The ingredient, explained

Phytosphingosine

Phytosphingosine has direct laboratory and human acne-related research.

EmollientHair conditioningSkin conditioning

Ingredient guide

What it is and what it does

Phytosphingosine is a sphingoid base, a type of amino alcohol. It is a distinct ingredient from a ceramide. The registry lists skin- and hair-conditioning roles.

About this ingredient: CosIng identity and functions via Open Beauty Facts ↗ · European Commission ingredient function definitions ↗ · PubChem: Phytosphingosine ↗

Emollient: Helps soften and smooth the skin surface.
Hair conditioning: Improves cosmetic hair properties such as softness, shine or combability.
Skin conditioning: A broad cosmetic role for maintaining skin condition. It does not identify a particular clinical benefit.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Laboratory and human research

The abstract reports antimicrobial and anti-inflammatory activity and clinical acne-related findings.

What this does not tell us

The abstract omits sample size, dose, duration and comparator details, so the strength and size of the human effect cannot be independently quantified here.

Sources for this summary. PubMed 18489348 ↗

Research review checked Oct 1, 2026

Bounded review of supplied local candidates (15 candidate records), selective exact-name title/abstract screening, and targeted indexed primary-source searches. Not a systematic review or a claim of exhaustive coverage.