Samhwa 3.5g PETG & Aluminum Square Lipstick with Twist Up Mechanism, Frosted PETG Outer Case & Front-Fill Design

What this packaging is

A frosted PETG outer shell moulded directly onto an aluminum inner — no separate assembly, one seamless two-tone finish. The 3.5g PETG & Aluminum Square Lipstick delivers a 18mm × 18mm silhouette that stands apart from standard round formats, with an aluminum bullet cup that prevents formula staining and keeps the twist-up mechanism smooth over time. Made in South Korea, this component brings precision manufacturing heritage to lipstick, concealer, and lip balm applications. Silk screen print and heat stamping options mean brand expression is fully on the table. For brands ready to lead with tactile luxury, this square format makes a case the moment it's picked up.

Why brands choose this

• Overmolding eliminates assembly without sacrificing material drama: The frosted PETG outer is moulded directly onto the aluminum inner structure — creating a genuine two-tone material effect in a single tooling process. That means cleaner supply chain, tighter tolerances, and a premium finish that isn't just decorative.
• Square silhouette creates instant shelf differentiation: In a category still dominated by round lipstick tubes, the 18mm × 18mm footprint is inherently ownable. Frosted PETG diffuses light for a matte visual that reads as elevated on-counter and on-camera — a real advantage as lip product unboxing and flat-lay content continues to drive purchase intent.
• Aluminum mechanism signals quality from first touch: The twist-up bullet cup and mechanism are aluminum throughout — dimensionally stable, stain-resistant, and noticeably weighted in hand. That sensory payoff reinforces product quality before the consumer ever reaches the formula, which matters as tactile premiumization becomes a stronger driver across the lip category.

Decoration

Finishes