Simple Toothpaste Formulation using Hydrated Silica (100g Trial Batch)
Asked by: s.boonsith
On: November 13, 2025
Product Type:
Cosmetics
Question
Please provide a simple, basic toothpaste formulation recipe suitable for general cleaning and a fresh feeling, utilizing Hydrated Silica as the primary abrasive agent. The formulation should be designed for a 100g trial batch, easily prepared in a standard laboratory setting without requiring specialized high-shear mixing equipment.
The response must include:
- The complete ingredient list with percentage (%) usage (independent of batch size).
- The function/role of each key ingredient.
- A detailed, step-by-step mixing process (including phase separation, e.g., Phase A, B, C) suitable for small-scale laboratory preparation.
Answer
Simple Hydrated Silica Toothpaste Formulation
This is a simple, basic toothpaste formulation using Hydrated Silica as the main abrasive, designed for a small 100g trial batch that can be easily prepared in a laboratory setting without specialized high-shear mixing equipment.
| Phase | Ingredient | Role | Percentage (%) | 100g Batch (g) |
|---|---|---|---|---|
| A | Deionized Water | Solvent | 20.00% | 20.00 g |
| A | Sorbitol Solution (70%) | Humectant, Bodying Agent | 45.00% | 45.00 g |
| A | Xanthan Gum | Binder, Thickener | 1.00% | 1.00 g |
| A | Sodium Saccharin | Sweetener | 0.30% | 0.30 g |
| A | Potassium Sorbate | Preservative | 0.20% | 0.20 g |
| B | Hydrated Silica (Standard Cleaning) | Abrasive, Thickener | 25.00% | 25.00 g |
| C | Glycerin (or Propylene Glycol) | Flavor Solvent | 5.00% | 5.00 g |
| C | Sodium Coco-Sulfate (SCS) Powder | Surfactant, Foaming Agent | 2.50% | 2.50 g |
| C | Menthol Crystals or Peppermint Oil | Flavor, Freshness | 1.00% | 1.00 g |
| TOTAL | 100.00% | 100.00 g |
Preparation Process (100g Batch)
Equipment Needed:
- Digital scale (accurate to 0.01g)
- Beakers (250ml and 100ml)
- Magnetic stirrer and stir bar (optional, but highly recommended for Phase A)
- Spatula or hand mixer/whisk
Step 1: Prepare Phase A (The Gel Base)
- Weigh and Hydrate the Binder: In a 250ml beaker, combine the Deionized Water and Sorbitol Solution.
- Disperse Powder Ingredients: Slowly sprinkle the Xanthan Gum, Sodium Saccharin, and Potassium Sorbate onto the surface of the liquid mixture while stirring continuously.
- Mix: Stir vigorously (using a magnetic stirrer or hand whisk) for 10-15 minutes until the Xanthan Gum is fully hydrated and a smooth, clear gel base is formed. Ensure there are no lumps.
Step 2: Incorporate Phase B (The Abrasive)
- Add Silica: Slowly add the Hydrated Silica to the gel base (Phase A) while stirring.
- Mix: Continue mixing until the silica is fully and uniformly dispersed. This will significantly increase the viscosity and transform the mixture into a thick paste. Scrape down the sides of the beaker frequently to ensure all powder is incorporated.
Step 3: Prepare and Add Phase C (Flavor and Foaming)
- Dissolve Flavor: In a separate 100ml beaker, combine the Glycerin and the Menthol Crystals/Peppermint Oil. Stir until the flavor component is fully dissolved.
- Add Surfactant: Add the Sodium Coco-Sulfate (SCS) Powder to the Glycerin/Flavor mixture and stir until a smooth slurry is formed.
- Combine Phases: Add the entire Phase C mixture to the main toothpaste paste (A+B).
- Final Mix: Mix thoroughly for 5-10 minutes until the flavor and foaming agent are completely homogenous within the paste.
Step 4: Final Adjustments
- Check the final pH. Toothpaste is typically formulated to be near neutral (pH 6.5–7.5). Adjust if necessary.
