What is sensitive skin
What is sensitive skin?
Many people talk about sensitive skin and self-identify that they have sensitive skin, and products are designed for sensitive skin, but what is sensitive skin? Sensitive skin is a skin that reacts to cosmetic products.
What are the signs of sensitive skin?
The most important symptom is irritant dermatitis. Dermatitis means inflammation,that people see as mild redness and itching. The skin may feel stinging, burning, tender or raw.There may be scaling and peeling as signs of In the second stage of dermatitis.
What are triggers of sensitive skin?
Moisturizers and sunscreens are reported as triggers the most often.
Physiology of sensitive skin
Epidermal barrier impairment is one of the causes for sensitive skin. A healthy epidermis forms a barrier against the loss of water a serves as permeation of harmful chemicals and microorganisms to go in. Sensitive skin has impaired barrier function. Perhaps the barrier is a little leaky, not necessarily damaged. Filaggrin- protein plays an important role in the barrier function of the skin, and when it is deficient the function is impaired. Fillagrin plays a significant role in skin hydration too. So sensitivity and hydration have the same roots.
Many scientists see sensitive skin as multifactorial process. They insist that the most common and probably the most important factor for sensitive skin is barrier impairment. There also could be some degree of immune dysregulation, so a chemicals on the skin that normally should not cause a reaction create an irritant response. The other issue may beneural threshold that create different sensitivity.
Advise for patients about caring for their sensitive skin
- The skin should be moisturized and strengthened with hyaluronic acid that is number one ingredient for hydration. Needle free mesotherapyelectroporation- is the treatment of the choice for that. Needle free mesotherapy does not damage skin comparing with needle using mesotherapy and delivers hyaluronic acid in the skin much deeper comparing with galvanic, ultrasound and magnetophoresis technologies.
- Good moisturizers should be applied to dry skin and, of course, to damp skin right after bathing to improve skin hydration and enhance the barrier. I generally recommend heavier moisturizers, such as ointments, rather than creams or lotions. Water-based products can be drying skin because they generally need more preservatives, which can be irritants or allergens.
- Harsh cleansers and soaps should be avoided, and synthetic detergents should be used sparingly when needed.
- Clients should be mindful of the pH level of products applied to the skin. Some cleansers marketed as being for sensitive skin have high pH levels; they are alkaline, which can disturb the acid mantle of the skin.
The outermost layer of the skin has an acid mantle. It means that products should have a pH between 4.5 and 5.5, which is significantly more acidic than the rest of the body. It is necessary because the acid mantle plays a significant role in barrier function. If the acid mantle becomes more alkaline due to the use of harsh cleansers or creams, the barrier is damaged very quickly.
The acid mantle can be preserved by using products that are at least pH neutral or a little bit acidic. That is why using alkaline soaps is prohibited.
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