radiation therapy must haves
Skip itA small market ($39K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$23.59avg listing price — sweet spot $15–$100
Returns
Great1.5%return rate — above 6% kills the launch gate
Price range
Great$7.18–$39.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+28.7%90-day search growth — must beat 0% to launch
Conversion
Okay4.0%search→purchase rate — share of searches ending in a sale
Brand share
Okay81%top-5 brand share — brands hold most of the demand
Review moat
Okay2,422.15avg incumbent reviews — the moat a new listing must climb
Competition
Okay63%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$39K$39K/yr · 41K searches
Competition
The top 5 products take 63% of clicks — established leaders, but buyers still shop beyond them.Brands
13 rising
Sellers
21
Top-5 brand share
81%
Open market
15%
- ONLYCARE51%
- sticro10%
- UltimateVitality9%
- Lindi Skin6%
- PhysAssist5%
- WellWear4%
- Open — no brand owns it (7 brands, 15%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ONLYCARE Migraine Relief Cap Upgraded Headache Relief Cap with Odorless Reusable Gel Head Wrap Soothing Face Ice Pack Mask Products with Hot & Cold Therapy for Tension Stress Hangover & Puffy Eyes
ONLYCARE$16.064.6★7,291 rev
ONLYCARE Migraine Relief Cap Upgraded Odorless Migraine LCE Head Wrap Headache Relief Hat for Migraine
ONLYCARE$17.264.6★6,680 rev
sticro Form Fitting Heated Headache Cap 3 Temp Settings Steam Migraine Hat Heated Eye Mask for Dry Eyes Sinus Pressure Relief Tension Headache (Large)
sticro$30.894.4★156 rev
ONLYCARE Migraine Relief Cap and Neck Ice Pack Wrap Gel Set Upgrade Headache Relief Cap and Shoulder Cold Pack Hot and Cold Compress FSA - HSA Eligible Relief of Pain Swelling Office Pressure
ONLYCARE$34.734.6★522 rev
UltimateVitality Unscented Radiation Burn Relief Cream Calendula Cream for Radiation Patients Natural Organic Paraben Pthalate Free - 6 ounces
UltimateVitality$29.404.6★1,648 rev
Newest
by launch date
ONLYCARE Migraine Relief Cap Soothing Headache Ice Face Pack Mask Headache Relief Hat for Migraine Relief Cold Compress Head Wrap for Sinus Tension Stress & Hangover Self Care Gifts for Women
ONLYCARE$14.666,680 rev
InnoBeta Radiation Therapy Gifts Gifts on Birthday and Christmas One Size Crew Socks
InnoBeta$15.0514 rev
ONLYCARE Migraine Relief Cap and Neck Ice Pack Wrap Gel Set Upgrade Headache Relief Cap and Shoulder Cold Pack Hot and Cold Compress Relief of Pain Swelling Office Pressure
ONLYCARE$35.38522 rev
ONLYCARE Migraine Relief Cap and Neck Ice Pack Wrap Gel Set Upgrade Headache Relief Cap and Shoulder Cold Pack Hot and Cold Compress FSA - HSA Eligible Relief of Pain Swelling Office Pressure
ONLYCARE$34.73522 rev
ONLYCARE Migraine Relief Cap Upgraded Headache Relief Cap with Odorless Reusable Gel Head Wrap Soothing Face Ice Pack Mask Products with Hot & Cold Therapy for Tension Stress Hangover & Puffy Eyes
ONLYCARE$16.067,291 rev
Trending
90-day click momentumONLYCARE Migraine Relief Cap Soothing Headache Ice Face Pack Mask Headache Relief Hat for Migraine Relief Cold Compress Head Wrap for Sinus Tension Stress & Hangover Self Care Gifts for Women
ONLYCARE$14.664.6★
sticro Form Fitting Heated Headache Cap 3 Temp Settings Steam Migraine Hat Heated Eye Mask for Dry Eyes Sinus Pressure Relief Tension Headache (Large)
sticro$30.894.4★
BeeCure Radiation & Laser Skin Care Cream - Calendula Cream and Natural Buckwheat Honey Hydrating Skin Moisturizer to Soothe and Calm Skin After Sunburn or Skin Redness for Sensitive Skin - 2 fl oz
BeeCure$29.894.3★
WellWear Hot/Cold Reusable Gel Bead Pack
WellWear$7.184.2★
Radiation Burn Relief Spray - Calendula Spray for Radiation Treatment Unscented Fragrance Free Natural Organic Plant Based Moisturizing Soothing Relief for Itchy and Sensitive Skin 4 ounces
UltimateVitality$38.174.7★
Demand
Weekly Amazon search volume, last 21 weeks — +28.7% search growth over the last 90 days.Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“The product is well made”
“good value for money”
“The fit is comfortable”
“does work”
“Comfort and quality”
“easy to use”
“gentle it feels on the skin”
“feels moisturizing”
“It truly works”
“stays cold from the fridge for awhile”
What buyers complain about
“Does not stay cold for long at all”
“The neck wrap is a little small”
“Odd smell”
“not make it for heat”
“the material is noticeably thinner”
“expensive”
“Why go cheap when you had a great product before”
“Falls apart after 5 uses”
“Doesn't work”
“One week in, I was showing lots of redness and irritation”