zostrix
Skip itA small market ($8K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Avg price
Incredible$24.60avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Great$9.80–$49.85cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Competition
Bad72%top-5 click share — a locked-up shelf
Review moat
Bad7,178.5avg incumbent reviews — the moat a new listing must climb
Growth
Bad-9.2%90-day search growth — must beat 0% to launch
Conversion
Bad1.4%search→purchase rate — share of searches ending in a sale
Market size
Bad$8K$8K/yr · 24K searches
Competition
The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.Brands
10 falling
Sellers
96
Top-5 brand share
79%
Open market
15%
- Globe31%
- RUGBY LABORATORIES19%
- Capzasin12%
- CAPZIX CREAM10%
- Approved Science7%
- Voltaren6%
- Open — no brand owns it (4 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Globe (3 Pack) Capsaicin 0.1% High Potency Pain Relief Cream Unscented (2 oz) Deep Penetrating Relief from: Arthritis Muscle Joint and Back Pain
Globe$18.074.1★1,456 rev
PACK OF 3 EACH CAPZASIN-HP CREME 1.5OZ PT#31192675142
Capzasin$43.984.2★280 rev
Rugby High Potency Capsaicin 0.075% Cream - Pain Relief Cream for Arthritis - 2 Oz (57g) (1 Pack)
RUGBY LABORATORIES$9.804.1★747 rev
Capzix Cream for Pain Relief 2 OZ Capsaicin .1% High Potency/ Maximum Strength
CAPZIX CREAM$13.973.8★1,200 rev
Rugby Capsaicin 0.025% Cream for Penetrating Pain Relief - 2.1 Oz (60g) (3 Pack)
RUGBY LABORATORIES$17.264.2★3,702 rev
Newest
by launch date
QYGCHUSIN Capsaicin Neuropathy Relief Cream with Arnica Menthol MSM & Glucosamine Soothing Cream for Feet Hands Legs Joints Waist & Muscles 100g 2pack
QYGCHUSIN$26.0930 rev
ThermaCare Arthritis Pain Relief Roll-On - Capsaicin Pain Relief for Joint & Muscle Pain - Warming Topical for Arthritis Stiffness & Aches - Mess-Free Roll-On for Daily Comfort Use - 2.5 oz
ThermaCare$17.18448 rev
Approved Science Zosterex - Extra-Strength L-Lysine 1000mg Vitamin B Complex Zinc - Immune Support & Cold Sore Treatment - 60 Vegan Capsules - 1 Bottle
Approved Science$49.8551 rev
Globe (3 Pack) Capsaicin 0.1% High Potency Pain Relief Cream Unscented (2 oz) Deep Penetrating Relief from: Arthritis Muscle Joint and Back Pain
Globe$18.071,456 rev
Nervive Pain Relieving Cream Nervive Pain Relief Max Strength Formula Lidocaine Cream Lidocaine Topical Foot Pain Leg Pain Hand Pain Non-Greasy 3.0z
Nervive$11.355,366 rev
Trending
90-day click momentumQYGCHUSIN Capsaicin Neuropathy Relief Cream with Arnica Menthol MSM & Glucosamine Soothing Cream for Feet Hands Legs Joints Waist & Muscles 100g 2pack
QYGCHUSIN$26.093.2★
Voltaren Arthritis Pain Gel for Powerful Topical Arthritis Pain Relief with Diclofenac No Prescription Needed - 50 g Tube
Voltaren$11.104.5★
PACK OF 3 EACH CAPZASIN-HP CREME 1.5OZ PT#31192675142
Capzasin$43.984.2★
Nervive Pain Relieving Cream Nervive Pain Relief Max Strength Formula Lidocaine Cream Lidocaine Topical Foot Pain Leg Pain Hand Pain Non-Greasy 3.0z
Nervive$11.354.3★
Approved Science Zosterex - Extra-Strength L-Lysine 1000mg Vitamin B Complex Zinc - Immune Support & Cold Sore Treatment - 60 Vegan Capsules - 1 Bottle
Approved Science$49.854.3★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -9.2% search growth over the last 90 days.Peak months: Aug, Sep · busiest ÷ quietest = 1.8×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“it works quickly”
“Helps with knee pain”
“Better than other gels”
“Affordable Price”
“Product as described”
“There is no odor”
“Great for muscle pain”
“Easy to use”
“Easy to apply”
“helps me fall asleep instead of focusing on how my feet feel”
What buyers complain about
“Didn't provide any pain relief”
“Not effective”
“Not worth it”
“Allergic reaction”
“Heats up a lot”
“This didn't really help with the arthritis in my knee”
“Misleading picture”
“The gel smells a bit”
“Not strong enough”
“Can't anything be easy”