Skip to main content
TheraPur ActiGel® Cool Mattress Topper
TheraPur ActiGel® Cool Mattress Topper alternate view
TheraPur ActiGel® Cool Mattress Topper alternate view

TheraPur ActiGel® Cool Mattress Topper

4.57 (161 reviews)
  • In-stock
  • Finance available
  • Free delivery
  • Returns

From £150.00 , last checked

BedBoy earns a commission on outbound retailer links. Editorial scoring is independent of commission rates. How this works →

BedBoy Score

A composite score drawn from aggregated customer sentiment across verified reviews, with construction-type benchmarks for categories where reviewer commentary is limited. See our scoring methodology.

3.7/5
BedBoy Score
across 2 measured categories

Per-category breakdown below. The composite is the unweighted mean of every scored category, rounded to one decimal place.

Strongest on customer sentiment; weaker on retailer guarantee.

  • Customer sentiment 4.6/5 Show evidence for Customer sentiment

    Customer sentiment scored 4.6/5 from an average star rating of 4.57 across 161 verified reviews.

  • Retailer guarantee 2.7/5 Show evidence for Retailer guarantee

    Retailer guarantee scored 2.7/5: 40-night sleep trial, 1-year manufacturer guarantee, and paid collection of large items. Sub-scores: trial 3.0/5, warranty 2.0/5, returns 3.0/5.

  • Warmth Rarely mentioned Warmth: Rarely mentioned. Not scored on this product.
  • Filling quality Rarely mentioned Filling quality: Rarely mentioned. Not scored on this product.
  • Washability Rarely mentioned Washability: Rarely mentioned. Not scored on this product.
  • Materials Rarely mentioned Materials: Rarely mentioned. Not scored on this product.

Brand
TheraPur
Retailer
Dreams
Delivery time
Good
Customer sentiment
Average
Guarantee
Excellent

About the TheraPur ActiGel® Cool Mattress Topper

Last checked

Anyone trying to soften a firm mattress without replacing it is the obvious audience for the TheraPur ActiGel® Cool Mattress Topper, a foam mattress topper built around zoned ActiGel® rather than loose fibre or feather fill. The construction points to contouring and pressure spreading: foam takes the shape of the sleeper more than a quilted hollowfibre pad, while the gel element is there to give a cooler initial surface and help move moisture away from the body. It is a comfort layer, not a new mattress. The zoned layout is a credible step above basic mattress pads, especially for a topper aimed at improving support as well as softness, but the practical limitation is that gel-foam still sits in the same broad family as memory-foam toppers - it can cushion a hard surface, yet it will not correct a sagging or uneven mattress underneath. The cooling claim also needs reading carefully: gel and moisture-wicking language usually improves first-contact freshness and dampness control, not permanent air-conditioning through the night. In real bedrooms, that distinction shows up strongly in the feedback.

Used on a firm but still supportive mattress, the topper works best as a surface-comfort upgrade: the positive pattern is better sleep, less morning soreness and a noticeable lift in comfort without the looseness of feather-and-down. Back sleepers get the most convincing story here because the zoned foam is meant to support the main pressure points, and one of the stronger pieces of feedback links the contouring feel with relief around the lower back and legs. Side sleepers wanting a little more shoulder and hip cushioning may also get benefit, provided the mattress below is already level. The smell issue is hard to ignore. A recurring complaint is a strong factory or chemical odour that lingers well beyond initial airing, with bedding picking it up in the worst cases; foam-sensitive households may find this more intrusive than the brief unpacking scent common with simpler fibre toppers. Thinness and movement also come up repeatedly, so anyone expecting a plush, deep topper may find it underwhelming, and the cooling promise is not universal: it can feel cool at first touch, yet hot sleepers have described sweating once settled. It suits a back or side sleeper wanting moderate cushioning on a sound mattress; smell-sensitive households, persistent overheaters and people trying to disguise a failing mattress are better matched with a natural-fibre topper, a deeper premium foam build, or a new mattress altogether.


Pros and Cons

Pros

  • Owners report significant relief from back pain after using the topper.
  • Many users found the topper effectively improved mattress comfort.
  • Several buyers mention that it stays in place during the night.
  • Recent purchasers describe the cooling effect as beneficial for sleep quality.

Cons

  • Complaints about a strong factory smell that persists even after airing out.
  • Some users note the topper is thinner than expected and does not provide adequate softness.
  • Reports of the topper shifting position frequently during sleep.
  • A few owners experienced increased sweating while using the foam material.

Price Tracker


Monika Sharma Written by Monika Sharma, Senior Editor

Last checked by Monika Sharma on . Scoring follows our scoring methodology.


Specifications

Manufacturer specifications without the jargon, easy to scan and compare.

Made locally in the UK - British craftsmanship at its finest

Expertly crafted locally, this specification ensures exceptional quality and supports local industry. Buying products made in the UK often results in superior durability and reduced environmental impact due to shorter transportation distances.


Breathable materials - enhances airflow for cooler sleep

Breathable materials allow for increased airflow, aiding in temperature regulation during sleep. This can result in a cooler, more comfortable sleeping experience.


Anti-allergy protection - hypoallergenic for sensitive sleepers


Elasticated corner straps - stretch securely over your mattress


Fits mattresses up to 32cm - provides a secure all-around fit




Reader reviews of the TheraPur ActiGel® Cool Mattress Topper

BedBoy publishes reader-submitted reviews to broaden the sentiment sample. Reviewer purchase status is not independently verified at submission. For verified-purchase ratings, see the Trustpilot block below. Submit a review, quoting 745-00068 in the subject line.

Generic placeholder avatar for customer review
AggieP via bedboy

Well worth it - finally enjoying a good night's sleep. It definitely has added a comfort layer to my mattress.


Generic placeholder avatar for customer review
HEverard via Dreams

Amazing! We sleep so much better, has really made a change to our hard mattress.


Generic placeholder avatar for customer review
Krysha via Dreams

Bought this topper for my daughter's bed it's so comphy ...


Generic placeholder avatar for customer review
Chris Liz via Dreams

Bought this topper from Nottingham about a week ago, where the staff were really helpful. It really is comfortable supporting well but soft too. It's cool to start but doesn't keep you cooler than any other mattress, but we love it for extra comfort would highly recommend.


Generic placeholder avatar for customer review
No Name Provided via Dreams

Great value for money and very comfortable in our motorhome and very convenient.


Generic placeholder avatar for customer review
melanie09 via Dreams

great for when you want to add a cooling effect and softness to your mattress


Generic placeholder avatar for customer review
Fazli via Dreams

Nicely made, but in my feeling is too soft. I bought a hard mattress and wanted to sleep in hard surface but the topper made it soft again :). I don't think its a toppers problem, the problem is probably with me.


Generic placeholder avatar for customer review
No Name Provided via Dreams

Amazing product, 100 % recommend this topper! Has transformed my bed!


Generic placeholder avatar for customer review
S Webb via Dreams

When first opened the smell was awful like it had gone mouldy even after stripping to air the foam for 24 hours & washing the cover theres still a slight smell, I dont find it very cooling either the only plus side is its very comfortable & I am getting a better nights sleep


Generic placeholder avatar for customer review
Ben n Fran via Dreams

Makes life a lot easier...and your bones will thank you for it.


Generic placeholder avatar for customer review
Rubi dhhdhsjdjdjdjfjfjfjf via Dreams

It is okay, takes some of the heat away, but still warm at night


Generic placeholder avatar for customer review
Tony ely via Dreams

Bought this topper on advice of the salesman,it has been brilliant.


Generic placeholder avatar for customer review
J wat via Dreams

This mattress topper is lovely! It keeps us cool in the heat and adjusts to the temperature- it is also incredibly comfortable!


Generic placeholder avatar for customer review
Janes symons via Dreams

Amazing product. Gave the firm matress the perfect combination or firmness to softness. Highly recomwnded


Generic placeholder avatar for customer review
Ginchy via Dreams

Being 23st I am a little disappointed as only 4cm thick, the wife being a lot lighter does think it has a cooling effect


Generic placeholder avatar for customer review
Rolnick via Dreams

I had an old mattress for few years now and I decided to have good and quality topper to increase the comfort I needed. The therapur Actigel topper saves me from all the bad night sleep. I am really loving and enjoying my sleep now.


Generic placeholder avatar for customer review
KazBo via Dreams

I have been much cooler during night since using the mattress topper and noticed the difference with quality of sleep.


Generic placeholder avatar for customer review
Tracey lee via Dreams

Not sure it is cooling in anyway but fairly Comfortable


Generic placeholder avatar for customer review
Pawel1987 via Dreams

Absolutely amazing mattress, never tho changing to memory foam wolmuld be so amazing!!! Greay service and advice in shop as well!


Generic placeholder avatar for customer review
JonesL via Dreams

Very comfortable topper for our new mattress. It is not not too warm.



Verified retailer reviews

Independent Trustpilot reviews of Dreams.



Not sure which mattress fits? The 60-second BedBoy quiz narrows the field by sleep position, build and budget. Take the mattress finder quiz