Five minutes flat
Brush through and you're done. Doesn't give that flat-ironed look, just smooth and natural. The cordless bit means I do it on the sofa.
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Written and reviewed by the Lumavir beauty-tech team. We research the at-home beauty devices we sell and keep every product detail factual and current. Last updated June 2026.
4.7 · 3 reviews£24.99
£39.99
Save 38%The Lumavir cordless hair straightener brush combines ceramic heating with negative ion technology in a handheld brush design that straightens and smooths hair in one pass. Fully rechargeable over USB Type-C and wireless, it heats to three adjustable temperatures (160°C, 180°C, 200°C) with an LED display that tracks temperature and battery level in real time. At just 20cm by 4.5cm, it is compact enough to pack in a travel bag or use for quick touch-ups throughout the day.
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Lumavir designs styling tools for everyday use and travel. This straightener brush puts cordless, frizz-free results within easy reach without the bulk of traditional flat irons or the learning curve of a wand.
The cordless straightener brush uses ceramic heating plates that distribute warmth evenly across each section of hair. Negative ions are emitted during the heating process, which are believed to seal the hair cuticle and reduce frizz and static. Together, these two technologies create a smoother, more polished finish than heat alone. The three-temperature setting means you can dial in the exact heat your hair texture needs: lower heat (160°C) for fine or previously styled hair, mid-range (180°C) for everyday smoothing, and higher (200°C) for thick or coarse textures. An LED display shows your chosen temperature and remaining battery in real time, so you always know where you stand.
The cordless straightener brush is light and compact at roughly 20cm long and 4.5cm wide, so it feels comfortable to hold and manoeuvre through sections without hand fatigue. The ceramic plates warm up quickly once you power it on, and the brush design means you can draw it from root to tip in a single pass, unlike traditional flat irons that require clipping and rolling. The negative ion function means each pass feels smoother and less frictional on the hair. Cordless use means you can move freely around a bedroom or bathroom, or pack it in a makeup bag for travel or quick touch-ups at work. Most people finish a full head in five to ten minutes depending on hair length and thickness.
Traditional plug-in flat irons tie you to a socket, while many cordless straighteners skip the negative ion function or have limited battery life. At £24.99 this brush combines cordless freedom, ceramic heating and negative ions in a compact form, without premium pricing. Use the lower temperature for fine hair and the higher one for thick or wavy hair.
The cordless hair straightener brush, a USB Type-C charging cable, and a user manual. The device comes in three colour variants: black, white, and pink. Nothing else is needed to start straightening.
USB Type-C rechargeable with a compact 20cm x 4.5cm silhouette, so you can style at home or travel without a cable or bulky case.
glides smoothly through hair to create a polished, frizz-free finish with less damage than basic heating alone.
choose 160°C, 180°C, or 200°C depending on hair texture; lower settings suit fine or damaged hair, higher for thick or coarse hair.
at £24.99 it brings cordless straightening into everyday reach without premium brand pricing or salon visits.
Charge the brush over USB-C, then brush through dry, detangled hair.
Power on and set the temperature between 160°C and 200°C, using a lower setting for fine hair.
Wait for the LED display to show it has reached temperature.
Work in small sections, drawing the brush slowly from root to tip.
Let each section cool before styling for a smoother, longer-lasting finish.

Cordless Hair Straightener Brush
£24.99
Brush through and you're done. Doesn't give that flat-ironed look, just smooth and natural. The cordless bit means I do it on the sofa.
Keeps frizz down between proper styling days. Heats evenly. Slightly bigger than I expected but still fits in my bag.
My hair is thick and wavy and this tames it without snagging. The 30-day guarantee convinced me to try it, and I'm keeping it.