Which layer of the skin is the topmost layer?

The stratum corneum is indeed the topmost layer of the skin. This layer is crucial as it serves as the primary barrier protecting against environmental hazards, such as pathogens, chemicals, and physical abrasions. It consists of dead skin cells that are continuously shed and replaced, helping to maintain the skin's health and integrity. The cells in this layer are keratinized, meaning they have been infused with keratin, a resilient protein that enhances the skin's protective properties.

Understanding the structure of the skin is essential for anyone in the field of electrology, as the methods and techniques used in hair removal can affect different layers of the skin. Knowledge of the stratum corneum's role helps electrologists ensure they approach treatments safely and effectively, avoiding damage to the underlying layers of skin, such as the dermis and hypodermis.