Natural Hair Shampoo |
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NATURAL HAIR SHAMPOO
Shampoo is a hair care product
used for the removal of oils, dirt, skin particles, environmental pollution and/or other
contaminant particles that gradually build up in hair. The goal is to remove the unwanted
build-up without stripping out so much as to make hair unmanageable.
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Shampoo from EVitamins.com |
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| Product Name |
Brand |
Package |
Price |
Biotin Shampoo |
Mill Creek |
16 oz
|
| $5.59 |
 | |
Shampoo, when lathered with water,
is a surfactant, which, while cleaning the hair and scalp, can remove the natural oils (sebum)
which lubricate the hair shaft.Shampooing is frequently followed by conditioners which increase
the ease of combing and styling.
Shampoo cleans by stripping sebum
from the hair. Sebum is an oil secreted by hair follicles that is readily absorbed by the
strands of hair, and forms a protective layer. Sebum protects the protein structure of hair from
damage, but this protection comes as a cost: it tends to collect dirt, styling products and
scalp flakes. Surfactants strip the sebum from the hair shafts and thereby remove the dirt
attached to it.
While
both soaps and shampoos contain surfactants, soap bonds to oils with such affinity that
it removes too much if used on hair. Shampoo uses a different class of surfactants balanced to
avoid removing too much oil from the hair.
The effectiveness of vitamins,
amino acids and "pro-vitamins" to shampoo is also largely debatable. Vitamins and amino acids
are the building blocks of proteins and enzymes within the body. They are those substances our
bodies are incapable of synthesizing from other substances. While vitamins may be able to
penetrate cells through the skin, amino acids and proteins are too large to enter a cell outside
the bloodstream, and they can have no effect on dead tissue. Proteins are constructed from amino
acids following an RNA blueprint inside the cell. A strand of hair is a long protein chain
continually being added to at the root. The only way for an amino acid to be of any use is to be
intentionally bound to other amino acids in a specific fashion by a living cell. Hair is not
alive, and there is no possibility for an amino acid or protein to have any permanent effect on
the health of the strand.
The
case for vitamins is not as well understood. Some have demonstrated a moderate effectiveness
in improving the health of skin, but most likely the benefit is derived from the effect of
vitamins on living cells below the epidermis. Extending this benefit to hair, the vitamins and
minerals could improve the health of new hair growth, but the benefit to existing hair is
unsubstantiated. However, the physical properies of some vitamins (like vitamin E oil or
panthenol) would have a temporary cosmetic effect on the hair shaft while not having any
bioactivity.
Natural Hair Shampoo
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