| Outside influences like strong sun exposure, cold, influence of air conditioning etc. can cause reactions on sensitive skin. Irritations like slight itching and reddening may appear. The skin loses density during the ageing process. The epidermis thickness decreases and small injuries or fissures appear more easily. Skin irritation reactions are caused by naturally occurring inflammation mediators. They induce a reaction cascade visible as the usual signs of reddening. Special cosmetic actives can reduce or even inhibit the distribution of irritation mediators, thus reduce reddening.
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