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In Canadian women, the upper chest is commonly affected. [10] Spider veins on face and neck; Loss of color and fullness in lips; Symptoms of photoaging attributed to prolonged exposure to UV: Wrinkles deepen and forehead frown lines can be seen even when not frowning. Telangiectasias (spider veins) most commonly seen around the nose, cheeks and ...
Symptoms of Wrinkles. Wrinkles are a symptom of aging, but some early signs of wrinkles can include fine lines. Later, deep wrinkles may form, particularly around the mouth, nose, eyes, and forehead.
Skin pigmentation is frequently caused by sun exposure. To protect itself against UV radiation from the sun, the body makes more melanin. As a result, the skin may become more pigmented to protect it from the sun's rays. [4] The pigmentation of the skin may also be lightened by certain drugs.
Hyperpigmentation can be diffuse or focal, affecting such areas as the face and the back of the hands. Melanin is produced by melanocytes at the lower layer of the epidermis . Melanin is a class of pigment responsible for producing color in the body in places such as the eyes, skin, and hair.
Poikiloderma is a skin condition that consists of areas of hypopigmentation, hyperpigmentation, telangiectasias and atrophy. Poikiloderma of Civatte is most frequently seen on the chest or the neck, characterized by red colored pigment on the skin that is commonly associated with sun damage.
While the exact cause of rosacea remains unknown, researchers have uncovered several possible reasons why some people may develop this common skin condition. Immune system function
Alfred Blaschko, a private practice dermatologist from Berlin, first described and drew the patterns of the lines of Blaschko in 1901. He obtained his data by studying over 140 patients with various nevoid and acquired skin diseases and transposed the visible patterns the diseases followed onto dolls and statues, then compiled the patterns onto a composite schematic of the human body.
Type V pigmentation is found among some populations in Southwest Asia, [20] and including a few regions of North Africa. [24] It is frequent among select indigenous populations of Latin America, [3] parts of Sub-Saharan Africa, [25] and South Asia. [26] It ranges from olive [4] to brown skin tones. [20] This skin type very rarely burns and tans ...