Product size:10ml+20ml/10ml+30ml

✅ Twist‑switch dual‑chamber design: Rotate to switch different formula chambers, two ingredients keep fully separated before dispensing, prevent premature oxidation of VC, retinol and sensitive actives.

✅ Straw‑free airless piston system: Minimize liquid residue inside bottle, leak‑proof performance, suitable for cross‑border logistics.

✅ Premium med‑cosmetic appearance: Transparent outer shell shows dual‑chamber visual effect, ideal for functional skincare & clinical‑style product lines.

✅ Full customization options: Custom body color, silk‑screen printing, hot stamping, surface finish and new mold development for brand exclusive packaging.