Glass Containers

Flint showcases colorless products; amber filters UV for light-sensitive formulations like serums and botanicals; cobalt and green double as brand identity. Color choice interacts with shelf life — light-sensitive fills need protective glass or secondary packaging.

Technical references: Regulation (EC) No 1935/2004 on materials intended to contact food

Neck finishes (24/410, 28/400, crimp 410/415...) pair with specific caps, droppers, sprayers, and pumps. Liner choice matters for liquids and oils. We match finish, closure, and liner to your formula viscosity and dosing.

Technical references: Oberk: Neck Finish Dimensions (bottles)

Dividers or molded inserts, controlled headspace, drop-tested shippers, and individually sleeved units for premium lines. We validate the complete packed unit — glass plus closure plus insert plus shipper — before release.

Technical references: ISTA: Getting Started with Design of Transport Packaging

Silk screen, ceramic firing for dishwasher-durable ware, acid etching and spray frosting, hot stamping, and gradient coatings. Decoration is specified by rub, dishwasher, and fill-line compatibility.

Glass is inert and widely used for both; compliance focus falls on closures, liners, and decorative coatings, which follow FDA or EU 1935/2004 rules by destination. Type III is the general-purpose default; Type I suits injectable-adjacent fills.

Technical references: FDA: Determining the Regulatory Status of Food Contact Substances · Regulation (EC) No 1935/2004 on materials intended to contact food

Glass is recyclable and reusable, and PPWR favors recyclable formats. Weight-driven freight carbon is the trade-off — lightweighting and regional recycled content are the levers we discuss for EU-bound programs.

Technical references: EU Packaging & Packaging Waste Regulation (EU) 2025/40