Ceramides

Phytosphingosine

Reviewed by Kate · Last updated 14 Aug 2026

Also known as: 4-Hydroxysphinganine, Sphingolipid

The barrier precursor

Best For Skin Types

All skin types

Addresses

Barrier repair, Acne

Effective Concentrations

0.1-0.5%

Usage Frequency

As directed on product packaging

What Is Phytosphingosine?

Phytosphingosine is a lipid molecule that occurs naturally in the skin and is a key component of the skin barrier. It serves as a precursor to ceramides, the essential lipids that maintain barrier integrity and prevent moisture loss.

By supplementing the skin with phytosphingosine, you support the production of ceramides and help repair a compromised skin barrier. This makes it particularly beneficial for dry, sensitive, or damaged skin.

Phytosphingosine also has antimicrobial and anti-inflammatory properties, helping to calm acne, redness, and irritation. Research has shown it can inhibit the growth of acne-causing bacteria and reduce inflammatory responses.

This ingredient works well in moisturizers and barrier-repair products, often combined with other barrier-supporting ingredients like ceramides, cholesterol, and fatty acids for optimal results.

Phytosphingosine is a lipid naturally present in the skin that plays a crucial role in barrier function and has antimicrobial properties. It helps strengthen the skin barrier whilst providing soothing benefits, making it beneficial for compromised or sensitive skin.

Clinical Evidence & References

Phytosphingosine is a naturally occurring sphingoid base that functions as a precursor to ceramides, essential lipids required for skin barrier integrity. A substantial body of research supports its role in barrier repair and moisture retention, particularly in compromised or sensitised skin. The ingredient has demonstrated antimicrobial and anti-inflammatory activity in multiple studies, with evidence suggesting it can reduce acne-associated bacterial growth and attenuate inflammatory responses in skin tissue.

Clinical efficacy is most consistent when phytosphingosine is used in formulations designed for barrier support, often combined with complementary lipids. Response timelines vary among individuals, and benefits typically emerge over weeks of consistent use rather than acutely. While the cumulative evidence base is robust, individual tolerability remains variable, and optimal concentrations for different skin conditions require further standardisation across published studies.

How to Use

Apply morning and night.

Safety & Precautions

Very rare

Frequently Asked Questions

From the Clinic

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