From antiquity, beauty has been a subject occupying the minds of humankind. Now days, the level of the obsession is higher due to the exigencies of the society. Everyone, male or female, young or old, wants to be congratulated for their beauty. To become more attractive, Americans spend billions of dollars each year in beauty products. According to a research published by the YWCA, American women spend in average $7 billion a year on cosmetics and beauty products. Over 80% of...