Most bathroom shelves were chosen by guesswork.
A serum a friend swore by. A cream from a magazine. Whatever the shop put at eye level. None of it was chosen for your skin. The Skin Analysis replaces the guesswork.
What the Skin Analysis gives you
£9.95£49
1 Order your Skin Analysis
You will receive an email and SMS with the link to begin. Simply complete the questionnaire and upload a selfie.
2 Review your routine
Your personal human skin expert will review your skin, lifestyle, current routine - and make personalised recommendations.
3 Read it with an expert
Your report lands the next morning. Book a 20-minute call with a skin expert to walk you through it, line by line.
The missing piece
Skincare works on the surface. A lot of what you see in the mirror starts underneath: sleep, your gut, what you’re low on.
Proof, not promises
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Clinically proven
In a 7 person clinical study using medical-grade imaging (2026), wrinkle depth decreased by 14 percentage points and skin redness by 12.
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100+ peer-reviewed papers
Supporting the specific probiotic strains and bioactives used in our formulations.
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21bn+ live CFU per capsule
Across our multi-strain Day Pill, delivered in a delayed-release capsule to reach the colon alive.
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Batch tested
Each batch is independently lab-tested for purity.
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Informed Sport certified
The Night Pill and Day Pill are independently certified and third party tested by LGC for banned substances. So everyone, not just athletes, can have confidence in their quality and safety.
Us vs them
| Us vs them | YLW Routine | Most supplements | Most skincare |
|---|---|---|---|
| Designed as one connected system | Yes | No | No |
| Clinically studied formulas | Yes | No | Yes |
| Developed with leading scientists | Yes | No | No |
| Simple routine you can actually stick to | Yes | No | No |
| Supports both gut health and deep sleep | Yes | Yes | No |
| Works from the inside out | Yes | No | No |
| No fillers or unnecessary additives | Yes | No | No |
| Uses high-quality, branded ingredients | Yes | Yes | Yes |
| Made in the UK | Yes | Yes | Yes |
| Designed for results that build over time | Yes | No | No |
The people behind the products.
Developed by leading microbiome experts
Professor of Food Microbiology, University of Reading
Professor Glenn Gibson
Co-coined the term prebiotics in 1995. Author of 8 books, over 500 research papers, and more than 400 abstracts with 56,000+ career citations. Advises YLW on probiotic strain selection and gut-skin axis research.
Head of Nutritional Research
Sophie Medlin
Chair of the British Dietetic Association (London) and former lecturer at King’s College London. Oversees supplement development, ensuring ingredient choice and dosing are grounded in peer-reviewed evidence and real-world efficacy.
Chief Cosmetic Scientist
Daniel Whitby
Over 25 years’ experience developing advanced cosmetic formulations and patented technologies. Leads YLW’s formulation science, ensuring skincare delivers proven results with precision and safety.
Our Head of Nutrition, Sophie Medlin, leads the development of YLW’s supplement formulations. In this short film, she explains how every product begins — from analysing real diets to identifying what the body truly needs and selecting ingredients with proven impact.