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The Science of MOQ: Why 100kg for Skincare vs. 10kg for Makeup?
In Custom Formulation (OEM), our Minimum Order Quantities (MOQ) are dictated by the physics of our machinery, not just economics.
You might notice a difference in our requirements:
- Skincare OEM: ~100kg per formula.
- Makeup OEM: ~10kg per shade.
Here is the technical explanation of why we cannot go lower without compromising quality.
1. The “Blender” Physics (Why Skincare needs 100kg)
Skincare manufacturing involves Emulsification—forcing oil and water to mix at high speeds (3,000+ RPM) under heat.
- The Tank Problem: Our industrial vacuum emulsification tanks are designed for large volumes (300kg – 1,000kg).
- The “Minimum Fill” Level: Just like a kitchen blender cannot blend a single strawberry (the blade spins in empty air), our industrial paddles and homogenizers need a minimum volume of liquid to create the necessary Vortex and shear force.
- The Risk of Low Volume: If we try to make 20kg in a 300kg tank:
- The blades won’t fully submerge.
- Air bubbles will get trapped (oxidation).
- Result: The cream will be Unstable. It might look fine day one, but it will separate (oil floating on water) within weeks. 100kg is the safety threshold for stable emulsification.
2. Why is Makeup different? (10kg per shade)
Color cosmetics (Lipsticks, Foundations, Concealers) use a different manufacturing process focused on Color Dispersion.
- Smaller Equipment: We process makeup pigments using Three-Roll Mills and smaller, specialized heating kettles. These machines are designed to handle smaller, concentrated batches of color.
- The Workflow: We can create a large “Base” (e.g., 50kg of clear lipstick base) and then split it into smaller buckets to add different pigments (10kg Red, 10kg Nude, 10kg Pink). This allows for lower MOQs per shade compared to skincare.
3. The “Loss Ratio” (Pipes & Filters)
Every manufacturing run has “Dead Volume”—product that gets stuck in the pipes, pumps, and filters during transfer.
- Fixed Loss: We typically lose 1kg – 2kg of product in the machinery regardless of batch size.
- The Math:
- In a 100kg batch, losing 2kg is just 2% (Acceptable).
- In a 10kg skincare batch, losing 2kg is 20% (Wasteful).
- Running tiny batches of skincare creates massive waste, driving your cost-per-unit to an unreasonable level.
Summary: We set our MOQs at 100kg (Skincare) and 10kg (Makeup) to ensure your product is Homogenous (perfectly mixed), Stable (won’t separate), and Cost-Effective.