The structure of the sebaceous gland can be imagined if you mentally press your finger on the skin and make a depression in it that reaches the dermis. Then the walls of the resulting pit will be lined with epidermis.
It is necessary to talk about it, since many cosmetic products and procedures are aimed at “stimulating blood circulation”, “toning and strengthening skin vessels”, etc.
The facial muscles, strictly speaking, are no longer considered skin. But since these muscles make a significant contribution to age-related changes in the skin and since cosmetics have recently appeared that affect them, we will consider them.
Formally, the stratum corneum is the uppermost part of the layer called the epidermis. But in cosmetology, it is usually considered separately, since it is the target of most cosmetic products.
There are several types of skin. Accordingly, each of them needs to be cared for differently. It can be very difficult to determine the skin type at first glance.
