Frequently Asked Questions
Find answers to common questions about our lenses and services
Are Hapa Kristin lenses safe to wear?
Yes, all our lenses are manufactured in ISO-certified facilities and approved by relevant health authorities to ensure safety, comfort, and high-quality vision.
Do I need a prescription to order?
Yes, color contact lenses are medical devices. We recommend having a valid prescription from an eye care professional to ensure the correct fit and power for your eyes.
How long can I wear one pair of lenses?
Usage depends on the specific product type (Daily, Monthly, or Yearly). Please check the product description and never exceed the recommended replacement cycle.
How should I care for my contact lenses?
Always wash your hands before handling lenses. Use only fresh multipurpose disinfecting solution for cleaning and storage; never use tap water or saliva.
Can I change my order after it has been placed?
Orders are processed quickly to ensure fast delivery. Please contact our support team within 2 hours of placement if you need to make any modifications.
What is the water content of your lenses?
Our lenses typically feature a water content between 38% and 54%, depending on the material, designed to balance hydration and oxygen permeability.