Actually, all materials used in cosmetic packaging should be non-toxic and safe. Below, we will explain from six aspects.
1. Bottles (including plastic and glass bottles)
1.1 The bottle body is complete, stable, straight, smooth, and has a basically uniform thickness. There are no cold explosions, cracks, obvious scars, or deformations.
1.2 The bottle mouth should be straight and free of burrs. The matching structure (such as threads) should be in good condition and upright.
The inside and outside of the bottle are clean.
1.4 The bottle and lid are tightly matched, without sliding teeth, looseness, and leakage.
2. Bags (including paper bags, plastic bags, and composite bags)
2.1 There should be no wrinkles, scratches, or bubbles, and the color should be consistent with the standard sample.
2.2 The seal should be firm, upright, and free from openings, holes, and leakage of paste (liquid).
2.3 The composite bag is firmly composite and the coating is uniform.
3. Hoses
3.1 The tube body is smooth, neat, with uniform thickness, no obvious scratches, and the color is consistent with the standard sample.
3.2 The seal should be firm and should not be opened or folded.
3.3 The cover plate should meet the requirements.
4. Boxes (including paper boxes, plastic boxes, and iron boxes)
4.1 The sub surface is smooth and upright, without obvious scratches and burrs. The color is uniform and consistent with the standard sample.
4.2 The looseness is suitable and meets the test requirements.
The mirror inside the box and the contents are firmly attached to the box, with a good mirror image. No scratches or damage.
5. spray tank
5.1 The tank body is flat, without rust, with smooth welds and no obvious scratches on the main parts. The color is uniform and consistent with the standard sample.
5.2 The roller mouth should be smooth and free from cracks and deformation.
5.3 The cover plate should meet the requirements.
5.4 Pump type spray box shall meet relevant requirements.
6. Ingot tube
The end of the pipe should be smooth and uniform.
6.2 The tube body is suitable for air tightness, and the paste should be spun out or pushed out normally.