Frequently Asked Questions

General Questions

Are all products on OstoSaj authentic?

Yes. We are committed to offering 100% authentic Korean skincare and beauty products. Our products are sourced from trusted suppliers and authorized distribution channels to ensure quality and authenticity.

Yes. We deliver to all districts across Bangladesh through trusted courier partners.

  • Inside Dhaka: 1–2 business days
  • Outside Dhaka: 2–5 business days

Delivery times may vary during public holidays or promotional campaigns.

Yes. You can place an order as a guest. However, creating an account allows you to track orders, save your addresses, and enjoy a faster checkout experience.

Orders & Payments

What payment methods do you accept?

We currently accept:

  • Cash on Delivery (COD)
  • MFS Transfer (Bkash, Nagad, Rocket)

Available payment options may vary depending on your location.

Once your order is shipped, you’ll receive a confirmation message with tracking details. You can also check your order status from your OstoSaj account.

Yes. Orders can be cancelled before they are shipped. Once dispatched, cancellation is no longer possible, but you may request a return if your order qualifies under our Return & Refund Policy.

If your order has not yet been processed or shipped, please contact our customer support as soon as possible. We will do our best to accommodate your request.

Product Information

How do I know which product is suitable for my skin?

Each product page includes detailed descriptions, ingredients, benefits, and usage instructions. If you’re unsure, feel free to contact our customer support for personalized recommendations.

Many of our products are formulated for sensitive skin, but every skin type is different. We recommend reviewing the ingredient list carefully and performing a patch test before first use.

Absolutely. Every product sold by OstoSaj comes with a valid expiry date and is inspected before shipping.

Store your skincare products in a cool, dry place away from direct sunlight and excessive heat. Always keep the lid tightly closed after use.

Shipping & Delivery

What if I receive a damaged or incorrect product?

Please contact us within 48 hours of receiving your order with clear photos or an unboxing video. After verification, we will arrange a replacement or refund according to our Return & Refund Policy.

Our courier partner will usually attempt delivery again or contact you. If the package is returned to us, our customer support team will assist you with re-delivery.

Yes. Delivery charges are calculated during checkout based on your delivery location and order value.

Returns & Refunds

Can I return a skincare product after opening it?

For hygiene and safety reasons, opened or used skincare and cosmetic products cannot be returned unless they are damaged, defective, or incorrectly delivered.

Approved refunds are generally processed within 5–10 business days, depending on your payment method.

Account & Support

How can I contact OstoSaj?

You can reach us through:

Our support team is happy to assist you with any questions or concerns.

Subscribe to our newsletter or follow OstoSaj on social media to receive updates on new arrivals, exclusive discounts, skincare tips, and seasonal promotions.

At OstoSaj, we are dedicated to providing:

  • 100% authentic Korean skincare products
  • Carefully curated beauty collections
  • Competitive pricing
  • Fast nationwide delivery
  • Secure payment options
  • Friendly customer support
  • A seamless online shopping experience

FAQ by Category

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We are always open to you, feel free to communicate with our team

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