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Since it's open enrollment season for your insurance plan, you're probably searching the words "FSA" or "HSA" a lot, right? And if you already have an FSA or HSA and think you know everything, I'm about to blow your mind. You can actually use your FSA or HSA to shop some of your favorite beauty, health and wellness products at Amazon. I know — it's absolutely wild.

Since discovering this little-known secret, I've been able to stock up on beauty products from brands like Supergoop! and Hero Cosmetics. Obviously, not all of your favorite products will be FSA or HSA eligible on Amazon — but it's super easy to find out. Just head over to Amazon's HSA and FSA eligible section and search for your favorites. Make sure to use your FSA or HSA card at checkout and then you're done!

From celeb-favorite beauty products to pimple patches and so much more, keep scrolling to see what you can buy from Amazon with your FSA or HSA card.

1. Sunscreen

• Supergoop! PLAY Everyday Lotion SPF 50 PA++++, $21.08

• EltaMD UV Clear SPF 46 Tinted Face Sunscreen, $41

• COOLA Organic Mineral Sunscreen Tinted Lip Balm, $18

• Coppertone SPORT Sunscreen Spray SPF 50, $12.97

• Supergoop! PLAY Lip Balm with Acai, $12

• DRMTLGY Tinted Moisturizer with SPF 46, $27.95

2. Skin care

• Neutrogena Ultra Gentle Hydrating Daily Facial Cleanser for Sensitive Skin, $5.49

• CeraVe Moisturizing Lotion for Itch Relief, $16.97

• Mighty Patch Original from Hero Cosmetics, $21.99

• Differin Gel, $14.89

• CeraVe SA Cleanser, $9.87 (Orig. $12.49)

• La Roche-Posay Effaclar Dermatological 3 Step Acne Treatment System, $29.99

• Rael Miracle Microcrystal Spot Cover, $11.99

• PanOxyl Acne Foaming Wash, $9.48

3. Wellness products

• Kanjo Premium Acupressure Mat and Pillow Set for Back Pain Relief & Neck Pain Relief, $79.99

• Eye Mask by TheraPearl, $13.20

• dpl IIa-Professional Wrinkle Reduction and Acne Treatment Light Therapy, $399

• Sunbeam Heating Pad for Back, Neck, and Shoulder Pain Relief, $14.98 (Orig. $24.99)

• HealthSmart Essential Oil Diffuser, $21.99

• Kanjo Acupressure Neck Pain Relief, Cervical Traction Wedge Pillow, $39.99

4. Air purifiers and humidifiers

• Westinghouse 1702 HEPA Air Purifier, $369.99

• HealthSmart Travel Mate Personal Ultrasonic Small Personal Cool Air Mist, $15.44

• Westinghouse 1804 Patented NCCO Technology Portable Air Purifier, $129

• Crane 2 in 1 Personal Steam Inhaler & Warm Mist Humidifier, $49.99 (Orig. $54.99)

• Westinghouse 1701 HEPA Air Purifier, $229.99 (Orig. $249.99)

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