As the skin matures, its natural antioxidant protection decreases, resulting in increased fatty acid oxidation. When fatty acid (produced in the sebaceous gland) is oxidized, the 2-Nonenal chemical compound is produced. This chemical compound is a major source of senior body odor, which has an unpleasant greasy or oily odor. By how many years does our body begin to produce more fatty acids and natural antioxidant defenses begin to deteriorate, starting production of 2-nonenal?

From birth to age there are various transformations in our body, our mind and of course in our teeth. Some transformations are perceived as yellowing, hypersensitivity and weakening of the teeth. Xerostomia (dry mouth) is another recurring nuisance at this stage. Which of the following raw materials can be used in mouthwashes to meet dry mouth (dry mouth)?

Physiological changes in aged skin include structural and biochemical changes as well as changes in neurosensory perception, permeability, response to injury, repair capacity, and increased incidence of some skin diseases. Thickness of the skin tends to decrease per decade up to

Sebaceous glands are microscopic exocrine glands in the skin that secrete an oily or waxy matter, called sebum, to lubricate and waterproof the skin and hair. Although the number of sweat glands does not change, sebum production decreases as much as …

With aging, vitamin D deficiency increases, and the enzymes of melanocytes fall between 8% - 20% every decade from 45 years. Today Vitamin D comes from exposure to UV-B or orally. Swallowing becomes a complex factor with aging too and there are not a lot of people who don't like to take pills regardless of age. What of the following products can be a cause of Vitamin D deficiency?