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Beef Tallow Skincare: A Doctor Renders Down the Hype
TikTok would like you to smear rendered beef fat on your face — for glowing, "ancestral," chemical-free skin. As ever, the truth is more boring and more useful than either the evangelists or the eye-rollers will tell you. So let me render it down: what tallow genuinely does, what it absolutely doesn't, and whether you should slather it on.
The Paraben Panic: How a Health Scare Made Your Skincare Less Safe
"Paraben-free" is one of the most successful marketing phrases in beauty history. It's also a cautionary tale. The campaign against a cheap, well-tested, genuinely safe preservative didn't make your skincare cleaner — it handed you more allergies and more contamination, and charged you extra for the privilege.
Here's how one flimsy study in 2004 rewrote the back of every bottle you own — and why fear is a terrible way to choose skincare.
"Cortisol Face" Is Not a Thing (Mostly): A Doctor Untangles the Latest Wellness Panic
Somewhere in the last year, a remarkable number of people woke up, looked in the mirror, and diagnosed themselves with "cortisol face."
You've seen the videos: a slightly puffy morning selfie, a dramatic arrow pointing at rounded cheeks, and a confident voice explaining that stress has flooded your body with cortisol and bloated your face — but don't worry, because a "cortisol detox," an "adrenal cocktail," or a tub of some hopeful powder will fix it in two weeks. It's compelling. It names a thing you've definitely felt (I don't love my face some mornings either), hands you a villain (stress, cortisol, modern life), and sells you a fix.
Perfect misinformation, really.
So let me do what I do. There is a real medical story under here — it's just not the one TikTok is selling you.
Mewing, Mouth-Taping and "Looksmaxxing": A Doctor's Guide to the Jawline Trend
There's a whole corner of the internet teaching teenage boys and young men to chase a chiselled jaw — some of it harmless, some of it genuinely dangerous, and quite a lot of it built on the advice of two dentists who've since been struck off.
Here's what actually works, what's nonsense, and the thing underneath it all that I think we need to talk about.
Most of my work — and most of this blog — has, historically, spoken to women. But there's a trend I can't really ignore any longer, because it's aimed squarely at boys, some of them very young, and because bits of it are landing people in trouble. It's called looksmaxxing, and if you have a teenage son, or you are a young man, or you've simply fallen down a certain kind of TikTok rabbit hole, you'll already know the vocabulary: mewing, mouth-taping, bonesmashing, "canthal tilt," "hunter eyes."
The easy move is to mock this latest trend, but mockery is exactly the wrong response. Let me explain what it all is, sort the sensible from the silly from the genuinely harmful — and then talk about the part that actually matters.
No, Your Sunscreen Isn't Poisoning You: Untangling the Great SPF Panic
A growing corner of the internet has decided that sunscreen — not the sun — is the real villain. As a doctor who spends a fair amount of her week looking at sun-damaged skin, I'd like to take that idea apart.
Here's what the actual science says about chemical filters, "hormone disruption," coral reefs, benzene and the rest — and the one thing the skeptics are genuinely, annoyingly, a little bit right about.
Unproven? Things About Botulinum Toxin That Even Doctors Get Wrong
There are a few often-quoted “facts” or assumptions around botulinum toxin that are actually currently unproven. But, even more surprising, these are potential misconceptions that persist even amongst fellow clinicians. I wanted to share some of the most fascinating with you!
This article is aimed at other cosmetic clinicians, but contains information that anyone who is interested in medical aesthetics might find enlightening!
The Top Five Rules for Filler Safety
Thinking of getting fillers? Not so fast! While this is a wonderful treatment in medical hands, there are many ways it could go wrong. Here, Dr Emmaline shares her Top Five Tips for Filler Safety.
Sunscreen Myths: These May Surprise You!
It is definitely SPF season - and in this article for the Aesthetics Edit we compile some of the biggest myths and misconceptions around sunscreen. Cosmetic doctors and dermatologists love to bang on about sunscreen, but you would be surprised to know how many things we (use healthcare professionals included) get wrong!
The bottom line is, of course, wear sunscreen and wear enough of it. But there are some myths that are so ingrained in public consciousness I felt like we just had to set the record straight once and for all.
The Problem with the “Wellness” Industry
Aesthetic medicine and concepts of wellness tend to go hand-in-hand, and that is something that I personally love. But more and more, it’s also something that I have seen as inherently dangerous as well - something that can breed pseudoscience, and where selling and marketing are prioritised over patient health.
This rhetoric that some of these companies have somehow discovered a secret that big pharma and greedy doctors don’t want you to know is is toxic and damaging. The issue is with this constant chipping away at professionals, at education, at research. Let me be clear - the messaging can be really dangerous and really unethical.

A growing corner of the internet has decided that sunscreen — not the sun — is the real villain. As a doctor who spends a fair amount of her week looking at sun-damaged skin, I'd like to take that idea apart.
Here's what the actual science says about chemical filters, "hormone disruption," coral reefs, benzene and the rest — and the one thing the skeptics are genuinely, annoyingly, a little bit right about.