How to Care for Your Duvet: Airing, Fluffing and Storage Tips to Keep Your Tencel Duvet Fresh

A good duvet lasts for years, provided it's treated properly. Tencel duvets in particular are sensitive to improper storage or infrequent airing: the filling clumps together, the duvet loses its loft, and the pleasant sleep climate suffers. Yet proper care doesn't take much effort. With a few consistent habits — daily airing, regular fluffing, and correct storage out of season — your duvet stays noticeably fresher and holds its shape longer. This guide shows exactly what matters.

Why daily airing makes a difference

Over the course of a night, every duvet absorbs moisture — body heat and perspiration quickly produce several hundred millilitres per night, which collects in the filling and the cover. If the duvet is smoothed flat and left that way the moment you get up, this moisture has little chance to escape. Over time, this encourages a musty smell and makes the filling heavier and more prone to clumping.

It's better to fold the duvet back or drape it over a chair after getting up and open the window for 15 to 20 minutes. If you can, air the duvet more thoroughly once a week as well — by an open window or on a balcony, but not in direct sunlight, since UV rays damage both fibres and colour.

Fluffing it properly — so the filling spreads evenly

Fluffing is more than a ritual. Moving and shaking the duvet redistributes the filling evenly within its chambers and lets it reabsorb air, which is what creates the insulating effect. The most effective method is to grip the duvet at two opposite corners and shake it vigorously several times in the air before laying it back down.

Duvets with box-stitched seams — chambers that are stitched to stop the filling from shifting — usually only need a gentler shake, since the filling tends to stay in place anyway. With simpler quilting patterns, more thorough fluffing is worth doing more often, as the filling can shift and bunch up in a corner more easily.

Washing and cleaning: what Tencel duvets need

The care label is always the most reliable source for any duvet — filling material, cover fabric, and stitching differ from product to product, and the manufacturer's instructions always take precedence over general care tips. As a rough guide: many Tencel-filled duvets are machine washable at 30 to 40 degrees, but should be fully dried afterwards before being used or stored again. Residual moisture in the filling encourages odour and makes the duvet unnecessarily heavy.

Larger duvets from 200×220 cm upward quickly exceed the capacity of a household washing machine. In that case, professional cleaning or a launderette with large-capacity drums is the more practical option. Stains should be treated promptly and locally wherever possible, rather than washing the whole duvet — this protects the filling and extends the time between full washes.

Storage between seasons

If you switch between summer and winter duvets, don't simply store the unused one in a plastic bag. Airtight packaging prevents air exchange, traps residual moisture, and can lead to a stale smell after a few months. A breathable cotton or fleece storage bag is a better choice, as it protects the duvet from dust while still allowing air to circulate.

It's also important not to compress the duvet heavily for long periods. Vacuum bags are handy for transport, but not ideal for months of storage, since the pressure can cause the filling to lose its loft. A dry, dark cupboard away from direct heating is a better storage spot than a basement or attic, where humidity tends to fluctuate more.

What makes Tencel such a low-maintenance filling material

Tencel is a lyocell fibre made from wood pulp — usually eucalyptus. In the textile industry, lyocell is generally regarded as particularly absorbent, which is why it's often used in bedding where a dry sleep climate is desired. The smooth fibre surface also gives it a soft hand-feel without any additional treatment.

For care, this means: Tencel fibres absorb moisture well, but also release it comparatively quickly — provided the duvet is actually given the chance to do so through regular airing. If that opportunity is consistently missing, even the best fibre material offers no advantage.

Why Maison de Cocon

• Our Duvets collection includes duvets with a range of different filling materials, including Tencel, so you can choose based on how much care you're willing to put in.
• Every duvet ships with a care label stating the manufacturer's specific washing and drying instructions for that particular filling material.
• If you have questions about caring for a specific model, our customer service team can advise you directly based on the product details.
• We generally recommend breathable storage bags rather than airtight plastic packaging, to protect the filling while it's stored.

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