BaByliss Cosmos Sleek Hair Straightener
435/8394£50.00


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About this product
Achieve sleek, salon-smooth hair with the BaByliss Cosmos Straightener. Ultra-smooth ceramic plates with Sol-Gel technology glide effortlessly for a glossy, frizz-free finish. With fast heat-up and 3 heat settings from 180C to 235C, it suits all hair types. Multi-voltage makes it perfect for travel, while features like auto shut-off, heat mat, and a 2m cord ensure safe, easy styling. Part of the Cosmos Collection.
Super Smooth Styling Ultra-smooth ceramic plates with Sol-Gel technology glide effortlessly through hair, delivering sleek, frizz-free results with lasting shine. Perfect for creating flawless, salon-smooth styles.
Custom Heat Control With fast heat-up and 3 temperature settings from 180C to 235C, the Cosmos Straightener suits all hair types, from fine to thick, giving you controlled, effective styling with care and precision.
Travel-ready design and multi-voltage functionality makes it ideal for styling at home or abroad. Includes a heat mat, auto shut-off for safety, and a 2m power cord for flexible, easy use wherever you are.
- 3 temperature settings.
- Optimum temperature control.
- 230 second heat-up time.
- Width of plates 25mm, length of plates 95mm.
- Swivel cord.
- Automatic safety shut-off after 60 minutes.
General information:
- Manufacturer's 3 year guarantee.
4.5
19 reviews
94%
Recommended this product
Each review is verified as authentic by our independent third party and we only publish reviews from customers or Argos Testers who have purchased or used the item. Customers are incentivised to submit product reviews as part of a prize draw.
Works well for a basic straightening
My experience with this straightener has been mixed. I have fairly curly and frizzy hair, and while the BaByliss Cosmos does a decent job of getting my hair pretty straight, it doesn’t leave it as sleek or smooth as I expected. It works well enough for a basic straightening, but my hair tends to frizz up again throughout the day, and I didn’t get that lasting sleek finish I was hoping for. I also feel like I have to go over sections more than with some other tools I’ve used. Overall, it’s okay for everyday use and worth a 3-star if you want straight hair, but if your focus is sleek, frizz-free results, it might not fully deliver.
Katie, 35 - 44, Bristol, South West
Different but worked well
These looked really nice and different to other straighteners I have used. I like that they are small, easy to hold and use. In the box you do get a heat protective mat so can easily put it down. There are 3 heat settings and the straighteners are easy to use. I found that this worked well in my hair, it glider through easily, although felt needed thinner strands for it to be effective. I think the only thing I found strange is not being able to close them, the only thing can do is wrap the mat around it and velcro it to keep them closed. First time ever seen a pair like that. I would recommend them though, they work well and do what I need them to.
sheryet, 35 - 44, Littlehampton, West Sussex
Good quality straighteners
I've been impressed with these straighteners. I have very long, thick, wavy hair and these glided through it with no problem. There are multiple heat settings which is good as it means you can protect your hair from heart damage by keeping it on a lower setting.
HMaz, 35 - 44, East of England
Great for 4C hair
I have 4C hair and The BaByliss Cosmos Sleek Hair Straightener exceeded my expectations. It heats up quickly, glides smoothly through the hair, and gives a sleek, shiny look without that burning smell. It’s Lightweight and really easy to use, and perfect for taking in my weekend bag. The design feels sturdy and the temperature settings gives great control for different hair types. Overall it’s and excellent straightener that gives salon-quality results at home.
Pwyncess, 35 - 44, London
Great results and visibly attractive
I love the colour, very feminine. They have a round tip and a good size power cord so they’re not restrictive. The heat mat is useful to protect my dressing table. I use the highest heat setting for quick results, I’m pleased with the glossy frizz free finish despite my colour damaged hair.
Candice, 35 - 44, Flintshire, north wales
Babyliss Hair straighteners
Brilliant hair straighteners, my hair is curly and it straightens it amazing. It leaves your hair shiny and soft. You can turn the temperature up or down which I find is handy! The straighteners are stylish and I would highly recommend to any one who would like to have straight hair.
Leanne82, 35 - 44, Coventry
Great product.
Great product. Really easy to use. Doesnt take up much space. Cools down quicker than anticipated. Its sleek, nice to use. Instructions were easy to follow. I would definitely recommend to all family and friends.
Emily, 35 - 44, Norfolk
Hair straightener
A great hair straightener. It's light weight, has a swivel long cord. The ironing plates lay flat against each other making hair straightening easier. Has all the features you would expect from a hair straightener such as adjustable temp settings. After using this my hair is straight, smooth and silky soft
Ami101, 25 - 34, Nottingham
Great affordable alternative
I’m genuinely impressed with these especially considering the big price difference compared to my old GHDs. They have three different heat settings, which I really liked as it makes them suitable for different hair types and gives more control. They also heat up very quickly, which is always a bonus when you’re in a rush. One thing to note is that the ends get extremely hot because of the metal casing. I normally hold the ends when styling, but you definitely can’t do that with these. On the flip side, the hot outer housing actually made them great for curling, as the heat on the outside helped set the curls beautifully! A small downside is that you have to press and hold the power button to turn them off. The first time I used them I didn’t realise and thought they had turned off when they hadn’t — so that could be a potential safety issue if someone isn’t aware. They are very lightweight but I feel They don’t feel quite as robust as my GHDs, but for the price they perform impressively well. My curls held lovely, they straightened my hair really effectively too, and overall I was very happy with the results and don’t think they performed any less than my usuals. I didn’t notice much difference in shine as advertised, but to be fair my hair isn’t naturally very shiny anyway. Great value straighteners that do the job well for a fraction of the usual high-end price.
Rmoreland184, 25 - 34, North wales
Great for the price
Nice straighteners. They heat up fairly quickly and have 3 heat settings so suitable for all hair types. They came with a heat mat which is a bonus as thats something I always forget to buy. Only alight negative for me is they felt quite bulky. This may be because i have a pixie cut, but I found it quite hard to get to my roots.
Charlie, 35 - 44, Sheffield
The small print
*Prices correct as displayed but are subject to change.
The customer and brand answers you’ll see above are submitted independently. As we don’t review these answers, we can’t take responsibility for anything they may say. The responses from Argos colleagues are accurate at the time of publishing. For the latest info, you should check the product page.