Lye (Sodium Hydroxide)
The essential alkali ingredient required to make bar soap from scratch. While lye is caustic and requires careful handling with gloves and eye protection, it's completely safe when used properly. During saponification (the reaction between lye and oils), lye transforms completely—properly made soap contains no lye in the finished product. Melt and pour and rebatch soap makers don't work with lye directly since saponification already occurred during base manufacturing.
Other Terms
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Warning Labels (Bath Bombs)
Mandatory notices addressing safe use and precautions.
Warning Labels (Candle Making)
On-pack cautions and use instructions that help prevent accidents and reduce liability.
Warning Labels (Candles)
Required caution statements that explain safe use, hazards, and what to avoid.
Water Discount
The intentional reduction of water in a soap recipe to speed up trace, reduce curing time, or create a harder bar.
Water Quality Effects
How mineral content in water affects performance.
Water (Used Sparingly)
Used minimally as a binder, with care to avoid activating the fizz reaction.
Wavy Hair (Type 2)
Hair that forms loose bends or S-shaped waves.
Wax Additives
Extra ingredients used to change burn rate, hardness, opacity, adhesion, or scent performance.
Wax (Hair Wax)
A moldable styler that adds texture and separation with a firmer feel.
Wax Melter (Candle Melter)
A dedicated heated unit that melts wax evenly and keeps it at a steady working temperature.
Wax Melts (Wax Tarts)
Scented wax pieces designed to be warmed without a wick, releasing fragrance as they melt.
Weak Fizz
Reduced bubbling caused by imbalance or age.
Weight vs. Volume
Measuring by mass versus measuring by cups/spoons, with mass being more accurate.
Wet Sand Consistency
A texture similar to damp beach sand that holds together when pressed.
Wet Spots
Areas where wax pulls away from the container wall, creating clear-looking patches.
Whipped Body Butter
A fluffy, aerated butter with a lighter feel.
Whisk (Bath Bombs)
Tool used to evenly combine dry ingredients.
Whisk (Maker)
A simple tool for stirring and blending, useful for powders and light mixing.
White Cast
A pale residue left on skin from certain mineral formulas.
Whitehead (Closed Comedone)
A closed clogged pore appearing as a small bump under the skin.
White Soap Base (Opaque Base)
An opaque soap base that provides a solid, creamy foundation for additives and colors without transparency.
White Spots
Pale spots caused by uneven acid distribution.
Wholesale vs. Retail (Bath Bombs)
Selling strategies comparing bulk and direct sales.
Wholesale vs. Retail (Candle Making)
Selling in bulk at lower margins to shops versus direct sales at higher margins to customers.
Wick Centering Device
A tool that holds the string centered and upright while the wax cools and sets.