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.
When it comes to skin care, the terms ‘ hydration ‘ and ‘ nutrition’ are often used. But there’s a big difference between the two. So how do you go about choosing the right skincare product for your skin? The answer is simple. It’s like your body. When you’re thirsty, you drink water to keep … Read more
Even after 8 hours of sleep, a dull complexion can betray you by giving the impression of lack of rest. Ravaged by time or pollution, a dull complexion is an increasingly frequent scourge. The skin generally reflects your state of health and a smooth and shiny complexion is a sign of a healthy lifestyle. To recover healthy glowing skin, the right gestures and reflexes are within … Read more
Spike lavender, whose botanical name is Lavandula latifolia spica, belongs to the Lamiaceae family. Its essential oil is obtained by distilling its flowers (flowering tops). Botanical description Spike lavender is a larger sub-shrub than fine lavender, reaching up to 75 cm in height. It is made up of straight, numerous branches, usually branched, bearing long, … Read more
That’s it, winter has set in, bringing its first frosts. To face the cold season, of course, there’s the thick duvet, the wood-burning stove, stuffed coats and marshmallow hot chocolate. Everyone has their own ways of keeping warm. But is that really enough? Because there’s one thing we tend to forget as soon as the … Read more
Immortelle, whose botanical name is Helichrysum italicum, belongs to the Asteraceae family. Its essential oil is obtained by distilling its aerial flowering parts. Immortelle is found in Corsica in the taxon“ssp italicum” for coastal, scrubland and scree plantations. The taxon“ssp serotinum“, which is more continental, is practically non-existent in Corsica. Helichrysum italicum subsp. italicum is … Read more
In order to provide the right care for your face, it is essential to determine your skin type . Indeed, in a society where discomfort takes an increasingly important place, having beautiful skin has become a daily concern. In drugstore, questions are recurring: Which day cream should I choose? Which facial cleanser should I favor? What is my skin type? Discover in … Read more
The blackheads ruin not only your skin but also your days. Also called “open comedones”, they most often appear in the T zone of the face which includes: the forehead, nose, and chin. Where do they come from ? How to get rid of it permanently and above all, which products to use? Let’s do a check in. Why is the T zone the most affected? The … Read more
Oats are to the north of Europe what barley is to the south, although they are not widely grown in the far north (Russia, Scandinavia). The first known uses of oats date back more than 4,500 years. It continued to be used during the Copper Age and then the Bronze Age, in the temperate regions … 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
Burdock, in addition to its medicinal implication in the daily life of men , has also been a plant linked to the spiritual domain. Already, 2000 years ago, Pliny indicated that it was one of the favorite plants of the Druids. Later, we will find it in the procession of solsticial plants and those that we throw (among others) into the … Read more
Exposure to the sun is a pleasant and beneficial experience, enabling the synthesis of vitamin D, but it can also present risks to the health of our skin. Understanding the impact of the sun on the skin barrier is fundamental to taking appropriate post-exposure skin care measures. Deterioration of the lipid barrier, loss of moisture, … Read more
For generations, the desire for perfect skin has spanned the ages, uniting great-grandmothers, grandmothers, mothers and daughters in a common quest. Finding the ideal moisturising product, combining effectiveness, ease of use, sensory pleasure and respect for the skin and the environment, is a constant preoccupation. But in the pursuit of healthy, radiant skin, we often … Read more
The skin cancers are the most common cancers. In particular, there are more than 100,000 new cases of skin cancer annually in France. The most common and least serious skin cancers are basal cell and squamous cell carcinomas . Basal cell carcinoma is four to five times more common than squamous cell carcinoma. These skin carcinomas more often affect people with white skin after the age of … Read more
With the arrival of warmer weather, the summer vibe is taking hold of our minds and hearts. The summer of 2024 promises to be a radiant one, inviting us to leave behind the long periods indoors to welcome the sun, sport a golden complexion and enjoy the natural glow of summer glow. On the horizon … Read more
The sun and all other sources of ultraviolet light can actually cause sunburn or make the skin redder. While prevention is better than cure, especially if the damage to the skin is permanent , there are, however, natural treatments available to encourage healing, prevent infection, and reduce pain. Making sure to use the best sun cream with a … 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
With temperatures constantly rising everywhere in France, we can say it, summer is coming! Who says summer says beach, sun, heat … but also heatwave, sunstroke, dehydrated, irritated, sweaty skin, dripping makeup … To avoid these small inconveniences there is however a simple gesture to adopt, the freshness mist! What is a cool mist ? … Read more
Goodbye gray mine, the beautiful star of the day is back for the greatest happiness of all! Can’t wait to bask in the sun, free up, free your legs, and don the most beautiful polka dot dress? We understand you very well! What could be more important than to feel beautiful in this summer season? … Read more
Self-tanners are an ideal solution for people who want to have a nice tanned complexion without fear of the harmful effects of UVA / UVB rays. There are different forms of self-tanner, as a food supplement, cream, foam, wipe… Discover with us which self-tanner to choose according to your skin tone to avoid the carrot … Read more