You've heard of skincare ingredients like ceramides and lactic acid, but what do they actually do? We sat with dermatologist Dr. Deshan Sebaratnam to explore the science of common skincare ingredients and how they help your skin.
Ceramides are naturally occurring lipids and make up roughly half of the stratum corneum's lipid bi-layer. They play a significant role in the skin's barrier function, helping to maintain water balance as well as protecting your epidermis from environmental irritants and allergens.