In the case of sensitive skin, skin dry or the change of seasons, moisturizer is important factor. In recent years, interest is focused on restoring barrier function which is the most important function of the skin, rather that simply replenshing moisture.
Stratum corneum is consisits of keratin, fat, water. It is different thickness of the stratum corneum depending on the state the moisture content. If reduced of moisture the thickening of the keratin skin texture is rough and speeds ip skin aging.
Therefore, the moisturizer function of stratum corneum in the dry season is significantly affect the health. Cell membranes of keratinocytes contain about 50% ceramide.
So, most moisturizer included ceramide ingredient.
Ceramide?
Ceramide is a structure in which fatty acids are linked to sphingosine or phytosphingosine. It is maintain the role of ordered structure of lipid barrier and stratum corneum, it acts as an antibacterial barrier against external harmful microorganisms, and plays an important role in the regeneration of wound and control the inflammation.Therefore, if decrease of ceramide content increases water evaporation and can be occur aged dry and itchy skin and causing skin elasticity reduce and wrinkles.
Sphingolipid?
Sphingolipid which is widely being used as main moisturizing raw material in the cosmetics industry's, it has more than 300 kinds derivative including ceramide that a fatty linked form. It is a key role of the control growth, multiplication, differentiation of cells.
Phytospingosine?
It has excellent antibacterial ability against various skin harmful microorganisms, and it has a strong antibacterial activity than antibiotics commonly used for staphylococci and acne bacteria that are commonly found in atopic dermatitis and has no risk of resistance.In particular, the suppress of protein kinase C which is to privent being spread inflammation. It promotes the synthesis of collagen in the dermis, and helping to creat new skin cell and healing wound.
Other
Glucose ceramide
It is the ingredient used in the emulsion to restore and enhance barrier function through control to the balance between the skin's moisture control, and the ability, combined cell barriers.
Glycolipid
Used as an emulsifier moisturizers, and an important role in cell movement from the woune in healing process.Glucose sphingolipid?
It replenishes the lipid from the skin lost, and restoring skin barrier function and moisture deficiency ability. When used in after shave production, it calms wound after shaving. It is mainly used in face creams.
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