The skin aging by the report of researchers can be aged by two different causes. Among them one is that which is caused by our genes which we inherit from our family and this is known as Intrinsic or Internal aging. The other type which happens due to environmental factors is known as Extrinsic or External aging.

Intrinsic Aging

It is also known as internal or natural aging process. It is a continuous process which typically starts from the age middle of 20s. Under the skin, the production of collagen slows and it started stretching a little bit because the matter that allows skin to instant back into place that has a little fewer spring. The signs for this type do not appear until few decades. Some of the signs that appear in this type are:

•  Fine wrinkles.

•  Thin and transparent skin.

•  Dry skin that may itch.

•  Lack of ability to sweat adequately to fresh the skin.

•  Graying hair that eventually turns white

•  Hair loss.

•  Unwanted hair.

Extrinsic Aging

The external factors are many. They are because of the pre-maturity of the skin. Mostly it is occur due to the sunburn which can be stopped by not going in the high time of sun and if going then use sunscreen for the protection of the skin. The other causes include the smoking habit, facial expressions and sleeping positions.

The exposing to sun often times can show the changes in the skin produced because of sun like age spots, leathery skin, blemished complexion and freckles.

Many products declare to refresh or regenerate aging skin and also reduce wrinkles, but the Drug and Food Administration has permitted only some of the products for aging skin and sun damaged. A number of treatments calm dry skin and reduce the appearance of age spots.