Ceramides are molecules in the outermost layer of the skin, or stratum corneum, that create bonds between skin cells. A strong lipid layer works to create a barrier between the environment and the body, and ceramides help hold the skin cells together to keep the barrier intact.

The benefits of ceramides include improved hydration by strengthening the skin’s lipid barrier. Improved hydration reduces wrinkles, fine lines, and skin irritation.

Ceramides are safe to use in formulas twice daily to strengthen the skin’s protective lipid layer. You can find ceramides in SkinCeuticals formulas such as Triple Lipid Restore 2:4:2 and Replenishing Cleanser.

No, ceramides are not peptides. Ceramides are lipids that nourish the skin and strengthen its barrier. Peptides are short-chain amino acids that are involved in cell signaling, which is when cells send and receive messages from their environment and within themselves.

Yes, ceramides can help with scars left behind by blemishes. One of the benefits of ceramides is smoothing the skin through hydration. Applying formulas with ceramides will keep the skin looking healthy and reduce the appearance of scars.

Ceramides can be helpful as one ingredient used to treat rosacea by hydrating skin. Because numerous factors can cause rosacea flare-ups, formulas containing ceramides might not be effective in all cases.

There can be an adjustment period for the skin when beginning to use ceramides. However, this ingredient does not tend to be as irritating as other ingredients. If a formula containing ceramides continues to cause skin irritation after use, consult a physician.