Skin barrier repair agents are particularly beneficial for older adults and people who want to give their skin a nice, well-toned, healthy look.
The layer of dead skin cells with binding lipids forms the skin’s natural barrier, preventing moisture loss from underlying tissues. The skin barrier also protects the body from harmful pollutants entering the body.
Exposure to the sun, dry or humid environments, weather, allergens, pollutants, irritants, harsh soaps, chemicals, over-exfoliating, over-washing, poor diet, lack of sleep, mental or physical stress, aging, medical conditions, and genetic factors can damage the skin barrier.
Skin barrier repair agents include niacinamide, lanolin, glycerin, plant oils such as jojoba, coconut, almond, argan, corn, borage, safflower, and rosehip oil, and moisturizers containing fatty acids, cholesterol, panthenol, allantoin, oat beta-glucan, hyaluronic acid, ethyl linoleate, chia seed oil, and phospholipids. These compounds help restore and strengthen the skin’s natural barrier, improving hydration and preventing moisture loss.
Most cosmetic products contain skin barrier repair agents. Before buying a cosmetic product, you should check the ingredients. The skin barrier has four layers: physical, chemical, microbiologic, and immunologic. The outermost layer of dead skin cells forms a tight barrier that isolates internal tissues from the external environment. The lipids and acids secreted by the epidermis and the microflora help maintain skin moisture and pH. These properties inhibit bacterial pathogens.
The skin microbiome comprises bacteria, fungi, and viruses that interact with the host to maintain the skin barrier. The immune cells act as watchdogs, protecting the body against pathogens. This skin ecosystem is, for the most part, harmless. Factors that determine the skin microbiota include the density of hair follicles and glands, age, and sex, as well as environmental factors. The skin microbiome constituents vary between individuals and different sites on the skin. Genetic and environmental influences play a major role in defining an individual’s skin microbiome. The immune response of the skin microbiome is varied and complex. (Grace, E, A. et al., 2011; Schommer, N. N. et al., 2013; Kong, H H. (2011)
Given the complexity and variability of the skin microbiome, it is best to test a product for its suitability and appropriateness for the individual before use. This will enable the individual to choose a moisturizer, exfoliant, cleanser, sunscreen, and even fragrance.
These ingredients are combined in different formulations to create skincare products that cleanse, treat, hydrate, protect, and rejuvenate the skin. Depending on individual skin concerns, products may contain a mix of ingredients from multiple categories.
Herbal and plant-based ingredients are highly popular in skincare due to their natural origin and wide range of skin benefits. Many of these ingredients have been used for centuries in traditional medicine and have gained significant attention in modern skincare formulations for their healing, soothing, and nourishing properties.
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