| Foundation
The aim of foundation is to cover up and blend-in skin imperfections,
to give an even colour and texture on the face.
Skin imperfections can vary widely ranging from small freckles
to high skin pigmentation, such as red cheeks or birthmarks. Foundation
is designed to even out the smaller imperfections such as rosy cheeks
or blotchy skin tone caused by uneven skin pigmentation. Specialist
thicker foundations are used to cover larger skin imperfections,
such as a vascular birthmark (often referred to as a strawberry
mark or port-wine stain).
There are different textures of foundation ranging from liquids
and mousses to creams and solids. There are also various formulations
using a range of ingredients designed to do different things. Some
formulations promise 'long-lasting cover', ‘a radiant healthy
sheen’ or a 'matt satin finish to your skin'. All these 'effects'
are visible factors and are obtained by adding different ingredients.
With increased scientific knowledge, the addition of a sun protection
factor (SPF) is now seen as beneficial to most skin care products
that stay on the face all day. Although an SPF may be present in
foundations, the main aim of the foundation is not to protect against
the sun, but to even out the skin tone and to enhance the skin's
texture. Sun protection products should be used as part of a responsible
approach to sun care. Nowadays, many foundations contain skin conditioners
and vitamins to nourish the skin as they are worn.

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