An approved laboratory sunscreen must still prove it can be manufactured repeatedly. Scale-up translates small operations into industrial equipment, time and energy.
Why this matters in a sunscreen project
A responsible brief aligns performance, user experience, manufacturing, packaging, documentation and market requirements. Commercial statements should only be finalised when the evidence matches the finished product.
Critical process parameters
Addition order, temperature, peripheral speed, shear, vacuum, cooling and time can change droplet size, dispersion and rheology.
Equipment geometry
Industrial homogenisers do not reproduce laboratory equipment linearly. Operating ranges should be based on product behaviour.
Sampling and homogeneity
Samples from defined points confirm uniformity before filling, including attributes relevant to filters and pigments.
Prototype comparability
The pilot is compared with the approved standard for physical, sensory and packaging behaviour before commercial release.
Briefing checklist
- Master process
- Available equipment
- Critical ranges
- Sampling plan
- Bulk specifications
Frequently asked questions
Can a beaker batch go directly to commercial scale?
That increases risk; a controlled pilot confirms the process.
Does more mixing always improve dispersion?
No. Excess energy can alter structure or create other issues.
Can process affect SPF?
Yes, if it changes homogeneity, dispersion or film behaviour.
Development and manufacturing with OKT GLOBAL
OKT GLOBAL integrates R&D, quality, regulatory support, packaging, scale-up and manufacturing in Spain under UNE-EN ISO 22716 certified by Bureau Veritas.