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Ingredient guide
Arachidoyl Sphinganine
In short
A C20 ceramide with a sphinganine base that supports deeper‑layer lipid structure. It complements other ceramides to help skin feel more cushioned and hydrated.
Reviewed against published evidence · editorially independent · no brand pays for placement
Works for
Barrier · Hydration
Skin type
Dry · Sensitive
Best used
Anytime
What it is
C20:0 ceramide NS-type with dihydrosphingosine (sphinganine) backbone; complements ceramide NP pool in the stratum corneum; longer-chain sphinganine ceramides support lamellar bilayer thickness and contribute to deep barrier protection; the NS subtype differs from NP in lacking the 4-OH group on the sphingoid base, affecting headgroup hydrogen bonding geometry.
Also found as
Related
Common questions
It contributes to lamellar thickness and helps reinforce the skin’s underlying lipid structure for better moisture balance.
It works well for dry or sensitive skin that benefits from a complete mix of NP and NS ceramides.
It is incorporated into multi‑ceramide systems designed to reflect the skin’s natural ceramide families.
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Personal guidance only · For clinical concerns, see a dermatologist.