rennora hair growth serum
Skip itSoft demand (-57.5% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Price range
Incredible$28.36–$72.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$46.52avg listing price — sweet spot $15–$100
Review moat
Great297.5avg incumbent reviews — the moat a new listing must climb
Conversion
Great8.3%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Market size
Okay$210K$210K/yr · 54K searches
Growth
Bad-57.5%90-day search growth — must beat 0% to launch
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, rennora hair growth serum is a $210K/yr Amazon United States market (54K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Feb–Mar. Verdict: Skip it — 45/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
rennora hair growth serum market data
- Units sold / yr
- 3K–4K
- avg 750–1,000/product
- Revenue / yr
- $140K–$186K
- units × avg price
- Conversion rate
- 8.3%
- Avg BSR
- #216
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 37 months
- Avg seller age
- 135 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
1 falling
Sellers
68
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- RENNORA BEAUTY100%
Demand & seasonality
Weekly Amazon search volume, last 92 weeks — -57.5% search growth over the last 90 days.Peak months: Feb, Mar · busiest ÷ quietest = 2.4×
Top rennora hair growth serum search terms
- rennora hair growth serum for black women33K/yr
- rennora hair growth serum for black men14K/yr
- renora hair growth serum for black men8K/yr
Top rennora hair growth serum products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Rennora Hair Growth Serum with Organic Herbs and Natural Vitamins Peppermint Oil Stinging Nettle and Rosemary Oil No Chemicals Formulated for Hair Regrowth (2 Pack - 60 Day Supply)
RENNORA BEAUTY$48.244.0★396 rev

Rennora Hair Growth Serum with Organic Herbs and Natural Vitamins Peppermint Oil Stinging Nettle and Rosemary Oil No Chemicals Formulated for Hair Regrowth (1 Pack - 30 Day Supply)
RENNORA BEAUTY$28.364.0★396 rev

Rennora Extra-Strength Hair Growth Serum with Organic Herbs and Natural Vitamins Rosemary Oil Castor Oil Black Seed Amla and Ginseng No Chemicals Formulated for Fast Hair Regrowth
RENNORA BEAUTY$37.465.0★2 rev

Rennora Hair Growth Serum with Organic Herbs and Natural Vitamins Peppermint Oil Stinging Nettle and Rosemary Oil No Chemicals Formulated for Hair Regrowth (4 Pack - 120 Day Supply)
RENNORA BEAUTY$72.004.0★396 rev
Newest
by launch date
Rennora Extra-Strength Hair Growth Serum with Organic Herbs and Natural Vitamins Rosemary Oil Castor Oil Black Seed Amla and Ginseng No Chemicals Formulated for Fast Hair Regrowth
RENNORA BEAUTY$37.462 rev

Rennora Hair Growth Serum with Organic Herbs and Natural Vitamins Peppermint Oil Stinging Nettle and Rosemary Oil No Chemicals Formulated for Hair Regrowth (1 Pack - 30 Day Supply)
RENNORA BEAUTY$28.36396 rev

Rennora Hair Growth Serum with Organic Herbs and Natural Vitamins Peppermint Oil Stinging Nettle and Rosemary Oil No Chemicals Formulated for Hair Regrowth (2 Pack - 60 Day Supply)
RENNORA BEAUTY$48.24396 rev

Rennora Hair Growth Serum with Organic Herbs and Natural Vitamins Peppermint Oil Stinging Nettle and Rosemary Oil No Chemicals Formulated for Hair Regrowth (4 Pack - 120 Day Supply)
RENNORA BEAUTY$72.00396 rev
Trending
90-day click momentum
Rennora Extra-Strength Hair Growth Serum with Organic Herbs and Natural Vitamins Rosemary Oil Castor Oil Black Seed Amla and Ginseng No Chemicals Formulated for Fast Hair Regrowth
RENNORA BEAUTY$37.465.0★

Rennora Hair Growth Serum with Organic Herbs and Natural Vitamins Peppermint Oil Stinging Nettle and Rosemary Oil No Chemicals Formulated for Hair Regrowth (4 Pack - 120 Day Supply)
RENNORA BEAUTY$72.004.0★

Rennora Hair Growth Serum with Organic Herbs and Natural Vitamins Peppermint Oil Stinging Nettle and Rosemary Oil No Chemicals Formulated for Hair Regrowth (1 Pack - 30 Day Supply)
RENNORA BEAUTY$28.364.0★

Rennora Hair Growth Serum with Organic Herbs and Natural Vitamins Peppermint Oil Stinging Nettle and Rosemary Oil No Chemicals Formulated for Hair Regrowth (2 Pack - 60 Day Supply)
RENNORA BEAUTY$48.244.0★
What buyers say about rennora hair growth serum
What buyers praise and complain about, mined from review topics.What buyers love
“The Rennora Hair Growth really works”
“Great product”
“Yes it met my expectations”
“I like smell”
“My scalp is less itchy with Rennora hair growth”
“Its working”
“Follow the directions”
“It feels great on the scalp, very soothing and refreshing on my edges”
“The moisture of my hair”
“Hair care”
What buyers complain about
“It does not work”
“MONEY WASTED”
“Garbage”
“Product did not work for me so its obviously only for some hair loss conditions”
“I can say that I could smell it before completely opening the bag it was delivered in”
“It has grew in some of the spots that was becoming thin”
“too small amount”
“Doesnt work as advertised”
“Product is no longer the same consistency”
“I have used consistently have not seen any change”
Top return reasons
Common questions
- Is rennora hair growth serum profitable to sell on Amazon United States?
- The niche generates $210K/yr across 4 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -57.5%. Flapen's verdict: Skip it (45/100).
- How competitive is the rennora hair growth serum niche?
- 1 brands and 68 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in rennora hair growth serum?
- Top complaints mined from reviews: Functionality-Overall, Value For Money, Quality-Overall. The return rate is 0.6%.
- When does demand for rennora hair growth serum peak?
- Demand peaks in Feb–Mar; the busiest month runs 2.4× the quietest.
- What does it cost to enter the rennora hair growth serum niche?
- Listings span $28.36–$72.00; the average listing price is $46.52 (sweet spot $15–$100). The average incumbent carries 298 reviews — the moat a new listing must climb.