Cosmetic products, including those under the Beauty,Health and Lifestyle umbrella, are bought by people who find the claims made by manufactures as to the benefits of the product, appealing.
These preparations are designed to beautify the body anfd to alleviate aesthetic disorders in general.

Soothing and disinfecting. The nourishing of distressed surfaces. Your skin is under attack daily. The sun and polutated air. Contacts with the surrounding.

The unifying factor is that cosmetics cannot like seawead used for nutrition
claim to have medicinal value. To do so they have to be approved by the F ood and DrugAdministration Board  in the USA for excample nor carry the stamp of aproval of the Medical Research Counsil. Despite this they are used to prevent dry skin aggravations. Protection against polution through the air.
O ur skin is one of our most importants organ and plays a rol by preventing attackt from outside.
Because they are natural nobody can really object to it.
Other uses are against sensitive and reactive epidermis, cellulite etc.claim

Seaweed extracts are derived from the cytoplasm or cell walls. The extracted material, whether it is a mash, a paste-like mixture can be used in two ways:
as a stabiliser or emulsifier or as a therapeutic agent. Helping to archieve health, beauty and relaxation.