Bone decalcification, or loss of bone mineral density, which is often associated with conditions such as osteoporosis, is a natural process that people experience throughout their evolutionary development. This process of calcium loss at the bone level can entail significant risks to the health of those who suffer from it, making it a threat that must be addressed as a challenge in search of a better quality of life.

Introduction:      Skin aging is a natural process that occurs over time and is influenced by various factors. This physical, metabolic and functional process involves the progressive deterioration of the organic molecules that make up the cellular network of the skin over time, manifesting itself through changes in its structure and function. These changes can include loss of elasticity, wrinkle formation, decreased collagen production, and reduced ability to retain moisture.

     The guava tree ( Psidium guajava ) stands out as a tropical fruit plant, native to tropical America and Central America. Its versatility and the delicious exquisiteness of its fruits have led to its cultivation in various parts of the world.