
Frequently Asked Questions
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The 50ml blue glass euro dropper bottle is the value size for hair oils, body and massage oils, beard oils and larger serums — products used by the dropper-full rather than the drop — and for brands that want a bigger bottle on the shelf next to their 30ml. Cobalt blue gives partial light protection and a striking shelf presence.
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Roughly 1,000 drops — a euro dropper insert releases about 20 drops per millilitre of a water-thin oil, and thicker carrier oils give fewer, larger drops. In practice a 50ml bottle is around 25 applications of a 2ml hair or body oil, or four to five months of a twice-daily serum. Tell customers the drop count on the label; it is the number they ask about.
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Partly — cobalt blue glass filters some visible light but lets more UV through than amber. It is chosen for its look as much as for protection; if the formula is UV-sensitive (essential oils, vitamin C), sell it in a carton or pick amber or black instead.
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This bottle takes a euro dropper insert with a screw cap — the orifice reducer sits in the neck and the oil comes out drop by drop when the bottle is tipped; there is no pipette. The cap comes in black and white. It is the format aromatherapy brands use because the cap seals the bottle for shipping.
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This one is built for transit: the euro dropper insert plus a screw cap seals the bottle, which is why essential-oil brands that ship single bottles prefer it over a pipette. Fill to the shoulder, cap firmly and pack upright.
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No minimum online — order one piece to check the fit, then buy in bulk when the formula is final. The price on this page steps down as the quantity goes up; from 500 pieces WhatsApp +91 75500 42423 and we quote the exact item and quantity directly. Printed or painted bottles start at 1,000 pieces and custom closures at 5,000, and every order comes with a GST invoice.
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No — they ship straight from the factory cartons, not pre-washed or sterilised. Wash the bottles, inserts and caps before filling: warm water with a mild detergent, rinse well, then sterilise (a 70% isopropyl-alcohol rinse, or hot water for the glass parts) and air-dry fully, necks down. Never fill a damp bottle.
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Yes — the 50ml dropper bottle also comes in amber, black, clear, frosted amber, frosted clear and green glass, in flat-shoulder shapes and with a gold crown cap, all listed in the serum and dropper collection. If you want a pump or spray on this size instead of a dropper, ask on WhatsApp with the SKU and we will match one to the neck.
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Yes — RENTRASPA dispatches the 50ml blue glass euro dropper bottle from Chennai to every state: Bangalore, Mumbai, Delhi, Hyderabad, Pune, Kolkata and tier-2 cities alike. In-stock orders leave within three working days. Order online with no minimum, or WhatsApp +91 75500 42423 for a wholesale quote; every order gets a GST invoice.