Capacity is decided by dose and by how long the product is expected to last, and the answer is usually narrower than people expect. The ranges below are what our stock moulds actually cover, cross-referenced against the product forms in the formula library.
| Retinol Serum | 5–100 ml/g across 319 stock moulds | Airless Bottles | 880 formulas |
| Vitamin C Serum | 5–100 ml/g across 319 stock moulds | Airless Bottles | 1,273 formulas |
| Niacinamide Serum | 10–120 ml/g across 329 stock moulds | Glass Bottles | 2,098 formulas |
| Hyaluronic Acid Serum | 10–120 ml/g across 329 stock moulds | Glass Bottles | 613 formulas |
| Peptide Serum | 10–120 ml/g across 329 stock moulds | Glass Bottles | 1,665 formulas |
| Bakuchiol Serum | 5–100 ml/g across 319 stock moulds | Airless Bottles | 391 formulas |
| Azelaic Acid Cream | 15–500 ml/g across 325 stock moulds | Cream Jars | 210 formulas |
| Ceramide Barrier Cream | 15–500 ml/g across 325 stock moulds | Cream Jars | 1,243 formulas |
| SPF Sunscreen | 20–100 ml/g across 341 stock moulds | Tubes | 6,658 formulas |
| Salicylic Acid Toner | 50–500 ml/g across 227 stock moulds | PET Screw-cap Bottles | 443 formulas |
| Glycolic Acid Toner | 50–500 ml/g across 227 stock moulds | PET Screw-cap Bottles | 336 formulas |
| Tranexamic Acid Serum | 10–120 ml/g across 329 stock moulds | Glass Bottles | 578 formulas |
| Eye Cream | 15–500 ml/g across 325 stock moulds | Cream Jars | 6,864 formulas |
| Clay Mask | 20–100 ml/g across 341 stock moulds | Tubes | 2,035 formulas |
| Cleansing Balm | 15–500 ml/g across 325 stock moulds | Cream Jars | 1,464 formulas |
| Micellar Water | 15–120 ml/g across 209 stock moulds | Lotion Bottles | 1,300 formulas |
| Body Lotion | 15–120 ml/g across 209 stock moulds | Lotion Bottles | 12,703 formulas |
| Shampoo | 100–500 ml/g across 208 stock moulds | Shampoo & Bath Bottles | 4,043 formulas |
| Hair Oil | 30–250 ml/g across 207 stock moulds | Aluminum Bottles | 3,320 formulas |
| Foundation & Skin Tint | 10–120 ml/g across 329 stock moulds | Glass Bottles | 576 formulas |
A face serum is dosed at roughly 0.3–0.5 ml per application. At two applications a day, 30 ml is a two-month bottle — which is the interval at which most brands want the customer buying again. Go to 50 ml and the repeat purchase moves out past three months; go to 15 ml and the perceived value drops faster than the cost saving.
A face cream is dosed at roughly 0.5–1 ml, which moves the useful range up to 50 g. Below 30 g the jar looks cheap next to the price you will want to charge; above 50 g the consumer will not finish it inside a sensible preservative window once it is open.
Body and hair products have no such constraint because the dose is an order of magnitude larger — 100–500 ml is normal, and the pack is chosen for the shower shelf rather than for the dose.
Because every mould here is already in production, the capacity you pick does not change the tooling position — there is no mould fee at any of these sizes. It does change the shipping cost per unit, because air freight is priced on weight and volume: moving a serum from 50 ml to 30 ml removes roughly a third of the pack weight and a comparable share of the carton volume.
Two practical notes. First, working capacity is not the same as nominal capacity: a 30 ml airless bottle is filled to about 27–29 ml so the piston has travel. Second, the pack and the formula have to agree on size before you go to a sample — a fill volume that is 10% off will change both the headspace and the pump stroke, and it is cheaper to fix on paper.
Use the capacity converter if you are working in ounces, or go straight to the library and filter by your size.
Send us the fill and we will come back with the pack, the decoration and one FOB price covering both, within 24 hours. 3134 moulds are in production — there is no tooling fee at any size.
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