What are peptides and how do they have an affect on our skin?

Peptides, most normally uncovered in skincare, are a excellent example of an ingredient that you should really know about when scanning the elegance aisles at your regional drugstore. 

Generally uncovered in cleansers and creams, peptides are a well-known ingredient for most items in your skincare schedule, particularly individuals focusing on dry and sensitive skin.

What are peptides?