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Kiierr International LLC is a US-based webshop specialising in laser hair growth technology, offering FDA-cleared laser caps that use low-level light therapy to address hair thinning and hair loss. The company targets both men and women experiencing various forms of hair loss and positions itself as a clinically grounded, at-home alternative to more invasive treatments.

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At a glance

About Kiierr International LLC

Shipping time
2 to 3 business days
Free shipping
Free within the US
International shipping
$55 USD plus customs fees
Shipping partners
USPS Priority and FedEx
Return period
210 to 240 days (7-month growth guarantee)
Warranty
2 years from delivery date
Customer service hours
Monday to Friday, 9am to 5pm MST
Main product category
Laser hair growth caps and scalp wellness
Kiierr operates in the premium segment of the at-home hair restoration market, with a product range built around red light laser cap technology and supported by dermatologist recommendations and FDA clearance. The typical customer is an adult dealing with pattern baldness, thinning hair, or stress-related hair loss who prefers a hands-free, self-administered solution over clinical visits. The company backs its products with a seven-month money-back guarantee, provided users register and document their progress with photos, which sets a relatively high bar for transparency in a category not always known for it. Beyond laser caps, Kiierr also sells supplements, skincare products, and hair growth tools, making it a broader hair and scalp wellness brand rather than a single-product shop.
June 2026

Active promotions

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Free gift added to the order when a minimum number of items is reached in the shopping cart.
To the shop
Seasonal sale event with reduced prices on selected laser caps for a limited period.
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Recent

Kiierr International LLC in the news

Recent updates and background about Kiierr International LLC, summarised in our own words.

Kiierr International LLC

Kiierr Laser Cap Hair Growth System

Kiierr promotes its FDA-cleared laser cap as a solution for hair thinning, using low-level light therapy technology. The product page highlights how the system works and who it may benefit.

Kiierr International LLC

272 DualWave Cap: Dual-Wavelength Red Light Therapy

The 272 DualWave Cap applies dual-wavelength red light therapy and is presented as a step up for users seeking faster or more comprehensive regrowth results. The product is FDA-cleared and designed for home use.

Kiierr International LLC

312 MD DualWave: Most Advanced Laser Cap in the Range

The 312 MD DualWave Laser Cap is Kiierr's most advanced model, featuring 312 laser diodes and dual-wavelength technology for users with more severe hair loss. It is FDA-cleared and intended for those seeking the fastest results in the product lineup.

Summaries by Image Review based on publicly available sources and our own editing. External links may contain affiliate links.

Frequently asked questions

What others ask about Kiierr International LLC

Answers to the most common questions, based on search behaviour and our own research.

Is Kiierr International LLC a reliable webshop?

Kiierr reports over 100,000 customers and offers FDA-cleared laser caps backed by a seven-month money-back guarantee. The company provides same-day email responses during business hours and also offers live chat support on its website.

What is the return policy at Kiierr?

Kiierr offers a seven-month growth guarantee: if no hair growth is seen after 210 days of consistent use, customers can return the product within 210 to 240 days for a refund. A 25% restocking fee applies unless the customer has provided seven months of photo documentation, and registration with a before photo is required within 45 days of receiving the product.

How long does shipping take and is there free delivery?

Orders are shipped within 2 to 3 business days via USPS Priority or FedEx. Shipping within the United States is free, while international shipping costs $55 USD plus any applicable customs fees.

What warranty does Kiierr offer on its laser caps?

Kiierr provides a two-year warranty starting from the delivery date, covering defects in materials, workmanship, and product failures under normal use. Damage from misuse, accidents, or normal wear and tear is not covered.

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