Blog
Research and updates, in plain language
New studies, guide updates, and product developments, most recent first. For the full evidence-graded library organized by topic, see Learn.
The Gut-Skin Axis and Seborrheic Dermatitis: What's Emerging, What Isn't
Gut health is a popular explanation for skin problems online. Here's what's actually been studied for seborrheic dermatitis specifically, and where the evidence runs out.
7 min read
How Inflammation Develops in Seborrheic Dermatitis
The visible redness and irritation of seborrheic dermatitis is the end product of an immune response — here's what triggers it and how it plays out.
7 min read
Why Immune Status Affects Seborrheic Dermatitis Risk and Severity
Seborrheic dermatitis is markedly more common and more severe in people with certain immune and neurological conditions — what that tells researchers about how it works.
7 min read
Clinical Trials for Seborrheic Dermatitis: How to Find and Read Them
Seborrheic dermatitis has fewer dedicated clinical trials than higher-profile skin conditions. Here's how trials are structured, and how to find ones that are actually recruiting.
6 min read
Sleep and Seborrheic Dermatitis: What the Research on Sleep and Inflammation Suggests
Poor sleep and inflammatory skin conditions are linked in general immune research. Here's what that means — and doesn't mean — for seborrheic dermatitis specifically.
6 min read
Seborrheic Dermatitis and Hair Loss: What's Actually Happening
Scalp seborrheic dermatitis can come with noticeable shedding. Here's what's driving it, when it's reversible, and when it's worth seeing a dermatologist.
7 min read
How Seborrheic Dermatitis Is Diagnosed — and Told Apart From Psoriasis, Eczema, and Tinea
Seborrheic dermatitis is usually diagnosed by appearance alone. Here's what a dermatology visit typically involves, and how it's distinguished from conditions that can look similar.
7 min read
Seborrheic Dermatitis Treatments: A Complete, Evidence-Graded Guide
First-line, second-line, and maintenance options for scalp and facial seborrheic dermatitis — what each does and how they're typically used.
9 min read
What Causes Seborrheic Dermatitis? Current Scientific Understanding
Seborrheic dermatitis doesn't have one single cause — here's the multifactorial picture researchers currently work from, and the risk factors that raise the odds of a flare.
8 min read
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Why Your Skin Talks for You in Sebderm
The science behind the brain-skin axis reveals that stress isn't just in your head—it's written all over your face. Here is how to decode the message and break the flare-up cycle.
6 min read
Diet and Seborrheic Dermatitis: Separating Evidence from Speculation
A cautious look at what nutrition research does and does not currently support for seborrheic dermatitis.
6 min read
One Reader's Account: 12 Years With Seborrheic Dermatitis, and What They Found Helped
A first-person account shared with our editorial team. This is one person's personal experience, not medical guidance, a validated protocol, or a claim that applies to everyone.
6 min read
Sleep, Diet, and Movement: The Environment Your Nervous System Recovers In
Well-established general health science, applied cautiously to a condition where direct evidence is still emerging.
7 min read
The Brain–Skin Axis: What the Research Says About Stress and Flares
Skin and the nervous system stay in constant contact throughout life. Here's what human studies actually show about that connection — and where the evidence runs out.
9 min read
Therapy, Supplements, and Self-Help Books: An Honest Account
Where the evidence is strongest, where it's weakest, and where your money and time are best spent — without inflated claims.
8 min read
Body-Focused Repetitive Behaviors, Jaw Tension, and Skin Flares
Nail biting, skin picking, and jaw clenching are recognized clinical behaviors with a plausible — but not fully proven — link to facial skin inflammation.
7 min read
Breathing Techniques and the Nervous System: What's Established, What's Promising
Nasal breathing and nostril-specific techniques have real, measured effects on the autonomic nervous system. Here's what's well-supported and what's still speculative for skin specifically.
8 min read
Why Single-Cause Explanations of Seborrheic Dermatitis Keep Falling Short
Decades of research point to several interacting factors rather than one culprit — which is actually useful to know if a past treatment let you down.
6 min read
Tracking Your Own Stress Triggers — and What Meditation Research Shows
A practical framework for identifying personal triggers, plus what controlled studies actually show about meditation and inflammatory skin conditions.
7 min read
The Skin Barrier's Role in Flare-Ups
How the outermost layer of skin protects against irritation, and what happens when that barrier is compromised.
6 min read
Malassezia Yeast and Seborrheic Dermatitis: What the Research Shows
The yeast genus most closely linked to seborrheic dermatitis, and how it's thought to contribute to flares.
7 min read
Understanding Seborrheic Dermatitis: Symptoms, Causes, and What We Know
A plain-language overview of what seborrheic dermatitis is, who it affects, and how researchers currently explain it.
8 min read