Paying with HSA/FSA

What is Flex and what is their relationship with K18 Hair?

K18 Hair has partnered with Flex to allow you to use your Health Savings Account (HSA) or Flexible Spending Account (FSA). This means you can now use your HSA or FSA debit card to buy FutureIQ™ biomimetic hair longevity serum with pre-tax dollars, re

How do I pay with my HSA or FSA card?

To use your HSA or FSA debit card, add FutureIQ™ biomimetic hair longevity serum to your cart as usual. At checkout, select “Flex | Pay with HSA/FSA” as your payment option, enter your HSA or FSA debit card, and complete your checkout as usual. If yo

What if I don't have my HSA/FSA card available?

If you don’t have your HSA or FSA card handy, still select “Flex | Pay with HSA/FSA” as your payment method. Enter your credit card information and log in to the consumer portal at withflex.com/portal using the same email you used at checkout to down

Why is my HSA/FSA card being declined?

HSA/FSA cards are debit cards, and the most common reason for declines is insufficient funds. Reach out to your HSA/FSA administrator to confirm your balance.

I submitted my Flex itemized receipt for reimbursement and my FSA requires more information.

Please forward the request from your FSA to [email protected], and we will work with the Flex team to issue you a new receipt.

I didn't receive an email from Flex with my itemized receipt and/or letter of medical necessity. What should I do?

Please log in to the consumer portal at withflex.com/portal using the same email you used at checkout to download all the documents needed for the product you purchased. If you still need help, please email [email protected] and let them know the

I would like to use multiple HSA/FSA cards to pay for an item. Can I do that?

No, unfortunately, this isn’t a supported feature right now. If there are insufficient funds in a single HSA or FSA account, you can instead enter a credit card on the Flex checkout page. You can then log in to the consumer portal at withflex.com/por

Is sales tax covered by HSA/FSA funds, or is it treated separately?

Sales tax for eligible items is also covered by HSA/FSA funds. If you have a split cart, the tax will be divided among the cards based on the items.

What is a Letter of Medical Necessity?

Some products require documentation from a licensed healthcare provider stating that the item is necessary to treat or manage a specific medical condition. If the product requires a Letter of Medical Necessity (LOMN), Flex facilitates a chat-based te

Why do I need to provide K18 Hair with health information?

In order to qualify to use your HSA or FSA card for FutureIQ™ biomimetic hair longevity serum, the IRS requires you to have a Letter of Medical Necessity. K18 Hair has partnered with Flex to enable telehealth visits as part of our checkout. A license

Do I need to do anything with my Letter of Medical Necessity?

You should keep it on file for at least three years in the event of an IRS audit of your HSA or FSA account. Occasionally, FSAs may ask for the Letter to confirm the eligibility of your purchase.

I did not receive an itemized receipt and/or Letter of Medical Necessity from Flex. What should I do?

My HSA/FSA claim was denied. What should I do?

We strongly recommend checking with your HSA/FSA provider to see if a purchase is eligible prior to completing the purchase. However, if you believe your claim has been wrongly denied, please send over any response from your HSA/FSA provider to us so

How to file for HSA/FSA reimbursement?

Locate your HSA/FSA administrator (typically through your employer’s HR department or health insurance provider).Log in to your account on the administrator’s online platform.Navigate to the “Reimbursement” or “Claims” section.Upload your Letter of M

When should I expect to be reimbursed?

Reimbursement times vary but can take several weeks. For a specific timeline, contact your HSA or FSA administrator directly.

While checking out with HSA/FSA eligible products, it says the state I live in is ineligible.

Certain states - Louisiana, New Mexico, and Mississippi, have local and state laws limiting telehealth services. Flex is unfortunately unable to provide Telehealth Consultations and Letters of Medical Necessity to customers in these states.