a calm feed, a cosy cuddle and a peaceful night’s sleep.