Preservative Efficacy (Challenge) Test in Kolkata
Lab Testing · photo is for reference. Samples on request.
Quality checked
Every batch
GST invoice
Claim input credit
To Kolkata
Report in 30 days
Ships from
Nearest partner
ServiceTesting or making. We confirm the price and time.
Checks your preservative kills bacteria and fungi over 28 days (ISO 11930 / USP 51).
approx.₹11,500.00/ test · excl. GST
Per testQuote within 24 hours Report in 30 days
Approx. bulk prices
| Quantity | Price per test |
|---|---|
| 1 – 2 tests | ₹11,500.00 |
| 3+ tests | ₹10,500.00 |
Frequently bought with Preservative Efficacy (Challenge) Test by skincare brands
ServiceStability Test (3 months)
Checks your product stays safe and stable. Report in 12 weeks.
approx. ₹18,000 / test
Per test
Report in 84 days
ServiceMicrobial Test
Bacteria, yeast and mould count, and harmful germs.
approx. ₹3,500 / test
Per test
Report in 7 days
Service
ServiceDermatologist Patch Test (25 people)
Proves your product is skin-safe. Needed for many claims.
approx. ₹22,000 / test
Per test
Report in 21 days
Questions founders ask
What should I share to get a quote for Preservative Efficacy (Challenge) Test?
Pick the options above (standard), the quantity and your delivery city. Add any special needs in the notes on your requirement list.
Can I get a sample first?
Yes. Mention “sample first” in your requirement notes. We send a sample before the bulk order where the product allows it.
What documents come with the order?
A GST invoice always. A signed lab report from an approved lab.
How long does delivery in Kolkata take?
About 30 days to Kolkata after payment.