6th International Dermatology Conference: Skin and Body

These changes are related to the sudden of hormones in females (estrogen and progesterone) to the blood vessels, skin pigments, your immune system and glands. These suddenly changes can be present as physiological changes or skin disorders. Pigmentation - They will be notice that the color of the nipples, genitalia skin, and the center of your tummy darken. Darken of moles Pre-existing freckles. A dark blemish can appear on your forehead, cheeks chin and nose called melisma (“pregnancy mask”). ​Here, the deposits of melanin are increased in the middle of the skin and superficial. Fortunately, the pigment resolves after delivery. Below are the some changes during pregnancy period Stretch Marks- The distension and stretching of the tummy causes split of the skin. These split lines are called striate gravid arum. These are purplish wavy lines, which appear on the thighs, breasts, and tummy. Blood Vessel Changes- Some changes related appear as redness of the palms and due to blood ...

The increase pollution of air over the years has important effects on the skin of human. The skin is exposed to environmental air and ultraviolet radiation (UVR) pollutants such as aromatic polycyclic hydrocarbons (PAHs), volatile organic compounds (VOCs), ozone (O 3 ), oxides, particulate matter (PM), and smoke of cigarette. Again  skin of human acts as a biological shield against physical air pollutants and pro-oxidative chemicals, the  prolonged  exposure to more levels of these pollutants may have intense effects on the skin which are negative. Exposure of the skin to pollutants of air has been combined with allergic skin or inflammatory and skin aging conditions such as eczema, atopic dermatitis, psoriasis or acne, while skin  cancer  is among the most serious effects. On the another hand, few of the air pollutants (i.e., nitrogen dioxide, O 3 ,   and sulfur dioxide) and spread particulates (clouds and soot) in the troposphere reduce the effe...