Novelty soap made by substituting beer for water, creating additional lather from sugars and producing bars popular with men. Beer must be flat and frozen before adding lye to prevent volcanic overheating. The alcohol cooks off during saponification.
Other Terms
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Cleansing Milk (Body)
A gentle, milky cleanser that cleans without stripping moisture.
Cleansing Oil vs. Cleansing Balm
A comparison between liquid and solid oil cleansers with similar cleansing purposes.
Clear Glycerin Base (Crystal Clear Base)
A transparent soap base that melts easily and allows additives or designs to show through vividly.
Clear Glycerin Showcase
Clear Glycerin Showcase is a soap style that uses transparent glycerin soap to highlight embedded designs, layers, or objects within the bar.
Cloudy Clear Soap
Loss of transparency in clear soap caused by overheating, excess additives, or trapped moisture and air.
Co-Wash (Cleansing Conditioner)
A conditioning cleanser that gently cleans without stripping.
Co-Washing
Cleansing with a conditioning cleanser to refresh hair without stripping natural oils.
Coarse Hair
Thick individual strands that feel strong and robust.
Cocoa Butter
A firm, emollient fat that moisturizes and protects the skin, giving soap a creamy texture and smooth finish.
Cocoa Butter (Body Care)
A firm butter known for improving elasticity and moisture retention.
Cocoa Butter (Melted)
A firm butter that improves durability while adding a luxurious skin feel.
Cocoa Powder
Cocoa Powder adds a natural brown hue and gentle exfoliation when incorporated into handmade soaps.
Coconut Milk Soap
A rich, creamy soap made with coconut milk, offering extra lather, hydration, and a gentle cleansing experience.
Coconut Oil
A versatile oil that adds hardness, lather, and cleansing properties to soap while nourishing the skin.
Coconut Oil (Fractionated)
A lightweight, non-greasy oil that blends easily and won’t solidify.
Coconut Oil (Fractionated) (Body Care)
A stable, fast-absorbing oil that provides slip without greasiness.
Coconut Oil (Hair Care)
A more penetrating option often used pre-wash to help reduce dryness and protein loss.
Coconut Wax
A natural wax made from coconut oil that burns cleanly, holds fragrance well, and creates a smooth, creamy finish.
Coffee Grounds
Used as a natural exfoliant in soap to add texture, help remove odors, and gently scrub the skin.
Coffee Grounds (Body Care)
Ground beans used to exfoliate, stimulate circulation, and deodorize skin.
Coffee Scrub
An exfoliant using ground beans for texture and circulation benefits.
Coffee Soap
Soap infused with coffee, offering gentle exfoliation, stimulating properties, and a rich, energizing scent.
Coily/Kinky Hair (Type 4)
Hair with tight curls or zig-zag patterns that shrink significantly.
Cold Pressed Soap
“Cold pressed” soap is a marketing term often misused to describe cold process soap, borrowing language from oil extraction rather than indicating a separate soap-making method.
Cold Process Safe Fragrance Oil
A fragrance formulated to withstand the high pH of cold process soap without discoloring, accelerating, or losing scent.