Any of several preparations (excluding soap) applied to the human body for beautifying, preserving, or altering the appearance or for cleansing, colouring, conditioning, or protecting the skin, hair, nails, lips, eyes, or teeth. The earliest known cosmetics were in use in Egypt in the 4th millennium BC. Cosmetics were in wide use in the Roman Empire, but they disappeared from much of Europe with the fall of the Roman Empire (5th century AD) and did not reappear until the Middle Ages, when Crusaders returned from the Middle East with cosmetics and perfumes. By the 18th century they had come into use by nearly all social classes. Modern cosmetics include skin-care preparations; foundation, face powder and rouge (blusher); eye makeup; lipstick; shampoo; hair curling and straightening preparations; hair colours, dyes, and bleaches; and nail polish. Related products include antiperspirants, mouthwashes, depilatories, astringents, and bath crystals.
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The subjective experience of "beauty" often involves the interpretation of some entity as being in balance and harmony with nature, which may lead to feelings of attraction and emotional well-being. "Beauty is in the eye of the beholder" is a common phrase that expresses this concept. In its most profound sense, beauty may engender a salient experience of positive reflection about the meaning of one's own existence. An "object of beauty" is anything that reveals or resonates with personal meaning.
The classical Greek adjective beautiful was καλλός. The Koine Greek word for beautiful was "ὡραῖος", an adjective etymologically coming from the word "ὥρα" meaning hour. In Koine Greek, beauty was thus associated with "being of one's hour". A ripe fruit (of its time) was considered beautiful, whereas a young woman trying to appear older or an older woman trying to appear younger would not be considered beautiful. ὡραῖος in Attic Greek had many meanings, including youthful and ripe old age.
The earliest Western theory of beauty can be found in the works of early Greek philosophers from the pre-Socratic period, such as Pythagoras. The Pythagorean school saw a strong connection between mathematics and beauty. In particular, they noted that objects proportioned according to the golden ratio seemed more attractive. Ancient Greek architecture is based on this view of symmetry and proportion. Modern research also suggests that people whose facial features are symmetric and proportioned according to the golden ratio are considered more attractive than those whose faces are not.
Symmetry is also important because it suggests the absence of genetic or acquired defects. Although style and fashion vary widely, cross-cultural research has found a variety of commonalities in people's perception of beauty. Large eyes and a clear complexion, for example, are considered beautiful in both men and women in all cultures. Neonatal features are inherently attractive and youthfulness in general is associated with beauty.
There is evidence that a preference for beautiful faces emerges early in child development, and that the standards of attractiveness are similar across different genders and cultures.
The foundations laid by Greek and Roman artists have also supplied the standard for male beauty in western civilization. The ideal Roman was defined as tall, muscular, long-legged, with a full head of thick hair, a high and wide forehead – a sign of intelligence – wide-set eyes, a strong browline, a strong perfect nose and profile, a smaller mouth, and a strong jaw line. This combination of factors would, as it does today, produce an impressive "grand" look of handsome masculinity.
Beauty ideals may contribute to racial oppression. For example, a prevailing idea in American culture has been that black features are less attractive or desirable than white features. The idea that blackness was ugly was highly damaging to the psyche of African Americans, manifesting itself as internalized racism. The black is beautiful cultural movement sought to dispel this notion. Conversely, beauty ideals may also promote racial unity. Mixed race children are often perceived to be more attractive than their parents because their genetic diversity protects them from the inherited errors of their individual parents.
The characterization of a person as “beautiful”, whether on an individual basis or by community consensus, is often based on some combination of inner beauty, which includes psychological factors such as personality, intelligence, grace, charm and elegance, and outer beauty, which includes physical factors, such as health, youthfulness, symmetry, averageness, and complexion.
A common way to measure outer beauty, as based on community consensus, or general opinion, is to stage a beauty pageant, such as Miss Universe. Inner beauty, however, is more difficult to quantify, though beauty pageants often claim to take this into consideration as well.
A strong indicator of physical beauty is "averageness", or "koinophilia". When images of human faces are averaged together to form a composite image, they become progressively closer to the "ideal" image and are perceived as more attractive. This was first noticed in 1883, when Francis Galton, cousin of Charles Darwin, overlaid photographic composite images of the faces of vegetarians and criminals to see if there was a typical facial appearance for each. When doing this, he noticed that the composite images were more attractive compared to any of the individual images. Researchers have replicated the result under more controlled conditions and found that the computer generated, mathematical average of a series of faces is rated more favorably than individual faces. Evolutionarily it makes logical sense that sexual creatures should be attracted to mates who possess predominantly common or average features.
Another feature of beautiful women that has been explored by researchers is a waist-to-hip ratio of approximately 0.70 for women. The concept of waist-to-hip ratio (WHR) was developed by psychologist Devendra Singh of the University of Texas at Austin. Physiologists have shown that this ratio accurately indicates most women's fertility. Traditionally, in premodern ages when food was more scarce, overweight people were judged more attractive than slender. Beauty is not solely limited to the female gender. More often defined as 'bishōnen,' the concept of beauty in men has been particularly established throughout history in East Asia, and most notably, in Japan. This is distinct from the idea of being metrosexual, which focuses mainly on the behavior of men in traditionally feminine ways. Bishōnen refers to males with distinctly feminine features, physical characteristics establishing the standard of beauty in Japan and typically exhibited in their pop culture idols. The origin of such a preference is uncertain but it clearly exists even today.
Inner beauty is a concept used to describe the positive aspects of something that is not physically observable.
While most species use physical traits and pheromones to attract mates, some humans claim to rely on the inner beauty of their choices. Qualities including kindness, sensitivity, tenderness or compassion, creativity and intelligence have been said to be desirable since antiquity. However new research comparing what humans claim to find attractive to their actual mating habits underlines the superficiality of "inner beauty," underlining the fact that the human animal relies on physical traits and pheromones just like every other animal to find a mate. That said, whether "inner beauty" does or does not measurably affect humans' mating habits, some traits classified as "inner beauty" do give an evolutionary survival advantage to either the individual or mating couple or group or all three.
Researchers have found that good looking students get higher grades from their teachers than students with an ordinary appearance. Furthermore, attractive patients receive more personalized care from their doctors. Studies have even shown that handsome criminals receive lighter sentences than less attractive convicts. How much money a person earns may also be influenced by physical beauty. One study found that people low in physical attractiveness earn 5 to 10 percent less than ordinary looking people, who in turn earn 3 to 8 percent less than those who are considered good looking. Discrimination against others based on their appearance is known as lookism.
St. Augustine said of beauty "Beauty is indeed a good gift of God; but that the good may not think it a great good, God dispenses it even to the wicked.