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silk powder is recommended primarily for use in powder makeups to improve humectancy, oil absorption, and anti-cracking properties. However, a large amount of silk powder may be needed to obtain the desired results. Silk powder is a micronized powder of natural silk protein and is not compatible with all inorganic pigments used in color cosmetics. It is obtained from the secretion of the silkworm. Silk powder may cause allergic skin reactions.