Microfibre Pillows Explained: Benefits, Care & Who They’re For (UK)
Microfibre Pillows Explained: Benefits, Care & Who They’re For (UK)
Walk down the pillow aisle in any UK shop, and you will notice something: the shelves are dominated by two synthetic fillings — hollowfibre and microfibre — sitting side by side, often at nearly the same price, with almost identical descriptions. Shoppers are left with a perfectly reasonable question: what actually is a microfibre pillow, and is it the right choice for you?
This guide answers that question properly: what microfibre filling is, how it differs from hollowfibre, its genuine benefits and honest limits, how to wash and care for it, and who it suits best. By the end, you will know whether to pick up a microfibre pillow or keep browsing.
What Is a Microfibre Pillow?
A microfibre pillow is a pillow filled with ultra-fine synthetic fibres, each one far thinner than the polyester fibres used in a standard hollowfibre pillow. The fibres are typically made from polyester, but spun to a fraction of the diameter — often described by the industry term “denier”, a measure of fibre thickness. Microfibre is generally classed as anything under one denier, while regular polyester fibres used in pillows run several times thicker.
Why does fibre thickness matter? Think of it like thread count in bed linen: finer individual strands mean more fibres per pillow, which changes the feel of the fill. A microfibre fill feels denser, silkier and more down-like to the touch than standard hollowfibre, with a smoother hand-feel and a gentle, even loft. Manufacturers cluster the fine fibres into soft, springy balls or short staples, so the pillow keeps a plump shape while remaining light.
The cover is usually cotton, cotton blend or microfibre fabric itself, often with a simple corded or piped edge. Like all synthetic pillows, microfibre is fully machine-washable — one of its strongest selling points — and it is inherently inhospitable to dust mites, which is why synthetic fills are often chosen by people who find natural down or feather pillows irritating.
Microfibre vs hollowfibre: what’s the difference?
This is the comparison most shoppers trip over, because the two look similar on the shelf. The difference is entirely in the fibre:
- Fibre thickness: microfibre uses much finer individual filaments, giving a silkier, more down-like feel. Hollowfibre uses thicker, hollow-core fibres that are springier and more resilient.
- Feel: microfibre tends to feel softer and smoother on first touch; hollowfibre feels a touch more structured and bouncy.
- Loft and shape: microfibre pillows often have a gentle, medium loft and mould around the head; hollowfibre holds its shape a little more firmly and bounces back readily.
- Breathability: both are polyester-based and neither is a naturally breathable filling in the way wool or feather is. Microfibre’s denser fill can trap slightly more warmth; hollowfibre’s hollow cores allow a little more air movement. If you regularly overheat at night, our guide to the most breathable pillows for hot sleepers walks through your options.
- Price: in the UK market, the two usually sit in the same affordable band — microfibre is sometimes a pound or two more, reflecting the finer spinning process.
For a deeper look at the other half of this pairing, see our explainer on what hollowfibre is and how it performs.
Microfibre Pillow Benefits
Microfibre has earned its shelf space for honest, practical reasons. Here is what it genuinely does well:
1. A down-like feel without the down
The standout benefit is the feel. Fine fibres pack together into a smooth, even fill that drapes and moulds around your head in a way that recalls down — soft on first contact, with a gentle give. For sleepers who dislike the springy bounce of standard polyester, microfibre is the friendlier synthetic.
2. Hypoallergenic and dust-mite resistant
Microfibre is a manufactured filling, so it contains none of the proteins that can trouble people sensitive to feather or down. It is also naturally resistant to dust mites. (A fair note: no pillow is permanently dust-mite-proof — regular washing at 60°C and a washable pillow protector do the heavy lifting on any pillow.)
3. Fully machine washable
You can put a microfibre pillow straight in the washing machine — a genuine advantage over feather and down, which demand more careful handling. Wash at the temperature on the care label, usually 40–60°C, and tumble dry on low or dry thoroughly to restore loft. More on this in the care section below.
4. Affordable
Microfibre sits firmly in the budget-friendly band of the pillow market. You can dress a spare room, a guest bed or a student flat in matching pillows without wincing — and replace them when they tire, which matters because synthetics have a shorter lifespan than natural fills.
5. Lightweight and easy to handle
Despite their plush feel, microfibre pillows are light — easy to fluff, carry, wash and store. A useful quality if you change pillowcases often or wash bedding weekly.
The Honest Limitations
A trustworthy guide says what a product doesn’t do, too. Microfibre’s limits are worth knowing before you buy:
- Shorter lifespan than natural fills: synthetic fibres compress with use. Expect a microfibre pillow to serve well for around one to two years of nightly use before the fill flattens and stops recovering — sooner than feather or wool, which can last several years with care.
- Can sleep warmer: polyester does not wick moisture or breathe the way natural fibres do, and microfibre’s denser fill can feel warmer than hollowfibre. If you are a hot sleeper, manage expectations — microfibre is not a cooling pillow, and nothing in a standard microfibre pillow actively cools you.
- Less support for some sleepers: the soft, moulding feel that many people love means microfibre offers less firm, structured support than a denser fill. Side sleepers who need real loft to keep their head level may prefer something firmer, such as a box-edge pillow or a feather blend like our duck feather and down pillow.
- Static and cling: like most synthetics, microfibre can generate static, which occasionally shows up as pillowcases clinging or hair frizzing. A cotton pillowcase helps.
Who Are Microfibre Pillows For?
Microfibre suits a clear set of sleepers. You are likely to be happy with one if you:
- Prefer a soft, down-like feel but want a synthetic, washable, animal-free filling.
- Sleep on your back or front, where a softer, medium-loft pillow lets your head rest naturally without pushing it upward.
- Find feather or down irritating and want a dust-mite-resistant synthetic alternative.
- Buy for a guest room, student room or rental — microfibre is affordable, consistent and easy to replace.
- Wash bedding frequently — if your pillow goes in the machine every few months, microfibre’s washability is a genuine daily-life benefit.
- Like to double up: two softer microfibre pillows stacked give back and side sleepers adjustable height without the cost of premium fills.
You may want to look elsewhere if you are a dedicated side sleeper needing firm, high loft; if you sleep very hot (see our breathability guide above); or if you want a pillow that lasts many years — in which case natural fills repay the investment.
A note on sleep positions
As a rough guide: front sleepers usually do best with a single, softer, lower-loft microfibre pillow. Back sleepers suit a medium loft that supports the neck’s natural curve without tilting the chin down. Side sleepers need the most height — a gap roughly the width of a shoulder — so either double up or choose a firmer, higher-loft design such as our hotel-style pillow.
How to Wash Microfibre Pillows: Step by Step
Proper washing is what separates a microfibre pillow that lasts two years from one that goes lumpy in six months. Follow these steps:
- Check the care label first. Most microfibre pillows wash at 40–60°C. A 60°C wash helps with dust-mite control; 40°C is gentler on the fill over time.
- Wash two at a time. A single pillow unbalances most machines and gets beaten rather than washed. Two pillows balance the drum and agitate each other clean.
- Use a small amount of mild liquid detergent. Skip fabric softener and dryer sheets — they coat synthetic fibres and flatten loft.
- Select a gentle or wool cycle with an extra rinse. Detergent trapped in dense microfibre fill is the main cause of that “never quite rinsed” stiffness.
- Dry thoroughly — this is the critical step. Tumble dry on low heat with a couple of clean tennis balls or dryer balls, which break up clumps and restore loft. If line-drying, expect it to take a full day or more; shake and refluff the pillow every few hours. A pillow that feels dry on the outside but damp inside will develop mildew and odour.
- Fluff and reshape. Once bone dry, give the pillow a vigorous shake and a few punches to redistribute the fill evenly.
How often should you wash them?
Every three to six months is a sensible rhythm for the pillow itself; pillowcases and protectors should be washed weekly. A washable pillow protector under your pillowcase is the single best investment for any pillow — it takes the sweat and oils that would otherwise work into the fill, and it is far cheaper to replace than the pillow.
When to replace
Fold the pillow in half, press the air out and let go. If it springs back, the fill still has life. If it stays folded or recovers only slowly and unevenly, the fibres have compressed permanently — time for a new one. For nightly-used microfibre, that moment usually arrives after one to two years. If you are replacing a pair, our plain pillow pack of 2 is the economical way to refresh both sides of the bed.
Microfibre Pillows vs Other Fillings: A Quick Comparison
| Filling | Feel | Support | Washability | Typical lifespan |
|---|---|---|---|---|
| Microfibre | Soft, silky, down-like | Soft–medium | Machine washable | 1–2 years |
| Hollowfibre | Springy, structured | Medium | Machine washable | 1–2 years |
| Duck feather | Flat, traditional, mouldable | Soft, low loft | Washable with care | Several years |
| Feather & down | Plush, luxurious | Medium, mouldable | Washable with care | Several years |
If the comparison has you leaning towards natural fills, our duck feather pillow and duck feather and down pillow are the natural next step; if budget and washability are the priority, compare with our hollowfibre pillow or the value hollowfibre multipack for outfitting the whole house.
Buying Tips: Choosing a Good Microfibre Pillow in the UK
- Check the fill weight, not just the size. Two standard-size pillows can feel entirely different; a heavier fill weight generally means a plusher, longer-lasting pillow.
- Look at the cover. A cotton or cotton-rich cover feels better against the skin and breathes slightly more than a full-polyester one.
- Mind the loft for your sleep position. Front sleepers: softer and lower. Back sleepers: medium. Side sleepers: consider doubling up or choosing a firmer design.
- Buy pairs where you can. Two pillows from the same batch feel identical — worth it when both sides of the bed should match.
Frequently Asked Questions
What is a microfibre pillow?
A microfibre pillow is a pillow filled with ultra-fine synthetic fibres — usually polyester spun to under one denier, far thinner than standard pillow polyester. The fine fibres create a dense, silky, down-like fill that is soft, lightweight, hypoallergenic and fully machine washable. It is one of the most popular synthetic pillow fillings in the UK because it mimics the feel of down without the cost, the animal product, or the fussy care.
Are microfibre pillows good?
Yes — for the right sleeper. Microfibre pillows are good if you want a soft, down-like feel, a washable and dust-mite-resistant filling, and an affordable price. They suit back and front sleepers particularly well, and they are an excellent choice for guest rooms. They are less good if you need firm, high-loft support for side sleeping, if you sleep very hot, or if you want a pillow that lasts many years — synthetic fills typically need replacing every one to two years of nightly use.
Do microfibre pillows sleep hot?
They can do. Microfibre is polyester-based, and polyester does not breathe or wick moisture the way natural fibres do; the dense, fine fill can also trap a little more warmth than springier hollowfibre. Microfibre pillows contain no cooling technology — any product marketed as “cooling” that is simply a standard microfibre pillow is overstating things. If you sleep warm, choose a cotton cover, keep the bedroom ventilated, and consider our guide to the most breathable pillows for hot sleepers for fillings that manage airflow better.
How do you wash microfibre pillows?
Machine wash two pillows together on a gentle cycle at 40–60°C with a small amount of mild liquid detergent and no fabric softener, adding an extra rinse. Then dry them thoroughly — tumble dry on low with dryer balls to restore loft, or line-dry for a full day, shaking and refluffing every few hours. The pillow must be bone dry inside, not just on the surface, before it goes back on the bed. Wash every three to six months, and use a washable pillow protector to extend the time between washes.
The Bottom Line
Microfibre pillows occupy a sweet spot: the softness of down, the practicality of a synthetic, and a price that makes replacing them painless. They are not the coolest, firmest or longest-lived pillows you can buy — but for back and front sleepers, for guest rooms, and for anyone who values a machine-washable, dust-mite-resistant pillow at an honest price, they are difficult to beat.
If that sounds like you, our microfibre pillow is ready when you are — and if you are still weighing it against its closest rival, our hollowfibre explainer will help you decide.