This is the 5th formulation under the Liquid Handwash category in your formula book: Handwash Pearl. The formulation uses SLES 70%, CDEA, LAS, EGMS, CMEA, salt and water, followed by fragrance and DMDM.
Handwash Pearl Formula
| Raw Material | Quantity |
|---|---|
| SLES 70% | 18 kg |
| CDEA | 5.5 kg |
| LAS | 6 kg |
| EGMS | 1.4 kg |
| CMEA | 2.5 kg |
| Salt | 1 kg |
| Water | 62 kg |
| Fragrance | 100 g |
| DMDM | 50 g |
The source also specifies that LAS is acid slurry and is neutralised with caustic soda, giving the example: 5 kg acid slurry + 0.75 kg caustic soda.
Manufacturing Process
Step 1 – Prepare the Main Mixture
Take half of the specified water and add the formulation ingredients into it.
Blend the ingredients properly to obtain a uniform mixture.
Step 2 – Heat
Heat the mixture to approximately 60°C while mixing.
The source specifically instructs to blend the ingredients in half the water and heat to 60°C.
Step 3 – Cool
After heating, cool the mixture while continuing stirring.
Step 4 – Add Remaining Water
After cooling, add the remaining water and continue mixing until the product becomes homogeneous.
Step 5 – Neutralise LAS
The source specifies that LAS is acid slurry and is neutralised with caustic soda.
The example given is:
5 kg acid slurry + 0.75 kg caustic soda.
Step 6 – Medicated Variant
For a medicated version, the source states that PCMX or triclosan at 0.25% can be added.
Role of Key Ingredients
SLES 70% – Main surfactant in the formulation.
CDEA – Supports the surfactant system and product texture.
LAS – Acid-slurry surfactant that is neutralised with caustic soda according to the source.
EGMS – Included in the formulation and contributes to the pearlized appearance/texture.
CMEA – Included as part of the formulation’s surfactant/structuring system.
Salt – Included in the formulation and contributes to the desired viscosity.
Fragrance – Provides the desired fragrance.
DMDM – Preservative specified in the formulation.
Important Manufacturing Tips
- Follow the specified 60°C heating step.
- Cool the mixture with stirring before adding the remaining water.
- LAS should be properly neutralised with caustic soda as specified by the source.
- Do not blindly add the full caustic quantity without checking the actual acid-slurry strength and pH.
- Make a small pilot batch before commercial production.
Frequently Asked Questions
1. What is this formulation called?
It is listed as Handwash Pearl.
2. How much SLES 70% is used?
18 kg.
3. How much CDEA is required?
5.5 kg.
4. How much LAS is used?
6 kg is listed in the formulation.
5. How much EGMS is used?
1.4 kg.
6. How much CMEA is used?
2.5 kg.
7. How much salt is required?
1 kg.
8. How much water is specified?
62 kg.
9. What is the fragrance quantity?
100 g.
10. What preservative is used?
DMDM — 50 g.
11. At what temperature is the mixture heated?
The source specifies 60°C.
12. How is LAS neutralised?
The source says LAS is acid slurry neutralised with caustic soda, giving 5 kg acid slurry + 0.75 kg caustic soda as its example.
13. Can this formula be made medicated?
The source states that PCMX or triclosan 0.25% can be added for a medicated version.
14. Why is it called Pearl Handwash?
The formulation includes EGMS and CMEA, and the product is specifically identified as Handwash Pearl in the source.
15. Should the mixture be cooled before adding remaining water?
Yes. The source instructs heating to 60°C and then cooling with stirring before adding the remaining water.
Conclusion
The Handwash Pearl Formula is based on a combination of SLES 70%, CDEA, LAS, EGMS and CMEA, with controlled heating and cooling during manufacturing. Proper LAS neutralisation and temperature control are important parts of the process described in the source.
