Skin aging has many reasons. The researchers at Beiersdorf differentiate between two kinds of factors. First, intrinsic factors, that can hardly or not at all be affected, like biological aging. Characteristics are, e.g. a slowed cell division and energy metabolism. Further intrinsic factors are genetic predispositions. For example, skin ages differently whether it is female or male skin. Hormonal alterations during the puberty or the menopause can also affect skin aging. Second, extrinsic factors, e.g. UV-rays. Especially UVA-rays are one of the main reasons for skin aging symptoms. They penetrate deep into the layers of the skin, destroy the elastic fibers in the connective tissue and thus cause the skin to sag. But also stress and the personal lifestyle, e.g. smoking, can have negative effects.
As of 20: loss of skin moisture and first fine lines
As of 30: the skin produces fewer lipids, first forehead wrinkles
As of 40: the skin becomes dryer and thinner, first wrinkles around the eyes occur
As of 50: diminished supply of nutrients, more pallid complexion, reduced elasticity, flabbier contours
As of 60: reduced density and thickness, contours become blurred, pigmentation marks occur
As of 70: extremely dry skin, extended and visible blood vessels, age spots in the face, on the neck and on the back of the hands
Q10: Within the cells, coenzyme Q10 plays a decisive role in producing the energy required for skin metabolism from available nutrients. As we get older, quantities of Q10 in the skin decrease; if it’s added to a skin care creme, the skin’s energy level can nevertheless be increased measurably.
Creatine und Folic Acid: Beiersdorf researchers have also examined the significance of other important skin constituents – namely creatine and the folic acid. Creatine is a kind of an intracellular accumulator which can be recharched and provides energy on demand. Folic acid supports error‐free cell division, and also helps the skin to reduce damage to the DNA caused by exposure to sunlight.
Hyaluronic Acid: Beiersdorf researchers have also succeeded in conditioning Hyaluronic acid, an important moisturizer, such that it can penetrate the skin to an ideal depth after applying a cream, where it helps to bind water and pad wrinkles.
Soy: Soy and soy extracts help to boost the skin’s firmness by activating the collagen. Antioxidants (e.g. vitamins C and E) help to capture free radicals in the skin and impede their cell destroying action.