
This viral £4.40 K-Beauty sheet mask is leaving shoppers with 'glass skin overnight' - here's where to get yours
Delivering gorgeous skin overnight, whether you pop one on during a long-haul flight or as part of your nighttime skincare routine, the Biodance Bio Collagen-Real Deep Masks have gained internet virality thanks to their incredible, youth-defying results.
Biodance Bio Collagen-Real Deep Mask 4 Sheets
Set to leave skin hydrated, firmed and strengthened, the Biodance Bio Collagen-Real Deep has been made by solidifying highly concentrated serum.
As your skin absorbs the active ingredients in the mask it becomes transparent, letting you know your skin has absorbed all its goodness.
£17.60 Shop
Better still? You can snap up a bundle of four today at iHerb for just £17.60 – bringing each mask to just £4.40.
iHerb has become a go-to destination for those looking to tap into the biggest Korean beauty trends all under one roof, including the skincare brands taking TikTok by storm like COSRX, Beauty of Joseon and, of course, Biodance.
Set to leave skin hydrated, firmed and strengthened, the Biodance Bio Collagen-Real Deep Mask has been made by solidifying highly concentrated serum. As your skin absorbs the active ingredients in the mask, it becomes transparent, letting you know your skin has absorbed all its goodness.
Absolutely packed with skin-loving skincare ingredients and with over 5,000 sold on iHerb alone in the past month, the cult mask is a skincare staple for good reason, delivering noticeable skincare results in as few as one use.
These include oligo-hyaluronic acid to deeply hydrate the skin, ultra-low molecular collagen to refine pores and smooth the skin and three different kinds of probiotics to strengthen the skin's barrier and slow ageing for a glowing, moisturised and gorgeously smooth complexion.
In fact, after just one use, skin moisture has been seen to increase by 256 per cent, skin elasticity by 34 per cent and pore size decreased by 83 per cent.
For best results, the brand recommends using the two-part mask overnight as a sleeping mask, and thanks to its mess and residue-free application, many shoppers have been seen using the anti-aging mask on long-haul flights to keep skin looking radiant.
'This is seriously such a nice luxury face mask experience,' raved one five-star reviewer. 'I wasn't sure if it was gonna be gimmicky. I wore the first one around the house while I did chores. I looked a little bit crazy but afterwards my skin was so bouncy and juicy.'
Designed for even the most sensitive of skin, this hard-working mask has been credited as delivering impressive hydration without irritation or causing breakouts.
And users can't get enough of it. Customer results show that 100 per cent agreed their pore condition and skin redness improved, while 95 per cent agreed their skin felt moisturised.
'From the first application, I noticed an immediate difference in the texture and hydration of my skin,' wrote another impressed reviewer. 'The formula is lightweight yet deeply moisturising, making it perfect for my dry and sensitive skin.
'What I love most is that it absorbs quickly without leaving any greasy residue, and it doesn't cause any irritation or breakouts, which is often a concern with sensitive skin products. The fragrance-free aspect is also a huge plus for me since I tend to avoid strong scents.'
Another added: 'Wow. I usually don't take the time to write reviews. But I tried one of these for the first time last night and I'm amazed. Literally, down to every detail, these are exactly as described and as seen on social media, glass skin effect and everything.'
'Totally worth the #1 best seller status for me! The mask is fantastic. The texture is so nice, it adheres to the skin unlike any other mask I have ever tried, the cooling effect is instant and it lasts the entire time you have the mask on. You can feel the tightening while it's happening. My skin looks ridiculously good this morning!' Another wrote.
On the hunt for more bestselling sheet masks? Explore our top picks from iHerb's selection below.
Unmissable iHerb sheet masks

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The Guardian
3 hours ago
- The Guardian
The voice of our own inner critic can be strong. How can we break free from the mental prison?
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Daily Mail
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Daily Mail
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Incredible before and after pictures of CACI's non-surgical jowl lifts seem to have resulted in sharpened and more chiselled jawlines - all without going under the knife. The procedures target muscle laxity around the jawline and can improve the appearance of sagging jowls by lifting and firming the muscles. The treatments may also use LED light therapy and microcurrents to aid in boosting the skin. Richard, 37, from Staffordshire, is a cardiac nurse who said he had 'always been bothered' by his jowls. He said: 'This is something that has always bothered me. Growing up I never liked my jowls and as I have aged, I dislike them even more.' Richard completed a course of CACI treatments at The Chase in Staffordshire in 2023, continuing to have them monthly. He added: 'Although I know there are invasive treatments I could use, I find it difficult to trust others to inject my face as I do this for a living. I much prefer to have non-invasive treatments, and I love the time out for myself. 'I now feel I can't go without it, and I always ensure I pre-book my appointments. I look forward to them and always feel like my face has had a work-out straight after my facial.' To prevent jowls forming, cutting out smoking, limiting exposure to the sun and screen time can also help, according to Healthline. FACIAL TONING One of CACI's statement treatments is facial toning - which takes a variety of forms. At a basic level, it is the lifting and toning facial muscles while reducing fine lines and wrinkles. Methods can include microcurrent gua sha, which combines modern technology with traditional techniques. This promotes lymphatic drainage, enhances circulation, and reduces puffiness. At the same time, the presence of microcurrents works to contour and sculpt the face for a more defined and youthful experience. Non-surgical facial toning uses skin exfoliation techniques to brighten and smooth the skin, toning and lifting the face and firming the neck. In addition, treatments may include LED light therapy, hands-on therapy and energising masks, stimulating collagen and elastin. For men, deep exfoliation and cleansing can be used to tackle razor bumps and ingrown hairs from shaving. Elaine Hendry, 57, from Scotland said she began getting toning facials around 15 years ago, when she was 42. She said: 'I was starting to see fine lines appearing and felt my skin was very dull. 'I didn't want to go down the road of Botox and fillers as I wanted a more natural way forward. Plus, I'm a hairdresser and I saw some clients with Botox that had gone wrong, and they wished they hadn't got it done. 'I started noticing how clear my skin was, and my eyebrows were higher. People were starting to tell me how well I looked.' Now, fifteen years later, Elaine, who is a client of Brownz Beauty in Largs, says: 'My jawline is toned, and my lines are minimal. What I love about it is that I have managed to avoid Botox and fillers and I still look like me.' Krystyna Gibbons, 65, from Lincolnshire says she's 'never' taken for her real age, as people usually assume she's 10 years younger. Krystyna, who visits Enhance Beauty in Grantham, says she's been having non-surgical facials for 16 years and credits it with changing her life. 'From my first facial I was hooked,' she said. 'My appearance was crucial as I worked with high-end blue-chip clients and organisations and attended events gala dinner awards ceremonies. 'I am always being complemented on my glowy skin. I can honestly say I will never give it up. As well as being a great facial it is also my "me time" once a month to relax and shut the rest of the world out - a true luxury experience.' BELL'S PALSY Bell's Palsy is a sudden form of facial paralysis that usually affects one side of the face. According to the NHS website, effective treatments can include steroids and most people get better within six months. If symptoms do not improve, those with the condition can return to their GP. Experts at CACI also recommend non-surgical procedures to help with symptoms. Martin Scott decided to visit the Float Spa in East Sussex after discovering CACI was originally designed to treat Bell's Palsy. He said: 'I found Bell's palsy to be very tough mentally – not being able to talk, eat or drink properly, and having to tape my eye down each night. 'I wanted to start it immediately.' As the whole of the right side of Martin's face was paralysed, he couldn't close his eye or smile on that side. Martin's skin therapist Lorraine recalled: 'It was extremely difficult and distressing for him as he was slurring his speech, and dribbling. 'He also had to tape his eye down as he couldn't close it to sleep. I needed to focus on the whole of his right side particularly his mouth and eye area.' For Martin's treatment, Lorraine explored the use of probes to hold his muscles for a set period of time, using microcurrent power and allowing space in between treatments to allow the muscles to rest. A day or so after his initial treatment, Martin saw an encouraging sign - slight eyebrow movement. He then started to see progress after each treatment, eventually regaining full use of his facial muscles and recovered symmetricity. Lorraine says: 'I was extremely pleased with the result. After only four treatments, he regained full use of all his muscles and his face was symmetrical. After the fourth treatment (over 10 days) he was able to fully close his eye at night.' Martin added: 'The results were nothing short of miraculous for me. I was in and out of Bell's palsy in 24 days. Once treatment was over, I felt fantastic. I basically had my face and my life back.' Another client, Ken, 71, came to the Lindsey Anne Beauty and Cosmetics Clinic in Penkridge with his third episode of Bell's Palsy. Lindsey said: 'He had been down many different avenues to find the right treatment - physio, medicines - but nothing worked.' He began treatments twice a week, starting gently as he had severe sensitivity. Lindsey began began doing jowl lift movements on the one side of his face where his Bell's palsy occurred. She could then start to put more pressure and time behind each movements. She later began jowl movements to lift both sides of his face, before moving onto eye revive treatments to improve facial symmetry. Ken said he was initially 'sceptical' as nothing previously had worked for him, but said it had changed his life, giving him the confidence to go out and start to re-live again. If somebody's face is drooping on one side, they cannot lift up their arms and keep them there, or they have difficulty speaking, it could be the signs of a stroke rather than Bell's Palsy and 999 should be called as soon as possible.