Cosmetics containing thermally-inhibited starches

Details Cosmetics containing thermally-inhibited starches Cosmetics containing thermally-inhibited starches

1996-01-31

1999-02-16

Venkat, Jyothsna

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

424 47, 424 59, 424 61, 424 64, 424 65, 424 69, 424 701, 424 702, 424 706, 424 707, 424 73, 424DIG1, 424DIG2, 424DIG3, 424DIG5, 514 60, A61K 748

Patent

active

058717560

ABSTRACT:
Thermally-inhibited starches and flours are used in cosmetic compositions such as skin and hair care products as emulsifiers, thickeners, and aesthetic control agents. The starch or flour is inhibited by dehydrating the starch or flour to anhydrous or substantially anhydrous and then heat treating the dehydrated starch or flour for a time and at a temperature sufficient to inhibit the starch or flour and improve its viscosity stability when dispersed in water. The dehydration may be a thermal or a non-thermal dehydration (e.g., by alcohol extraction or freeze-drying). Preferably, the pH of the starch or flour is adjusted to a neutral or above (e.g., pH 8-9.5) prior to the dehydration and heat treatment.

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