The skin is the largest and outermost organ of the human body, playing a crucial role as a protective barrier against external aggressors such as microbes, chemicals and UV rays. It regulates body temperature, ensures sensory perception and participates in the synthesis of vitamin D. The skin is made up of three main layers: the epidermis (the outer layer), the dermis (rich in collagen fibers and elastin) and the hypodermis (layer of fatty tissue). Each layer has specific functions, including protection, feel and thermal regulation. Skin health is affected by various factors, such as genetics, environment, diet and personal care. Common skin problems include acne, eczema, psoriasis and aging skin. Regular cleansing, adequate hydration and sun protection are essential to maintaining the health and appearance of the skin. The skin often reflects the overall health of the body and can be an indicator of various medical conditions.
The three main layers of the skin are the epidermis, dermis and hypodermis. The epidermis is the outer layer of the skin, visible to the naked eye. It serves as the main barrier against the external environment and is responsible for skin regeneration. The dermis, located under the epidermis, contains collagen and elastin fibers, hair follicles, sweat and sebaceous glands. This layer is essential for the strength and elasticity of the skin. The hypodermis, or subcutaneous tissue, is the deepest layer. Composed mainly of adipose tissue, it acts as a thermal insulator and shock absorber, while storing energy.
The skin has five main roles:
The four main layers of the epidermis are:
The four main skin types are:
The skin itself is considered an organ, in fact the largest organ in the human body. It is made up of several layers of tissue and contains many components such as hair follicles, sweat and sebaceous glands, sensory receptors and blood vessels. As an organ, the skin performs several vital functions, including protection, temperature regulation, sensation, vitamin D synthesis, and plays a role in the immune system.
The hypodermis, also known as subcutaneous tissue, is the deepest layer of the skin. It is mainly composed of adipose tissue and collagen fibers. This layer plays a crucial role in thermal insulation of the body, shock absorption and energy storage. The hypodermis is also important for anchoring the skin to underlying structures, such as muscles and bones. The amount and distribution of adipose tissue in the hypodermis varies considerably from person to person and is influenced by factors such as sex, age and nutritional status.
The skin renews itself through a process called desquamation, where new skin cells are continually produced in the basal layer of the epidermis. These cells migrate to the surface of the skin, replacing older cells that die and shed. This skin renewal cycle lasts approximately 28 days, although this rate can slow down with age. Factors such as diet, hydration, skin care and general health can influence the speed and effectiveness of this process. Regular exfoliation can help remove dead cells from the skin’s surface, promoting healthier, more radiant skin.
Eczema refers to a group of inflammatory skin conditions that cause redness, itching and sometimes lesions. The most common type, called atopic dermatitis, is not contagious. Although its precise causes remain poorly understood, specialists agree that it involves a complex interaction between a genetic predisposition and environmental factors. This over-reaction of the immune system leads … Read more
Glycation is a natural process in which sugars bind to proteins or lipids without the action of enzymes. This phenomenon contributes to skin ageing and various chronic diseases. Recently,rosmarinic acid, a phenolic compound found in a number of culinary herbs such as rosemary and basil, has attracted attention for its anti-ageing and deglycating properties. What … Read more
Have you ever woken up one morning, looked in the mirror and noticed unusual spots on your skin? Don’t panic! You could be dealing with a condition that’s more common than you think: Pityriasis versicolor. Although the name may sound like something out of an old potion book, this condition is actually a fungal infection … Read more
Floral waters have been around for thousands of years. They have been highly prized ever since distillation first appeared. In fact, the very purpose of distillation in the 13th century was to create hydrolats, not essential oils. The trend has reversed over the years, with essential oils being more concentrated, but hydrolats remain a key … Read more
The world of beauty is constantly evolving, and new trends emerge regularly. One of the latest trends in skincare is skin cycling, a technique that involves alternating different skincare products on a schedule. This technique promises many benefits for the skin, including a healthier, more radiant and youthful appearance. In this article, we’ll take a … Read more
Who doesn’t dream of having perfect skin? Everyone would like to have the same skin as a baby. However, as we grow up, our skin changes in the face of countless external aggressions, be it the sun, dust, and many others.. The most important is the face, it is without doubt our favourite and most … Read more
Thermal spring water, taken directly from underground springs, offers a host of benefits for the skin thanks to its rich mineral and trace element content. Unprocessed, it helps relieve skin irritations, facilitates make-up removal and perfects hairstyles as a natural skin care product. When used as a mist, it not only soothes depilated skin, but … Read more
Pollution, dust, cold and sunlight… The skin, the human body’s first barrier, is exposed to numerous external aggressions on a daily basis. Fighting against them is not easy. So the skin needs special care to stay healthy. In this sense, practical gestures are to be adopted. And taking certain food supplements is one of them. … Read more
Hair removal is a subject that concerns more and more women these days. While some opt to keep hair on their bodies, others want smooth, perfectly waxed legs so they can make the most of sunny days and light summer outfits. However, hair removal can be a tedious process, requiring meticulous preparation to avoid irritation … Read more
Burns, cuts, splinters, scratches… Everyday injuries can happen at any time. Whether they’re big or small, they can happen to anyone. But when the injury does occur, it’s never easy to relieve it without an unpleasant tingling sensation. But it’s an inevitable step, and we all know about it. Find out about the products, gestures … Read more
Serums are cosmetic products concentrated in active ingredients such as: Hyaluronic acid or vitamin C. As a result, some can help reduce the signs of ageing, pigmentation spots and dehydration. In fact, many of these anti-ageing serums are available from our online organic pharmacy Soin & Nature. What’s more, some are vegan, allergy-tested or suitable … Read more
Athlete’s foot is a skin condition caused by parasites such as microscopic fungi. Fungal in origin and highly contagious, it causes itching and redness, followed by peeling of the skin. If left untreated, athlete’s foot leads to deformation of the big toe joint and the nails. Summer is a season when feet are often exposed … Read more
We call “burns” all injuries caused by heat. There are three degrees of damage. The severity of burns is a function not only of the degree, but also of the area of the lesions. Homeopathy acts effectively against localized burns, reducing pain and hastening healing. Extensive burns are obviously in the hospital domain, but they can benefit from the … Read more
After a long day of stress, there’s nothing like a good Oriental shower with Aleppo soap from the Tadé brand . Enchanted by the art of oriental bathing, the Tadé brand makes you relive the pleasure of the queens of yesteryear thanks to its products which have been able to combine the perfumes of the Orient with the know-how of its … Read more
Organicmake-up and cosmetics are continuing to develop and are taking up more and more space on the shelves of online shops, beauty salons, perfumeries and even supermarkets. However, it’s important to take a few precautions when it comes to using them, bearing in mind that not all products, whether for simple beautification or skincare, are … Read more
Unlike the March violet, the therapeutic career of wild pansy began late. There was no trace of it in Antiquity, and it played only a few symbolic and ornamental roles in the Middle Ages. The first interest in wild pansy dates back to the sixteenth century, when the word “pansy” first appeared. Although most Renaissance … Read more
When the little accidents of everyday life cause minor wounds, it’s perfectly possible to treat them at home. Scratches, scrapes and cuts always hurt! The usual reflex is to immediately apply a plaster. Which isn’t really a bad thing, given that a plaster is essential to heal and protect the wound. Why put on a … Read more
It’s a fact. Consumers are more and more demanding about the quality of the products they buy. For example, more and more of us are adopting organic products to take care of our body , and more particularly our skin. Likewise, manufacturers are also committing to formulas based on natural ingredients, more respectful of the body… and of the environment ! The soaps surgras are part … Read more
What is the conduct to take in case of a burn? And how do you treat her? Let’s start with the role of the skin In order to prevent a burn from getting infected automatically, the skin plays an indispensable role in ensuring this function. It acts as a barrier, both mechanical, chemical and bacterial. … Read more
Micellar water has become a must-have for removing make-up and cleansing the face. Thanks to its gentle, effective formula, it attracts impurities and excess sebum like a magnet. But how exactly does it work? What are its benefits? Does it need rinsing after use? And above all, how do you choose the right micellar water … Read more