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The Octaskin Journal

From science breakdowns to real-world routines, this is where clarity meets care. Learn more about the skin you’re in and how to support it with intention.

A woman with her eyes gently closed
Sep 21, 20265 min read
Seborrheic Dermatitis on the Eyelids: A Safe-Care Guide

Eyelid skin is thin and sits right next to the eye itself. Here is what is actually safe to do about flaking and irritation there, and when it is time to see an eye doctor instead.

A portrait of a woman with curly natural hair
Sep 19, 20267 min read
Seborrheic Dermatitis in Black Skin and Textured Hair

Seborrheic dermatitis can look and behave differently on darker skin and textured hair, and standard treatment advice does not always fit real hair care practices. Here is what dermatologists who s...

A hand pouring oil from a glass bottle
Sep 13, 20265 min read
The Malassezia-Safe Framework: What the Science Shows

Malassezia-safe is a genuinely useful way to think about ingredients for seborrheic dermatitis-prone skin. Here is where the term comes from, and what the most current research actually shows.

Close-up of a woman parting her hair to examine her scalp
Aug 30, 20269 min read
Seborrheic Dermatitis on the Scalp: Why Washing More Backfires

Scalp flaking isn't about dirt or dryness. It's your immune system reacting to fatty acids your own scalp yeast produces, and that changes what actually helps.

Close-up of a man's brow and nose area, where both seborrheic dermatitis and eczema commonly appear
Aug 15, 20267 min read
Seborrheic Dermatitis vs Eczema: How to Tell Them Apart

Flaky, red skin that will not clear up? Here is how to tell seborrheic dermatitis and eczema apart, and why the wrong moisturizer can make things worse.

Seborrheic dermatitis skincare
Jul 26, 20267 min read
Is Squalane Good and Safe for Seborrheic Dermatitis?

Is squalane safe for seborrheic dermatitis? Yes. It is a Malassezia-safe emollient that hydrates without feeding the yeast. See the science and how to use it.

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