Lab Notes

Skin science explained simply.

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11 articles on skin science, ingredients, and honest skincare advice

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Dehydration & Barrier

Why Products Sting When Your Barrier Is Damaged

When your skin barrier is damaged, even gentle products can sting. Learn why low ceramides make your skin reactive and what actually helps.

1 min
Dehydration & Barrier

What Are Ceramides and Why Does Your Skin Need Them?

Ceramides make up 50% of your skin's moisture barrier. Learn why these lipids are essential for preventing dehydration and protecting sensitive skin.

1 min
Dehydration & Barrier

Temperature and Your Skin Barrier

Your skin barrier structure changes with temperature. Learn why winter skin feels different and what that means for barrier health.

1 min
Dehydration & Barrier

Stratum Corneum: Your Moisture Lock

The stratum corneum is where ceramides do their barrier work. Understand why your outermost "dead" skin layer is actually your best defense.

1 min
Dehydration & Barrier

How Your Skin Makes Ceramides

Your skin produces ceramides through a complex biosynthesis pathway. Understand how this natural barrier-building process works.

1 min
Dehydration & Barrier

Not All Ceramides Are Created Equal

Not all ceramides perform the same function. Research identifies three critical types (EOS, NP, EOH) essential for barrier integrity.

1 min

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