Skin surface properties_elasticity
There are many methods to detect the skin health, skin surface properties, skin color, skin color type, and hair conditions. They are non-intrusive.
Skin surface properties
Elasticity of skin
The skin is composed by complex material. Collagen and elastic fibers in dermis provide the elasticity when the skin is under a constant force.
The measurement is to apply a force to record and analysis the reaction of skin firmness.
The topography of skin
Use optical method to sketch the surface of skin.