Ceramide — Ingredients

Category: Ingredients

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A key component of the skin barrier that prevents moisture loss

What is Ceramide?

A key component of the skin barrier that prevents moisture loss

A lipid component of the stratum corneum; ceramide deficiency causes skin dryness and barrier damage.

Key properties & actions

Ceramide is a key lipid component of the epidermal stratum corneum, acting as the 'cement' that fills the spaces between corneocytes in the brick-and-mortar structure and contributing to the barrier function that prevents water from evaporating. When ceramide decreases with age, a dry environment, over-cleansing, or frequent exfoliation, skin tends to feel tight and rough and becomes more sensitive to outside irritants. The barrier structure is understood to be stable when ceramide forms an appropriate ratio with cholesterol and fatty acids.

How to manage

Applying a ceramide-containing moisturizer right after cleansing while the skin is still slightly damp to lock in water is a generally recommended method. Reducing strong cleansing and excessive exfoliation and choosing a formula that also contains cholesterol and fatty acids can help calm the barrier of dry, sensitive skin. It layers well and works nicely alongside other moisturizing steps.

Good to know alongside

If hyaluronic acid is a moisturizing source that draws water in, ceramide is a barrier ingredient that locks water in, and the two are often mentioned together. Balance with cholesterol and free fatty acids is a related concept in barrier care.

Everyday care tips

Don't delay after cleansing — apply a ceramide moisturizer right away to reduce water loss. Adding it to your moisturizing step during dry seasonal changes can help.

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Frequently Asked Questions (FAQ)

What is Ceramide?
A key component of the skin barrier that prevents moisture loss. A lipid component of the stratum corneum; ceramide deficiency causes skin dryness and barrier damage.

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Sources & References

Medical Disclaimer

SKINROUTE is not a medical device or healthcare provider. All content is general skincare information for reference only. If you have concerns about your skin, please consult a board-certified dermatologist.