There are two effects or cosmetic effects on skin that is the effect of positive and negative effects. Positive effects are expected to occur on the skin, which is clean, nourish and beautify the skin. Unintended negative effects because it will cause abnormalities in the skin, such as redness, itching, swelling or black stains.
There are four factors that may influence the effects of cosmetics on the skin, namely the human factor of the wearer, the wearer's natural environmental factors, cosmetics and the combined factors of the three.
(1) Human Factors
Differences in color and skin type can lead to differences in skin reactions to cosmetics. Cosmetics are made to race Caucasian skin, such as America and Europe, can cause adverse negative effects if used by another race, such as Asians, because the structure and different types of pigments melaninnya. This view of the beautiful than the white-skinned Caucasians who is that brown skin is healthy, beautiful and attractive. Whereas in the Asia / Indonesia brown-skinned, white skin that is beautiful. Negative effects of cosmetics can also occur when the skin if a person is sensitive or lack of knowledge will seseoang how to use the proper cosmetics.
(2) Environmental Factors
Each environment provides its own influence on the skin, so cosmetics for hot climates / the tropics, such as Indonesia, should be different with cosmetics for cold climates / subtropical. For example the U.S. and Europe that have four different seasons, namely summer, autumn, winter and spring so that the sun is very small and weak as it is located far from the equator. In fact, in Indonesia too, the thermal environment on the beach, the mountains are cold, or air-conditioned rooms which require different skin care cosmetics.
(3) Factor Cosmetics
Cosmetics, if made from materials of low quality or materials that are harmful to the skin, less processing is good or not formulated in accordance with the human user and the environment, can cause a negative reaction or skin damage.
(4) Combined the three factors above.
There are four factors that may influence the effects of cosmetics on the skin, namely the human factor of the wearer, the wearer's natural environmental factors, cosmetics and the combined factors of the three.
(1) Human Factors
Differences in color and skin type can lead to differences in skin reactions to cosmetics. Cosmetics are made to race Caucasian skin, such as America and Europe, can cause adverse negative effects if used by another race, such as Asians, because the structure and different types of pigments melaninnya. This view of the beautiful than the white-skinned Caucasians who is that brown skin is healthy, beautiful and attractive. Whereas in the Asia / Indonesia brown-skinned, white skin that is beautiful. Negative effects of cosmetics can also occur when the skin if a person is sensitive or lack of knowledge will seseoang how to use the proper cosmetics.
(2) Environmental Factors
Each environment provides its own influence on the skin, so cosmetics for hot climates / the tropics, such as Indonesia, should be different with cosmetics for cold climates / subtropical. For example the U.S. and Europe that have four different seasons, namely summer, autumn, winter and spring so that the sun is very small and weak as it is located far from the equator. In fact, in Indonesia too, the thermal environment on the beach, the mountains are cold, or air-conditioned rooms which require different skin care cosmetics.
(3) Factor Cosmetics
Cosmetics, if made from materials of low quality or materials that are harmful to the skin, less processing is good or not formulated in accordance with the human user and the environment, can cause a negative reaction or skin damage.
(4) Combined the three factors above.
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