A fine white powder used in bath bombs and fizzy products to help stabilise the fizzing reaction and improve texture. Cream of Tartar strengthens bath bombs, making them harder and longer-lasting, while also adding a smooth, silky feel to the finished product.
INCI: Potassium Bitartrate
Appearance: Fine white crystalline powder
Uses in Formulation: • Bath bombs, bath fizzers, and bath powders • Bubble bars and scoops • Soaps and cleansing bars • Baking and craft use (non-cosmetic – not for resale as cosmetic)
Why Makers Love It: Cream of Tartar is a key supporting ingredient in bath bomb making. It improves hardness and stability, giving a smoother finish and a longer-lasting fizz in the tub. It’s a simple yet essential addition for makers who want consistent, reliable results.
Storage: Store in a cool, dry place away from moisture and direct sunlight. Shelf life approx. 24 months.