A
biological age is our skin's visible age. It is
the reflection of the internal and external influences
our skin has to face throughout its life.
Unique
to everybody, it conditions cellular renewal,
water and lipid content and the production
of elastic fibres.
Elasticity, firmness and the quality of skin
texture all depend on it.
According to our, skin type lifestyle and
cosmetic habits, our actual age can be out
of sync with our biological age. Such
a phenomenon manifests itself through visible
signs on the face which can be classified
into five stages
