Ahead of Black Friday, get to know our fan favourite products. The tried-and-true, well-loved and much-tested beauty shelf go-to’s that are clinically proven to enhance your glow.
The beauty and wellness industry is buzzing with excitement for one major event that presents the perfect chance to invest in top-notch, science-backed essentials: Black Friday. This is a golden opportunity to enhance your routine with professional-grade products that deliver real, transformative results. At Dermoi, we’re all about effectiveness and independent scientific validation, which means every product we support is grounded in solid clinical research.
This year, our Black Friday spotlight is on the true fan favourites, the scientifically advanced bestsellers that our community absolutely loves. These are smart, long-term investments in your skin and hair health, meticulously crafted by leading brands to truly deliver on their promises.
Medik8, a pioneer in science-led skincare, continues to revolutionise anti-ageing innovation with its Liquid Peptides Advanced MP, a next-generation serum powered by Dual MiniProteins™ technology. This innovative formula is clinically shown to diminish the look of expression lines in just 10 minutes and tackle deep-set wrinkles in 8 weeks. With a pharmaceutical-grade approach and peptide-powered performance, it’s a game changer.
The Expression-like MiniProtein™ works to relax and smooth out those lines, visibly reducing wrinkle depth, while the Growth Factor MiniProtein™ boosts collagen, elastin, and hyaluronic acid production, enhancing your skin’s structure and firmness. Packed with a 30% multi-peptide complex, featuring copper peptides and Matrixyl 3000™, it rejuvenates your skin’s youthful texture and resilience. Acting like a molecular “key” that unlocks your skin’s natural ability to regenerate, liquid peptides advanced MP provides a filler-like effect for smoother, firmer, and more youthful-looking skin, clinically tested and proven for all skin types and tones.

Medik8 has launched Advanced Night Restore - a remarkable overnight cream crafted to align perfectly with your skin’s natural repair cycle. As you sleep, your skin enters its most intensive regeneration phase; this innovative formula enhances that process to deliver visibly youthful, plumper, and firmer skin by morning. Clinically shown to diminish stubborn wrinkles and give your skin a lift in just 7 days, it leaves your complexion feeling deeply nourished, soft, and comforted.
It is powered by:
The formulation also contains hyaluronic acid and glycerin deliver deep hydration, while vitamin E enhances antioxidant protection. Plus, N-acetyl glucosamine helps your skin naturally produce more hyaluronic acid for that lasting smoothness. Advanced Night Restore is your go-to for achieving a visibly rejuvenated and youthful complexion.
A revolutionary vitamin A serum that transforms skin with visible age-defying power, smoothing stubborn wrinkles, brightening dark spots, and firming the complexion without irritation. It’s also powered by retinaldehyde, a cutting-egde form of vitamin A that delivers impressive results while being gentle on your skin.
What sets Crystal Retinal apart is its unique progressive ladder system, which features six different strengths ranging from 0.01% to 0.24% retinaldehyde. This allows you to gradually build up your skin’s tolerance and consistently enhance your results over time. This “step-up” method ensures that your skin gets the most rejuvenating benefits while keeping sensitivity to a minimum.
Clinically proven and highly praised by dermatologists, Crystal Retinal’s patented stability system ensures unmatched potency, making it the UK’s top dermatological face serum for achieving visibly youthful, radiant, and healthy-looking skin.

To achieve noticeably thicker hair, it’s all about giving your follicles the right nutrients that are backed by science. Viviscal Pro Hair Growth tablets take a powerful, multi-ingredient approach to help extend the hair growth cycle.
At the heart of this formula is the proprietary AminoMar® Marine Complex. This isn’t just any protein blend; it’s clinically proven to nourish thinning hair by prolonging the growth phase of the hair cycle. This means less shedding and more time for your hair to grow long and full.
The formula is enhanced with:
By delivering these targeted, high-impact ingredients directly into your bloodstream, Viviscal Pro creates the ideal internal environment for advanced, drug-free hair growth.
With more than 30 years of experience in dermatology, Obagi is at the forefront of medical-grade skincare innovation. The Obagi Nu-Cil Eyelash Serum is a game-changing formula crafted to help you achieve visibly fuller, thicker, and more defined lashes. Thanks to its NouriPlex® Technology, it nurtures the natural lash cycle, promoting stronger and healthier growth.
Key Ingredients:
Clinically tested and approved by ophthalmologists, the Obagi Nu-Cil Eyelash Serum offers progressive results with daily use, revealing longer, healthier, and beautifully defined lashes. You can find it at Dermoi, the official UK retailer of Obagi.