Breadcrumbs ![The Affordable Serum Everyone’s Talking About](https://media.sheerluxe.com/s1fqHM_6CB_apvY-3a8eT_p0Qww=/800x0/smart/https%3A%2F%2Fsheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F08%2Fms-beautyhero-new.jpg) [Skincare](/beauty/skincare) / 21 August 2026 # The Affordable Serum Everyone’s Talking About Good skincare doesn’t need to be complicated – and M&S Beauty’s revamped Formula range makes a strong case for keeping things simple. Relaunching with high-performance ingredients, silky textures and accessible price points, the line-up is led by a new peptide serum designed to target the loss of firmness, dullness and dehydration. It’s already proving to be a hit, so here’s what’s worth knowing about the range, which starts from just £12… [ Save To My Favourites ](/user/login?destination=/markdownify/node/53735) Created in partnership with M&S BEAUTY [ ![](https://media.sheerluxe.com/QeIOxWLtS70uhpUX4ZSpzxSBecc=/800x0/smart/https%3A%2F%2Fsheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F08%2Fms-beauty-new01.jpg) ](https://www.marksandspencer.com/l/beauty/formula) ## Introducing The Formula Line… Formula is [M&S Beauty](https://www.marksandspencer.com/l/beauty/formula)’s own-brand skincare line, which has already been around for more than 30 years. It’s recently relaunched, overhauling its ingredients and bringing together 16 products across cleansing, treatment and nourishment to help you build a straightforward but hard-working routine. Wanting to produce science-led skincare without the complexity, the range isn’t full of endless variations. Instead, you’ll find products that cater to common skin concerns with recognisable ingredients – think actives like peptides, hyaluronic acid, vitamin C, retinoids and AHAs – all of which are proven to have an impact depending on your individual skin type and needs. The range eliminates the need to follow any ten-step routine. Instead, it encourages you to choose a few, hardworking formulas that look after your complexion swiftly and gently. ## The Product To Start With… One of the most popular products in the collection is the [Ultra Peptide Serum](https://www.marksandspencer.com/ultra-peptide-serum-30ml/p/hbp60916802#intid=pid_pg1pip16g4r1c1%7Cprodflag_plp_ts_CBS_6). Created with multitasking in mind, it targets seven concerns at once – specifically loss of firmness, fine lines, dullness, uneven tone, dryness and visible pores. It does this with a mixture of peptide technologies and an NAD+ booster which feeds skin’s cells with energy to promote better collagen and bounce. There are also ceramides, niacinamide and omegas 3 and 6 in there, all of which pump skin full of hydration and improve the health of the skin barrier over time. The results are promising. In a four-week user trial of 110 women, 86% agreed major skincare concerns looked visibly improved, 92% said their skin felt instantly hydrated and 81% felt it appeared tighter and more lifted – no wonder this product is quickly becoming a bestseller. ## A Bit About Peptides… Peptides have become a skincare mainstay because they’re proven to support the proteins associated with skin firmness, smoothness and resilience. Formula uses what it calls ‘peptide stacking’ – so rather than relying on a single peptide technology, the [Ultra Peptide collection](https://www.marksandspencer.com/l/beauty/formula) combines different peptide technologies in all of its products, as well as barrier-supporting and hydrating ingredients, which each address different aspects of skin performance. In the serum, those peptides sit alongside an NAD+ Booster, which supports skin longevity and energises tired-looking skin. Together, the ingredients are designed to help skin look firmer, fresher and brighter. [ ![](https://media.sheerluxe.com/heabh4Db8RpALN9tyI-wsXH1oeQ=/1920x0/smart/filters:no_upscale()/https%3A%2F%2Fsheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F08%2Fms-beuty-landscape-new01.jpg) ](https://www.marksandspencer.com/l/beauty/formula) The Vault Stock ## The Rest Of The Range… If tired, dull eyes are your bugbear, the [Ultra Peptide Eye Cream](https://www.marksandspencer.com/ultra-peptide-eye-cream-15ml/p/hbp60916825#intid=pid_pg1pip16g4r1c4%7Cprodflag_Just%20Arrived) contains brightening caffeine and smoothing bakuchiol (plant-based retinol) to tackle puffiness and darkness. For those wanting to rehydrate and alleviate feelings of dryness, you can’t go wrong with the [Night Cream](https://www.marksandspencer.com/ultra-peptide-night-cream-50ml/p/hbp60916816#intid=pid_pg1pip16g4r1c2%7Cprodflag_plp_ts_QP_19) which cushions skin in moisture for a smoother, healthier glow come morning. We’ve also been impressed by the [AHA Exfoliating Toner](https://www.marksandspencer.com/aha-exfoliating-toner-200ml/p/hbp60916818#intid=pid_pg1pip16g4r4c2%7Cprodflag_Just%20Arrived). Full of lactic and azelaic acid, it swiftly dissolves dirt and dead skin cells. The clever line-up makes it easy to extend the same peptide-led approach across your routine. That’s part of Formula’s appeal – whether you want to build an entire system or just fill in some gaps, it has you covered. ## Finally, The Reviews… *“I’ve been loving using the Ultra Peptide Serum. After every use, my skin is softer, smoother and well hydrated. It works seamlessly with the rest of my products too. I’m hopeful it will gradually reduce my pigmentation.”* *“I have been using the AHA Exfoliating Toner at least once a day and it has really minimised the appearance of my blackheads. A great product, I highly recommend it.”* *“The cleansing balm is so soft and nourishing. It completely dissolves all make-up and impurities – even waterproof mascara. I love how supple my complexion feels after using it.”* *“Rich, creamy yet quick to absorb, my skin is loving the Ultra Peptide Night Cream. It feels so hydrated and comfortable when I wake up after using it. Plus, it layers nicely with my evening serum and doesn’t clog my pores.”* *“I’ve been using the Ultra Peptide Eye Cream for around four weeks and have noticed the skin is less puffy. I’ve seen less dryness too, so my make-up looks much better as a result.”* *\*All reviews taken from* [*MARKSANDSPENCER.COM*](http://marksandspencer.com) *Visit* [MARKSANDSPENCER.COM](https://www.marksandspencer.com/l/beauty/formula) [ Sign in to comment with your SheerLuxe profile ](/user/login?destination=)Or continue to comment as a Guest below [View the discussion thread.](http://sheerluxe-dev.disqus.com/) *more from* Beauty [View All Beauty](/beauty) ![Is AI the Future of Beauty?](https://media.sheerluxe.com/ru2VbhiXxMcgkcvDEJdvlSI1Fic=/200x267/smart/https%3A%2F%2Fsheerluxe.com%2Fsites%2Fsheerluxe%2Ffiles%2Farticles%2F2026%2F09%2Fsl-site-assets-300926-is-ai-the-future-of-beauty-thumb.jpg) [The Business Edition](/the-business-edition)/ 30 September 2026 [## Is AI the Future of Beauty? ](/beauty/is-ai-the-future-of-beauty) ![The Best New Beauty Buys Under 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