30ml Serum Bottle（JH-181S）

This 30ml classic straight round glass bottle features a minimalist and fashionable cylindrical design that never goes out of style. With smooth bottle lines, neat overall proportion and a delicate visual texture, it presents a clean, high-end and versatile packaging effect, perfectly fitting the aesthetic positioning of modern skincare brands. The moderate capacity is ideal for filling facial essences, plant essential oils, concentrated serums and other high-value liquid products, suitable for official retail, trial packaging and daily storage.
The bottle is equipped with a premium 20-thread full-plastic double-layer dropper set with complete and standardized accessory configuration. The outer cover adopts high-quality AS/MS material, which features high transparency, strong hardness and excellent impact resistance, effectively protecting the internal structure while maintaining a neat and beautiful appearance. The threaded cap is made of durable PP material, ensuring tight thread fitting, stable assembly and no loosening during long-distance transportation and daily use.
Matched with high-elastic NBR rubber cap and standard 20# PE guide plug, the whole sealing system provides outstanding airtight and leakproof performance. It can effectively isolate external air, dust and moisture, prevent internal skincare liquid from oxidation, volatilization and deterioration, and fully retain the activity of essence and essential oil ingredients. Equipped with a 7mm round-head low-borosilicate glass tube, the dropper owns stable chemical inertia, high light transmittance and safe material properties, which will not react with cosmetic ingredients, ensuring clean and hygienic liquid extraction every time.
The optimized double-layer full-plastic dropper structure ensures smooth pressing and accurate liquid control, effectively avoiding product waste and bringing users a precise and convenient using experience. With exquisite craftsmanship, safe material selection and classic and versatile appearance, this 30ml straight round bottle is an excellent cost-effective packaging solution for skincare brand mass production, private label customization and cross-border wholesale.