Epidermis

The epidermis is the top layer of the skin, which plays a key role in cosmetology. As the outer barrier of the body, the epidermis is the first line of defence against the environment and reflects the overall health of the skin. In this article, we will discuss the importance of the epidermis in cosmetology, its structure and its role in skin care.

Structure of the epidermis

The epidermis is composed of several layers of cells, each of which performs a specific function:

1. Corneal layer (stratum corneum).

This top layer consists of dead cells that peel off daily. The stratum corneum acts as a barrier, preventing moisture loss and protecting the skin from external influences.

2. Granular layer (stratum granulosum)

In this layer, the process of keratinisation begins, when cells start to produce keratin, a protein that gives the skin its strength.

3. Fibrous layer (stratum spinosum)

This layer contains cells connected by special proteins that give the skin elasticity.

4. Pine layer (stratum basale)

This layer contains melanocytes that produce the pigment melanin, which is responsible for the colour of the skin. The pineal layer also contains cells that are constantly dividing and ensuring the renewal of the epidermis.

The role of the epidermis in cosmetology

The epidermis plays an important role in skin care and cosmetology in general:

1. Protection

The epidermis serves as a protective barrier that prevents the penetration of harmful microorganisms and UV radiation.

2. Hydration

The cornified layer of the epidermis retains moisture in the skin, preventing it from drying out and peeling.

3. Renewal

The stratum corneum is constantly renewed, keeping the skin young and healthy. This process can slow down with age, and cosmetic treatments such as peels can stimulate cell renewal.

Skin care

Caring for the epidermis involves several important steps:

1. Skin cleansing

Regular cleansing helps to remove impurities and make-up and keeps the skin clean.

2. Hydration

The use of moisturizers helps to maintain moisture in the stratum corneum of the epidermis.

3. UV protection

The use of sunscreens protects the epidermis from the negative effects of UV radiation.

4. Exfoliation

Exfoliation treatments help to remove keratinized cells and stimulate epidermal renewal.

Conclusion
The epidermis plays an important role in skin care and cosmetology. Understanding its structure and function helps to keep the skin healthy and beautiful. Regular and proper care of the epidermis helps to prevent various skin problems and keep the skin young and well maintained.