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SESH INGREDIENT FILE

Ceramide NS

INCI Ceramide NS

Functional ingredient Barrier lipid

What it is & what it does

Ceramide NS is a skin-barrier lipid that helps form the organised protective layers between cells in the outermost skin. In a suitable moisturizer, ceramides help support skin comfort and limit moisture loss.
The outermost skin barrier contains a carefully arranged mixture of ceramides, cholesterol and free fatty acids. Together, these lipids help keep water inside the skin and reduce exposure to external irritants. Ceramides are structural barrier components; they are not exfoliating acids or retinoids.

The name NS describes its chemistry: N means a non-hydroxy fatty-acid chain and S means a sphingosine base. It is a different ceramide class from NP, EOS and EOP, which is why a formula may use more than one type instead of treating all ceramides as interchangeable.

SESH Triple Dose includes Ceramide NS alongside other ceramides, cholesterol, humectants and emollients. This is a useful moisturizing and barrier-supporting design choice in a retinoid routine. However, seeing Ceramide NS on an ingredient list does not by itself establish a clinical barrier-repair result; concentration, lipid balance, formulation and individual tolerance all matter.

Usage & cautions

Ceramide NS is generally compatible with hydrating products and retinoid routines. However, a ceramide-containing serum may still irritate because of its other ingredients. If stinging, redness or dryness persists, simplify the routine and follow the product's usage directions; stop if you develop a significant reaction.
Information approach Consumer-friendly summaries are informed by established cosmetic ingredient references such as INCIDecoder and Paula’s Choice Ingredient Dictionary, while avoiding turning ingredient-level evidence into medical claims about the finished product.