Water base silicon emulsion as a deformer in paints but too much addition causes fish eye craters. Taxidermy application on natural hairs adds sheen and gloss preventing drying out restore suppleness.
In wood working silicon oil helps to soften wood veneer avoiding splitting and cracking. As a wood natural polish for the subtle sheen.
Restores leather drying as this water base silicon oil lubricates the leather fibres to avoid cracking.