CAS No	100403-19-8
MF	C11H14O3
Purity	1%,5%,10%,30%
Keyword	ceramide np
Product appearance	White Powder
Storage	Dry place
Shelf Life	12 Months

What Are Ceramides?

Ceramides are fats or lipids that are found in skin cells. They make up 30% to 40% of your outer skin layer, or epidermis.

Ceramides are important for retaining your skin’s moisture and preventing the entry of germs into your body. If your skin's ceramide content decreases (which often happens with age), it can become dehydrated. You may develop skin problems like dryness and irritation.

Ceramides play a role in your skin’s barrier function, which serves as your body’s first line of defense to external pollution and toxins. They also promote brain development and maintain cell function.

They're often present in skin care products like ceramide moisturizers, creams, serums, and toners — all of which can help keep your skin healthy by improving its ceramide levels.

Types of Ceramides

There are natural and synthetic ceramides. Natural ceramides are found in the outer layers of your skin, as well as in animals like cows and plants like soy.

Synthetic ceramides (also known as pseudoceramides) are man-made. Because they're free from contaminants and more stable than natural ceramides, synthetic ceramides are more commonly used in skin care products.

Ceramides are made up of a substance called sphingosine. Sphingosine is a chain of carbon atoms with an amino acid attached to it. It has different forms that bind to other fatty acids to form ceramides.
Based on the form of sphingosine and the fatty acid that binds it, there are 12 types of ceramides, named ceramide 1 to 12. You’re likely to see the following ceramides listed on labels of your skin care products:

Ceramide 1, also called ceramide EOS
Ceramide 2, also called ceramide NS or NG
Ceramide 3, also called ceramide NP
Ceramide 6-II, also called ceramide AP
Ceramide 9, also called ceramide EOP
Phytosphingosine
Sphingosine

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