Here are some frequently asked questions which are some common concerns from our customers before and after purchasing our color lenses,
if you have other questions, please just send it to
  • Do I have to pay the customs tax?

      "We are aware that in some countries the customs can request to pay extra customs fees to receive a package. To avoid this situation to our customers: We do not include the invoice in the package and we send the package as a ‘Gift’. Unfortunately, despite our best efforts, sometimes the customs can still ask you to pay for taxes. Please note that we are not responsible for the taxes. If you refuse to receive the package after it is shipped out, please understand that the carrier will discard the package and you will not be refunded. Additionally, we would like to inform you that orders received in the UK are systematically taxed. We are also aware that taxes in Brazil are very expensive and they can even be more expensive than your order if you order only 1 or 2 items. "

  • Can I return a product after I receive the package?

      Unfortunately contact lenses are a medical device so we can never accept the return of your products after you received the delivery and thus for any reason. If you picked the wrong color or the wrong power and you realized after receiving the package, we should kindly ask you to re-order the products with the correct options. Additionally, unsatisfaction of the color, diameter are also not acceptable for returns. Orders returned without our confirmation will not be compensated, even if you have paid for the returning shipping fee.

  • Do you have a wholesale service?

      For wholesale inquiries, please email our team at, we will get back to you within a week.

  • Do you accept cash on delivery?

      We do not offer cash on delivery. You need to pay for your order first so we can proceed your order.

  • My order status says 'Unfulfilled', what does it mean?

      "Your order will be displayed at 'Unfulfilled' until your package is sent out and you will receive your tracking number by email. Unfulfilled only means that we are still preparing your order :)"

  • I did not receive my order confirmation email, what should I do?

      "Sorry to hear that you did not receive your order confirmation email.  If you did not receive it, please check your spam folder (it often happens with yahoo, hotmail and QQ addresses). Another reason may be that you made a typo when you wrote your email, if that is the case, please email us and give use the following info so we can identify your order: Your name and delivery address for the order. We can also identify your order if you provide the proof of payment. "

  • I have a different prescription for each eye, how can I order?

      At the moment we only sell lenses by pairs of the same power. So if you need different power for each eye, you should order 1 pair of each prescription.

  • What payment method do you accept?

      We accept payment with Visa, Master card credit/debit cards, Amex, Paypal, and Paymentwall(e-wallets).

  • What is the currency on the website?

      We only accept payment in Singapore dollars (SGD) on

  • How can I submit my prescription?

      Please place your order before you submit your Rx, there will be a button on the order confirmation page. Please note that we only have to verify your Rx if you are located in the USA 🗽

  • I do not have an Rx, can I still order?

      "We can still process your order without a prescription if you provide one of the following: 1. Old prescription 2. A picture of your current lenses where we can see the prescription info. 3. Your eye doctor's contact info (Name and phone number)"

  • How can I cancel my order?

      Sorry to hear you want to cancel your order 😢You cannot cancel it yourself, you need to contact us to do it. Please note that we can accept cancellations within 6 hours after payment. After this time we may or may not be able to cancel your order depending on the preparation status.

  • How can I change the delivery address?

      If your order has not yet shipped, please contact us immediately to Please note that we are not responsible for extra charges and lost package if the issue is due to the wrong info provided by the customer.

  • How can I change my order?

      We kindly ask customers to double check their order before paying. If you made a mistake, please le us know within 6 hours after payment, after this delay, we may or may not be able to change your order before it ships.

  • I made an order but I didn’t receive a tracking number, what should I do?

      Once you make a purchase, you will receive 2 different emails from us. The first email will be your confirmation email, letting you know that we have received your order. The second email will be sent when we have shipped out your package. It takes about 1-2 business days to prepare an order.

  • Can I get a refund through Paymentwall?

      Unfortunately no, we could not provide you a refund if you place your order through Paymentwall payment method. We could only provide you a refund through our store credit. Please contact our customer service for further information.

  • How to get notification about new products or event from Hapa Kristin?

      To know when our next event is up, create your account here (You will also receive a discount code!):

  • I received a defective product, what should I do?

      We are so sorry about that, please note like for all contact lenses, there is a small chance that you receive a defective product. If you do, please do not try the contact lenses! Take a picture of the lens where we can clearly see the issue and a picture of the LOT number (on the packaging box or on the single-use lens case) and email it to us at with your order number within 30 days of purchasing the product. After receiving the information and checking with our supplier, if the lenses were defective we can offer you a store credit or a replacement. Please do not throw away the product as we cannot help you without receiving a photo of the defective lens.

  • What power range do you have?

      All our lenses are available from power -0.00 to -8.00 . At the moment we only sell lenses by pairs of the same power so if you need different powers, you should order 1 pair of each prescription. Unfortunately we do not have contact lenses for astigmatism.

  • How long can you use the lenses?

      At the moment we have monthly and daily lenses available only. Monthly (1 pair) can be used as many time as you want for 30 days after opening. Daily lenses (5 pairs) can be used 1 time and should be discarded at the end of the day.

  • What is the shelf life of Hapa Kristin lenses?

      The shelf life of our lenses is 5 years after the manufacturing date. Our current stocks shelf life is between 2-5 years.

  • How much are Hapa Kristin lenses?

      Our Daily lenses (5 pairs) are 24SGD. Our monthly lenses (1 pair) are 30 SGD.

  • What is the diameter of Hapa Kristin lenses?

      "When it comes to diameter for color lenses, there are 2 types of diameters to take into account. 1. ** The overall diameter ** We have only 14.0mm and 14.2mm lenses. This size will fit 80% of the world population. So if this is your first time wearing lenses, there's a good chance it will fit comfortably. If you have a doubt, only your eye doctor or optometrist can check your eye measurement and let you know what diameter you need. 2. ** The graphic diameter ** This is the colored area of the contact lens. the higher the value, the more striking will be the look."

  • Do you have lenses for astigmatism?

      We do have contacts for astigmatism. We toric contacts with CYL 1.25 & 1.75. (

  • What is the power?

      The power, is the level of vision correction. If you don't need prescription glasses to see, then you should pick the power 0.00

  • I received the wrong product, what do I do?

      We are verry sorry about that! If you received the wrong order, please contact us at with a photo of the product you received within 14 days of receiving the product. After checking the order, we will send out the correct products to you ASAP. Please note that we cannot send out any replacement order after the 14 day period.

  • Do you have an offline store?

      Currently we have 2 offline stores in South Korea and we might open more offline stores in the future. Hongdae : 76-1 Eoulmadang-ro, Mapo-gu, Seoul, South Korea Apgujeong : Apgujeong-ro 50-gil, 23, Gangnam-gu, Seoul, South Korea

  • Where are you located?

      We are based in Seoul, South Korea. We ship to all Southeast Asia countries. We provide 2 type of shipping method : Express Shipping & Standard Shipping. Express shipping takes 2-5 business days and standard shipping takes 5-10 business days.

  • Extra charges at my bank?

      Sometimes when customers use a debit card, some particular bank charges currency exchange fees. Around 1~3 SGD.

  • What does HapaKristin mean?

      HapaKristin was named by the creator of the brand who self identifies as an Hapa(which is a term for mixed ethnic heritage with partial roots of Asian ancestry) and chose the name to spread awareness for positive identity formation and self-image for multiracial people like himself. HapaKristin's slogan is 'Who are you today?' which is a message that identity is a personal process and choice, not made by a community or others, so you can be whoever you want to be!

  • Is HapaKristin FDA approved?

      HapaKristin uses patented PVA to create contact lenses, with superior moisture control and biofriendly materials. All HapaKristin Lenses are under strict regulation of Korea FDA and approved by KGMP, CE, ISO13485 and CFDA in accordance with each country's regulation.

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