The dermis is primarily composed of the extracellular matrix (ECM) and fibroblasts. During
the aging process, the dermis undergoes significant changes. Collagen, which is a major …

Human skin is continually changing. The condition of the skin largely depends on the
individual's overall state of health. A balanced diet plays an important role in the proper …

Background Long-term exposure to ultraviolet irradiation from sunlight causes premature
skin aging (photoaging), characterized in part by wrinkles, altered pigmentation, and loss of …

Aging of skin is an intricate biological process consisting of two types. While intrinsic or
chronological aging is an inevitable process, photoaging involves the premature aging of …

Damage to human skin due to ultraviolet light from the sun (photoaging) and damage
occurring as a consequence of the passage of time (chronologic or natural aging) are …

Transcriptional activation of the nuclear receptor RAR by retinoic acid (RA) often leads to
inhibition of cell growth. However, in some tissues, RA promotes cell survival and …

To evaluate the potential use of solid lipid nanoparticles (SLN) in dermatology and
cosmetics, glyceryl behenate SLN loaded with vitamin A (retinol and retinyl palmitate) and …

Skin lightening preparations are widely used in dermatology by persons of all Fitzpatrick
skin types. Fitzpatrick skin types I–III require local pigment lightening for the treatment of …

Intrinsic (chronological) skin ageing is characterized hy atrophy of the skin with loss of
elasticity and slowed metabolic activity. The superposition of environmental damage …

Type I and type III procollagen are reduced in photodamaged human skin. This reduction
could result from increased degradation by metalloproteinases and/or from reduced …