I tried combining caulk and cornstarch back at the beginning of my 100% Silicone Caulk mold making adventures and it was dismal failure. It never set completely and ended up sticking to the sculpture. But the more I did research into the casting and molding world the more I came across articles and videos
Silicone Caulk and Cornstarch Molds – Take 2!
Top 10 diy silicone molds ideas and inspiration
Online Class: Make 2-part silicone molds with Alumilite!
How to: Cornstarch Silicone Molds
Casting in Silicone molds using Plaster of Paris and Wood Glue
Casting in Silicone molds using Plaster of Paris and Wood Glue
Moules en silicone et Oreo - La fée Tonnante
Advanced Silicone 2 Kitchen and Bath, Tub and Tile 2.8-oz Clear Silicone Caulk
GE Advanced Silicone 2 Kitchen and Bath, Tub and Tile 2.8-oz Clear Silicone Caulk
HASSLE-FREE MIXING: Simply weigh both Part A & B equally by weight and mix thoroughly and make your own silicone molds using our premium liquid
TECHAROOZ Liquid Silicone for Mold Making Kit 140 Oz/1 Gallon/8.8lb - Shore 20A Food Grade - DIY Mold Making Silicone Rubber for Casting Crafy Epoxy
Oogoo, ComposiMold-Flex, and The 3D Printer
Mark Montano: Cornstarch and Silicone Molds DIY
MOLD ARMOR 100% Mold Free Caulk & Sealant (Clear) is a durable mold and mildew-free silicone Flexible, crack-proof formula with excellent adhesion and
MOLD ARMOR 100% Silicone Mold Free Caulk & Sealant (Clear), 5.5 Oz.