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Skin protection - barrier creams
Stratum corneum - from corneobiochemistry to corneotherapy
The epidermis is a dynamic system of continuous proliferation and differentiation. It mainly consists of keratinocytes, melanocytes and immune-competent cells. The stratum corneum, the uppermost layer of the epidermis is of major significance for the barrier function of the skin. The barrier is formed of keratinized skin cells (corneocytes) which are embedded into a matrix of multiple lamellar lipid layers.
Fats and oils in cosmetics - Mother Nature versus petrochemicals? (long version)
Fats and oils are important ingredients of skin care. The properties of hydrocarbons and silicones are compared with vegetable and synthetic triglycerides. The influences on skin recovery and long term effects are described. The present literature is reviewed from the physiological point of view.
Oils and fats in cosmetic products - Mother Nature contra petrochemical industry?
A subject that has launched controversial discussions over and over again is the use of mineral oil based hydrocarbons in cosmetic products. Above all in the cold season it gains importance as the skin is sensitive to cold and dry air and should therefore be protected with re-fattening substances. Where is the difference between oils and waxes of petrochemical origin and natural fats and oils?
Membrane-containing barrier creams - protecting the skin with skin-related substances
Skin care products should primarily support the protective function of the stratum corneum and, if needed, also assist in the recovery process. Accordingly these products should be called barrier creams; however this technical term rather is used in combination with skin protective products. The following report deals with today's barrier creams and their benefits for the modern skin care.
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