Name: Tiam Vitamin C 24 Surprise Serum 30ml
Brand: Tiam
SKU: KSB-P0510
Price: 1700.00 BDT
Availability: InStock
Rating: 4.9 (10 reviews)

Question 1

Is this Tiam vitamin C serum authentic?

Accepted Answer

Yes, all Tiam products on koreanshopbd.com are sourced directly from authorized suppliers. Contact the team via Facebook or Instagram to verify before ordering.

Question 2

What is the current price in Bangladesh?

Accepted Answer

The current price is ৳1,700 at koreanshopbd.com, discounted from ৳1,900. COD is available with no advance payment required.

Question 3

How long does delivery take in Bangladesh?

Accepted Answer

Dhaka orders arrive in 1 to 2 business days. All other districts are delivered within 3 to 5 business days, with COD available.

Question 4

Is 22% vitamin C too strong for sensitive skin?

Accepted Answer

High-concentration pure ascorbic acid can cause initial tingling on sensitive skin. Start with every other evening use and build to daily use over two weeks. Following with a calming moisturizer helps reduce any initial sensitivity.

Question 5

Why is a water-free vitamin C serum better than a regular one?

Accepted Answer

Water accelerates the oxidation of pure ascorbic acid, causing it to turn orange and lose potency before the product is finished. A water-free base eliminates this problem entirely, keeping the 22% concentration active and effective from first to last use.

Question 6

Can I use this serum with niacinamide or retinol?

Accepted Answer

Use this serum in the morning and retinol in the evening to avoid layering. Niacinamide can be used after this serum in the morning routine — modern formulations of the two actives are safe to layer without conflict.

৳ 1700 ৳1900

৳ 1700 ৳1900

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