In the contemporary world it is unattainable to imagine a person without metal products and goods, containing alloys of varied metals. Metals are parts of the household items, jewelry, construction materials for dentures. In most cases, the human body does…

Summer is a favorable period for many people when a person can relish the sun and sunbathe. The dominant antagonist of the skin is the scorching sun, yet a means to guard the skin against ultraviolet light may be not…

Henna is a dye from the dried leaves of a plant, called Lawsonia. These leaves are harvested, dried into a powder and then paint is manufactured. Moreover, this pigment has a diverse coloring degree, which determined by the type of…

Wool now is a trendy band of tissue that is an element of many goods: clothes, decorative elements for the house and even shoes. It attracts people by its long-term wear, durability, and its feature to keep warm for a…

Formaldehyde – many people have heard this word, it is familiar almost to everyone, but only a few people know that formaldehyde is hazardous and it can induce allergies. What is formaldehyde? It is gas with a pungent smell, which…

Nickel is a metal that accompanies every human. A person does not think about the fraction of nickel in jewelry, watches, belt buckles, rivets on trousers and jeans, and even in food! However, people, who are prone to nickel allergies,…

Everyone in one or another degree contacts with chlorine and with substances, which include chlorine. In the contemporary world, chlorine is a component of household chemicals, disinfectants; it is added to tap water, sometimes in small doses it is added…

Gold has been always a precious metal, a sign of luxury, accomplishment and opulence. This exquisite metal is used not only in jewelry but also in the design of accessories, interior details. Moreover, gold is used even in cosmetics! However,…