Ceramides vs Collagen - What's the difference?

ceramides | collagen |

As nouns the difference between ceramides and collagen

is that ceramides is plural of ceramide while collagen is any of more than 28 types of glycoprotein that forms elongated fibers, usually found in the extracellular matrix of connective tissue.

Niacinamide vs Ceramides - What's the difference?

niacinamide | ceramides |

As nouns the difference between niacinamide and ceramides

is that niacinamide is the amide of niacin while ceramides is plural of ceramide.