Visit any pharmacy and you will find a dizzying selection of skin moisturizing products.
However, according to Dr. Peter Elias's 45 years of research on the subject, which began with complaints from his patients, humidifiers and other products can do just as much damage, how much and benefits, especially for people with sensitive skin.
At estet-portal.com read like UC San Francisco researchers explain why some lotions do more harm than good, especially for people with sensitive skin.
- Why sometimes moisturizing the skin can be harmful
- Skin reaction to moisturizers
- Which products can be used for sensitive skinand
Why sometimes moisturizing the skin can be harmful
Many of Dr. Elias' patients have noticed that even with some of the more expensive products, they only see results within the first hour, and then their skin becomes drier than ever.
Skin, which is attacked daily by sunlight and toxins, is a very effective and durable barrier that can be compared to a brick wall.
In a skin model that a doctor developed in the 1980s, corneocytes are "bricks" surrounded and held together by membrane sheaths made from a "solution" of of three lipids:
- cholesterol;
- ceramides;
- fatty acids.
Normal, these three lipids are present in approximately equal proportions.
When this ratio changes, the membranes do not completely fill the space between the cells.
Then, instead of a brick wall, the skin becomes like "leaky" swisscheese.
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Skin reaction to moisturizers
The most common moisturizers are designed to create a layer that prevents skin from drying out which is good for normal skin.
However, these products may not contain the right ingredients or contain them in the wrong proportions, which will lead to a change in the natural acidity of the skin.
This can be especially harmful for atopic dermatitis, eczema, or rosacea.
When the membranes do not completely fill the space between the cells, the skin becomes especially sensitive. In addition, the body perceives these changes as trauma, and in response produces cytokines that trigger an inflammatory response.
As a result, the person again resorts to the use of lotion, which again changes the acidity of the skin and further worsens the condition of the skinskin.
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What products can be used for sensitive skin
It has been found that the vast majority of moisturizers have not been tested on people with sensitive skin.
And applying a moisturizing lotion that does not provide the correct lipid ratio or lowers the pH can simply aggravate the situation and increase inflammation.
Using the wrong formula causes a vicious cycle where the patient uses the product for temporary relief, but the result is a long-term worsening of the skin condition.
Initial evidence has shown that a special lipid formula in the right proportions lowers blood levels of cytokines, reducing inflammation.
Therefore, people with sensitive skin should carefully select cosmetics that have a balanced pH and are intended for sensitive and atopic skin.
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