Phytosphingosine is a naturally occurring sphingolipid that helps maintain the skin barrier and also exhibits antimicrobial and anti-inflammatory properties. It is commonly incorporated into moisturizers and barrier-repair formulations to support ceramide synthesis and skin integrity.
| Reported effect | How often | Notes |
|---|---|---|
Mild transient stinging or tingling | Rare | Usually short-lived and associated with application on compromised or sensitive skin. |
Localized erythema or irritation | Rare | Generally well tolerated; irritation is uncommon at typical low concentrations. |
Allergic contact dermatitis | Very rare | Sensitization to phytosphingosine itself is seldom reported in the literature. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.