Ingredient guide
Arachidoyl Sphinganine (Ceramide NS C20)
INCI name · 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.
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.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
Where it sits
It lives in the moisturiser step, sealing in the lighter layers below.
- Cleanse
- Tone
- Serum
- Arachidoyl Sphinganine
- SPF
Also found as
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Check an ingredient listCommon questions
What does Arachidoyl Sphinganine do for skin?
It contributes to lamellar thickness and helps reinforce the skin’s underlying lipid structure for better moisture balance.
Who is it best for?
It works well for dry or sensitive skin that benefits from a complete mix of NP and NS ceramides.
How is this ingredient used?
It is incorporated into multi‑ceramide systems designed to reflect the skin’s natural ceramide families.
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Personal guidance, not medical advice.