SILICONES IN HAIR CARE
1. SILICONES IN HAIR CARE
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The use of silicone materials in hair care and skin care has
been known in the art for over fifty years. Skin care formulations
incorporating dimethicone polymers premiered in the marketplace
slightly earlier than did hair care products. The first such
example dates back to the late 1940's when Revlon launched a
product known as Silicare skin lotion. This formulation contained
dimethicone , which provided a protective, breathable barrier
on the skin and reduced the whitening or "soaping"
effect typically encountered during rub-in of the lotion. The
use of silicones in hair care products debuted a few years later
in the early 1950's, with the introduction of a lotion spray
product known as "Sudden Date". This product, introduced
into the marketplace by Lanolin Plus, was designed to be sprayed
onto a "tired hair-do" to provide "immediate
refreshing". The silicone ingredient present in the formulation
was claimed to cause the hair to be "shiny and more spirited".
In 1958 dimethicone polymers for use as conditioning additives
in shampoo compositions became known in the art when the first
patent detailing this application was issued to The Simonize
Co.The benefits derived from the incorporation of silicones
in hair and skin products were becoming quite obvious product
development chemists by the late 1950's and early 1960's. Even
so, silicone materials were not utilized extensively in the
formulation of personal care compositions during this time period
because of their inherent solubility and compatibility problems.
During the last two decades however, the use of silicones in
personal care products has dramatically increased due to the
unique properties and benefits provided by these materials,
and the introduction of more sophisticated ingredients. This
increased use of silicones was made possible by the emergence
of new technology in the areas of emulsification, thickeners,
and suspending agents, and the introduction of organomdified
silicone polymers and emulsifiers which offer increased compatibility
with the other ingredients generally contained in these compositions.
The increased use of silicones in personal care compositions
becomes obvious when looking at ingredient listings for new
products being introduced into the marketplace. For example,
well over half of all new personal care products introduced
into the US marketplace over the last two years contained some
type of silicone compound in the composition.This monograph
explores the use of silicones in several different hair preparations
including shampoos, conditioners and fixatives.