Crafting Candle and Soap Making 2

Question 1

What is 'soda ash' in cold process soap and how is it prevented?

Accepted Answer

A harmless white powder on soap surfaces caused by partial saponification of exposed oils; prevented by covering the mold or spraying with alcohol

Answer

Soda ash forms when unsaponified oils react with air, leaving a white powdery film; covering the mold tightly or spritzing the top with isopropyl alcohol prevents it.

Question 2

What is 'trace' in cold process soap making?

Accepted Answer

The stage when soap batter thickens to a pudding-like consistency where drizzles leave a temporary impression on the surface

Answer

Trace indicates that the oils and lye water have emulsified enough that the mixture holds a trail on its surface when drizzled, signaling it's ready for colorants and pouring.

Question 3

Which oil is high in lauric acid and commonly added to soap recipes to increase lather and hardness?

Accepted Answer

Coconut oil

Answer

Coconut oil is rich in lauric acid, which contributes to a firm, long-lasting bar and produces a fluffy, cleansing lather.

Question 4

What is the purpose of adding castor oil to a soap recipe?

Accepted Answer

Boosting and stabilizing lather

Answer

Castor oil contains ricinoleic acid, which attracts and holds moisture in lather, creating a richer, more stable foam even in small amounts (5–10%).

Question 5

What safety equipment is essential when working with lye (sodium hydroxide) in soap making?

Accepted Answer

Safety goggles, rubber gloves, and long sleeves

Answer

Lye is highly caustic and can cause severe chemical burns on skin and eyes, requiring full eye protection, chemical-resistant gloves, and covered skin at all times.

Crafting Practice Test

Crafting Practice Test

Crafting Candle and Soap Making 2