FAQ
Frequently Asked Questions (FAQs)
Offline Mask
Can I sleep while wearing the sleep mask? Yes, you can. The mask is equipped with an automatic shut-off feature that turns the device off after 30 minutes of continuous operation. Please also be careful not to roll over in your sleep and accidentally press the on/off switch.
Is it safe to use the sleep mask multiple times a day? There is no specific upper limit for daily use. However, to avoid the risk of burns, please allow for a break of at least one hour between uses and do not use it continuously.
Can I use the sleep mask during pregnancy or breastfeeding? During pregnancy and breastfeeding, skin tends to be more sensitive. For safety reasons, please consult your doctor before use.
What is the "Fall asleep better or money back" guarantee? Sleep better or money back. We are convinced you will love the Offline Mask. If not, you can send it back to us within 30 days and get your purchase price refunded. Test risk-free.
I have an eye condition or have had eye surgery. Can I use the sleep mask? Please consult your doctor for your safety.
The USB cable is connected, but it is not charging. Why? Please ensure that you are using the provided charging cable. For safety reasons, always use only the provided cable for charging. Please note that malfunctions caused by the use of a third-party cable are not covered by the warranty.
How should I care for/clean the cover? Due to the nature of the fabric and dye, friction or washing may cause color transfer or fading. Use a mild detergent (or silk detergent) and gently wash the cover by hand. Do not wring it out forcefully; gently squeeze out excess water and let the cover air dry in the shade. Please also follow the washing instructions (care symbols) on the cover. Ensure the cover is completely dry before using it again.
Can I use the eye mask while it is charging? Absolutely. Glow is fully cordless, lightweight, and perfect for travel — whether it's a cozy cabin weekend, a long train ride, or extra warmth in your hotel room. Just charge it up before you go, and check airline battery policies if flying. (Note: The device generally cannot be used while actively plugged into the charger for heating).
How does the Offline Mask support the feeling of dry eyes? The Offline Mask uses gentle warmth to provide a soothing effect for eyes that feel stressed by long screen time or dry air. This warmth can help to liquefy the natural oils in the eyelid glands (meibomian glands), which are essential for a stable tear film. It’s a relaxing way to ease the "gritty" or heavy sensation in your eyes after a long day
Can the mask help with the appearance of dark circles? While dark circles can have many causes, a primary factor is often poor microcirculation or lack of rest. The gentle heat from the mask promotes local blood flow and helps you achieve a deeper state of relaxation. By supporting better sleep hygiene and boosting circulation around the eye area, the mask helps you wake up looking more refreshed and revitalized.
Why is the silk cover better for my skincare routine than other materials? Unlike cotton or synthetic fabrics, which are highly absorbent and act like a "sponge" for your face creams, our high-quality mulberry silk has a much lower absorption rate. This means your expensive moisturizers and eye serums stay on your skin where they belong, rather than being "stolen" by the mask.
Does the silk cover help maintain skin hydration? Yes. Silk is naturally composed of proteins and amino acids that are very similar to human skin. Because the material is so smooth and less absorbent, it creates less friction on the delicate eye area and helps the skin retain its natural moisture levels throughout the night, preventing the "dried-out" feeling often caused by traditional sleep masks.
How does the mask prevent "sleep creases"? The ultra-smooth surface of the mulberry silk allows the mask to glide over your skin rather than tugging at it. This reduces the mechanical stress on your face, helping to prevent the formation of temporary sleep lines and creases that can eventually lead to permanent wrinkles.
Kooshl Glow
Product Features & Technology
What is Kooshl Glow?
Kooshl Glow is a wireless, rechargeable heated cushion using advanced Graphene Far Infrared (FIR) technology. It's designed for consistent, soothing, and long-lasting warmth.
How does FIR heat feel and what makes it special?
FIR stands for Far Infrared Radiation – a natural form of warmth that gently heats you from the inside out, similar to sunlight, but without UV. Unlike traditional heating pads that blast surface heat, FIR warmth builds steadily and penetrates deeper, creating a calming, lasting sensation that feels more balanced and natural.
How long does Glow take to heat up and what temperature does it reach?
Glow begins warming in about 30 seconds. Thanks to Far Infrared technology, the warmth builds gradually and sinks in deeper over time, especially when cuddled close or placed under a blanket. Glow reaches up to 60°C (140°F) on its highest setting. It's designed to deliver satisfying warmth without harshness.
How long does Glow stay warm?
Glow lasts approximately:
~8 hours on Level 1 (50°C / 122°F)
~6 hours on Level 2 (55°C / 131°F)
~4 hours on Level 3 (60°C / 140°F)
Battery life can vary depending on the surrounding temperature, but Glow holds heat best when cuddled or tucked under a blanket. We call it Kooshl-time™ for a reason.
Do the different fabrics feel different in terms of warmth?
All Kooshl Glow styles feature the same advanced FIR heating technology and adjustable temperature settings for consistent warmth. Due to the unique properties of the materials, the sensation can vary slightly – smoother fabrics might offer a more direct sensation, while faux fur provides a deeply cozy, enveloped heat. Both effectively deliver the desired temperature.
Safety & Usage
Can I use Glow while it's charging?
Yes, Glow can be used while plugged in and charging. The included 2-meter (6.5 ft) charging cable gives you plenty of room to get comfortable. For maximum coziness and battery longevity, we still recommend unplugged cuddles whenever possible.
Is it safe to fall asleep with Glow?
Yes. Glow is designed to safely keep you warm while you rest. It includes overheat protection and a smart auto-cycle that gradually reduces heat (stepping down from Level 3 or 2 after 2 hours to a lower level, then turning off completely after 8 hours on Level 1).
Care & Travel
Can I wash the cover?
Yes, all Kooshl Glow covers are removable and machine washable. Simply unzip and wash on a gentle cycle (30°C / 86°F). The inner cushion should be spot-cleaned only and never submerged in water.
Can I take Glow on a plane / when I travel?
Absolutely. Glow is fully cordless, lightweight, and perfect for travel – whether it's a cozy cabin weekend, a long train ride, or extra warmth in your hotel room. It's powered by a rechargeable lithium-ion battery that typically falls within the safe range for air travel, similar to most personal electronics. That said, airline policies may vary, so we always recommend checking with your specific airline before flying. For carry-on, Glow is compact and easy to pack.
Other
What's included with Glow?
Each Glow arrives in a specially designed, gift-ready box – perfect for giving or keeping. Inside, you'll find:
1x Glow heated cushion
1x Removable cover
1x Kooshl Charger
1x user-friendly manual
Can Glow help with period discomfort or cramps?
Many Kooshl customers love using Glow during their cycle. While we don't make medical claims, the cushion's shape and soft heat make it ideal for soothing comfort when placed on your stomach, lower back, or anywhere else you need gentle warmth.