How to Prepare Liquid Soap – Basic 4 Home Economics Lesson Note (Second Term)
Download Lesson NoteLesson note at a glance
- Subject
- Home Economics
- Class
- Basic 4
- Term
- Second Term
- Topic
- How to Prepare Liquid Soap
- Order
- Topic 7 of 9 this term
- Reading time
- 5 min
What is Liquid Soap?

Liquid soap is a cleaning product in liquid form used for washing hands, body, dishes, and clothes. It is made by mixing soap ingredients with water.
Why Make Liquid Soap?
- Cost-effective: Cheaper than buying ready-made soap
- Customizable: Can add preferred scents and colors
- Family project: Fun activity to do with adults
- Local ingredients: Uses materials available in Nigeria
Materials Needed
Main Ingredients:
- Bar soap (4-6 bars of good quality soap like Key soap)
- Clean water (4-6 liters)
- Salt (2 tablespoons)
- Glycerin (2 tablespoons) – makes soap smooth
Optional Ingredients:
- Fragrance oil (few drops) – for nice smell
- Food coloring (few drops) – for attractive color
- Essential oils (lavender, lemon) – natural scent
Equipment:
- Large pot for boiling water
- Wooden spoon for stirring
- Grater for grating soap
- Clean containers for storing soap
- Measuring cups and spoons
- Strainer to remove lumps
Safety Equipment:
- Adult supervision (most important!)
- Apron to protect clothes
- Heat-resistant gloves for handling hot materials
Simple Method for Making Liquid Soap
Step 1: Prepare Materials
- Gather all ingredients and equipment
- Wear apron to protect clothes
- Have adult help ready
- Clean all equipment thoroughly
Step 2: Grate the Soap
- Adult grates soap bars into small pieces
- Use clean grater for this process
- Smaller pieces dissolve faster
- Keep grated soap in clean bowl
Step 3: Heat the Water
- Adult boils water in large pot
- Use medium heat to prevent splashing
- Water should be hot but not violently boiling
- Have pot holders ready for safety
Step 4: Mix Soap and Water
- Adult adds grated soap to hot water slowly
- Stir continuously with wooden spoon
- Keep stirring until soap dissolves completely
- Process takes 10-15 minutes
Step 5: Add Other Ingredients
- Add salt while stirring to thicken soap
- Add glycerin for smooth texture
- Add fragrance if desired (few drops only)
- Add food coloring if wanted
Step 6: Cool and Store
- Let soap cool completely before handling
- Stir occasionally while cooling
- Strain mixture to remove any lumps
- Pour into clean containers for storage
Alternative Simple Method (For Children with Adult Help)
Easy Bar Soap Method:
- Adult cuts 2 bars of soap into small pieces
- Adult heats 2 liters of water (not boiling)
- Child helps add soap pieces to warm water
- Stir together until soap dissolves
- Let cool and pour into containers
- Ready to use when completely cool
Storage and Use
Proper Storage:
- Use clean containers with tight lids
- Label containers with contents and date
- Store in cool, dry place away from direct sunlight
- Keep out of reach of small children
How to Use:
- Shake gently before each use
- Use appropriate amount – not too much
- Good for washing hands, body, dishes
- Lasts longer than bar soap
Shelf Life:
- Homemade liquid soap lasts 2-3 months
- Store properly to prevent spoilage
- Check for bad smell before use
- Make fresh batch when old soap runs out
Safety Rules
Adult Supervision:
- Never attempt alone – always have adult present
- Adults handle all hot water and heating
- Children observe and help with safe tasks only
- Ask questions if unsure about anything
Heat Safety:
- Hot water and soap can cause burns
- Stay away from stove and hot materials
- Adults handle all heating and hot liquids
- Wait for cooling before touching soap
Chemical Safety:
- Use only safe ingredients suitable for soap making
- Don’t add unknown chemicals or substances
- Wash hands thoroughly after soap making
- Don’t taste soap or ingredients
General Safety:
- Work in well-ventilated area for good air flow
- Clean up spills immediately to prevent slipping
- Wear old clothes or apron to protect clothing
- Keep workspace clean and organized
Benefits of Making Liquid Soap
Educational Benefits:
- Learn measurement and following instructions
- Understand chemical reactions (soap dissolving)
- Practice following steps in correct order
- Develop patience waiting for processes
Economic Benefits:
- Save money compared to buying ready-made soap
- Use locally available ingredients
- Make large quantities at lower cost
- Reduce packaging waste from commercial soaps
Family Benefits:
- Family bonding activity
- Learn practical skill for the future
- Contribute to household economy
- Pride in making useful product
Tips for Better Results
Better Texture:
- Grate soap finely for faster dissolving
- Stir continuously to prevent lumps
- Add salt gradually while stirring
- Strain final product for smooth consistency
Better Scent:
- Use natural fragrances like lemon or lavender
- Add fragrance when soap is cooling
- Don’t use too much fragrance (few drops only)
- Test small amount first for allergies
Better Storage:
- Use glass or plastic containers with tight lids
- Clean containers thoroughly before use
- Label with date and ingredients
- Store away from heat and direct sunlight
Common Problems and Solutions
Soap Too Thick:
- Add warm water gradually while stirring
- Mix thoroughly until desired consistency
- Heat gently if needed (adult supervision)
Soap Too Thin:
- Add more grated soap and dissolve
- Add small amount of salt while stirring
- Let sit overnight – may thicken naturally
Lumpy Soap:
- Strain through clean cloth or fine strainer
- Reheat gently and stir more (adult help)
- Blend with spoon to break up lumps
EXERCISES
Exercise 1: Fill in the Blanks
- Liquid soap is made by mixing soap ingredients with ________
- Making liquid soap is ________ than buying ready-made soap
- You need ________ supervision to make liquid soap safely
- Grated soap should be added to ________ water
Exercise 2: True or False
- Children can make liquid soap without adult help ____
- Hot water is used to dissolve grated soap ____
- Liquid soap making is dangerous for children ____
- Homemade liquid soap can last 2-3 months ____
Exercise 3: Match Materials with Use
Draw lines to connect each material with its use:
- Bar soap → Adds nice smell to soap
- Salt → Main ingredient for soap making
- Fragrance oil → Makes soap thicker
- Glycerin → Makes soap smooth
Exercise 4: Safety Rules
Write “S” for Safe or “U” for Unsafe practices:
- Adult handles all hot water ____
- Children work alone ____
- Wearing apron to protect clothes ____
- Adding unknown chemicals ____
- Washing hands after soap making ____
Exercise 5: Choose the Right Answer
Circle the correct answer:
- Who should handle hot water: Children alone / Adults only
- Soap pieces should be: Large / Small for faster dissolving
- Homemade soap lasts: Forever / 2-3 months
- Best storage place: Hot sunny area / Cool dry place
Exercise 6: Soap Making Steps
Number these steps in correct order (1-6): ___ Add other ingredients like salt and glycerin ___ Cool and store in clean containers ___ Grate soap bars into small pieces ___ Heat water in large pot ___ Mix grated soap with hot water ___ Prepare all materials and equipment
This term's Home Economics topics
Basic 4 Second Term · 9 topics
- Classes of Food, Nutrient and Nutrition
- Method of Cooking: Boiling Method
- Method of Cooking: Roasting Method
- Personal Grooming and Use of Basic Cosmetics
- Personal Clothing-Types and Care of Personal Clothing
- Reasons for Wearing Clothes
- How to Prepare Liquid Soap
- Uses and Care for Simple Tools
- Stitches and Types of Stitches


