redensyl
Worth a lookShows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.1%return rate — above 5% kills the launch gate
Avg price
Great$21.70avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Price range
Great$9.85–$57.76cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+27.7%90-day search growth — must beat 0% to launch
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Market size
Okay$264K$264K/yr · 368K searches
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Conversion
Okay3.3%search→purchase rate — share of searches ending in a sale
Review moat
Bad4,527.39avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, redensyl is a $264K/yr Amazon United States market (368K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Jan–May–Jun. Verdict: Worth a look — 60/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
redensyl market data
- Units sold / yr
- 13K–15K
- avg 500–750/product
- Revenue / yr
- $271K–$326K
- units × avg price
- Conversion rate
- 3.3%
- Avg BSR
- #338
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 96%
- Out of stock
- 5.1%
- Avg brand age
- 40 months
- Avg seller age
- 132 days
Competition & brand share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
15 rising
Sellers
79
Top-5 brand share
78%
Top 20: 100%
Top-5 click share
53%
Top 20: 97%
Open market
17%
- Bare Anatomy23%
- Minimalist17%
- Pilgrim15%
- Masofta14%
- The Ordinary10%
- Puggaree5%
- Open — no brand owns it (9 brands, 17%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +27.7% search growth over the last 90 days.Peak months: Jan, May, Jun · busiest ÷ quietest = 5.3×
Top redensyl search terms
- redensyl hair growth serum49K/yr
- redensyl79K/yr
- kopexil10K/yr
- capixyl51K/yr
- pilgrim hair growth serum22K/yr
- minimalist hair growth serum20K/yr
- capixyl hair growth serum23K/yr
- redensyl for hair growth11K/yr
- capixyl serum11K/yr
- anagain8K/yr
Top redensyl 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 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Minimalist Hair Density Serum 18% | Hair Growth Serum With Procapil Capixyl Redensyl Anagain & Baicapil For Hair Fall Control | Women & Men | 30 ml
Minimalist$14.323.9★5,367 rev

Masofta Hair Growth Serum For Density Hair fall Control with 3% Redensyl 5% Capixyl 4% Anagain 3% Procapil & 3% Baicapil Rosemary & Biotin For Both Men & Women 1.01 fl.oz./30ML
Masofta$15.544.5★243 rev

The Ordinary Multi-Peptide Serum for Hair Density Peptide-Powered Formula for Thicker Fuller Looking Hair 2 Fl Oz
The Ordinary$22.564.1★1,488 rev

Bare Anatomy Advanced Hair Density Roll-On| 3% Redensyl + 4% Anagain + 2% Baicapil + 5% Rosemary Rice Water Biotin & Saw Palmetto| Reduces Hair Fall Supports Hair Growth for Men & Women | 25ml
Bare Anatomy$15.134.2★225 rev

Bare Anatomy Advanced Hair Density Serum | 3% Redensyl 4% Anagain 3% Baicapil 1% Capilia Longa Rosemary Biotin & Rice Extract | Reduces Hair Fall Supports Hair Growth for Men & Women | 30 ml
Bare Anatomy$14.794.2★225 rev
Newest
by launch date
Redensyl Hair Serum Roll On 3% Rosemary & 3% Redensyl Scalp Treatment for Thicker Fuller Looking Nourishing Hair Density Support for Women Pink (30 ml)
Puggaree$16.9685 rev

Bare Anatomy Advanced Hair Density Roll-On| 3% Redensyl + 4% Anagain + 2% Baicapil + 5% Rosemary Rice Water Biotin & Saw Palmetto| Reduces Hair Fall Supports Hair Growth for Men & Women | 25ml
Bare Anatomy$15.13225 rev

Bare Anatomy Advanced Hair Density Serum | 3% Redensyl 4% Anagain 3% Baicapil 1% Capilia Longa Rosemary Biotin & Rice Extract | Reduces Hair Fall Supports Hair Growth for Men & Women | 30 ml
Bare Anatomy$14.79225 rev

Be Bodywise Hair Growth Serum Roll On - 5% Saw Palmetto 3% Rosemary Oil for Hair Growth 3% Fenugreek 1% Caffeine Herbasome | Serum for Hair Loss & Hair Regrowth For Men & Women 25ml/0.84 fl oz
Be Bodywise$29.761,964 rev

Pilgrim Hair Growth Serum for Thinning Hair | 3% Redensyl 4% Anagain & 5% Capilia Stem Cell | Strengthens Nourishes & Revitalizes Hair | Korean Black Rice | 0.85 Fl Oz (25ml)
Pilgrim$16.27116 rev
Trending
90-day click momentum
Redensyl Hair Serum Roll On 3% Rosemary & 3% Redensyl Scalp Treatment for Thicker Fuller Looking Nourishing Hair Density Support for Women Pink (30 ml)
Puggaree$16.964.5★

Pilgrim Hair Growth Serum for Thinning Hair | 3% Redensyl 4% Anagain & 5% Capilia Stem Cell | Strengthens Nourishes & Revitalizes Hair | Korean Black Rice | 0.85 Fl Oz (25ml)
Pilgrim$16.274.0★

Bare Anatomy Advanced Hair Density Serum | 3% Redensyl 4% Anagain 3% Baicapil 1% Capilia Longa Rosemary Biotin & Rice Extract | Reduces Hair Fall Supports Hair Growth for Men & Women | 30 ml
Bare Anatomy$14.794.2★

Bare Anatomy Advanced Hair Density Roll-On| 3% Redensyl + 4% Anagain + 2% Baicapil + 5% Rosemary Rice Water Biotin & Saw Palmetto| Reduces Hair Fall Supports Hair Growth for Men & Women | 25ml
Bare Anatomy$15.134.2★

Be Bodywise Hair Growth Serum Roll On - 5% Saw Palmetto 3% Rosemary Oil for Hair Growth 3% Fenugreek 1% Caffeine Herbasome | Serum for Hair Loss & Hair Regrowth For Men & Women 25ml/0.84 fl oz
Be Bodywise$29.764.2★
What buyers say about redensyl
What buyers praise and complain about, mined from review topics.What buyers love
“Great for hair loss”
“Smell good”
“Easy to Apply”
“Excellent product for the hair”
“The bottle is easy to use”
“Easily absorbed”
“worth it”
“Lightweight and easy to use”
“Doesnt feel oily, goes on easy and feels good”
“Soft hair”
What buyers complain about
“Didnt work”
“A bit oily”
“Unpleasant smell”
“hair loss has been really hard emotionally”
“it so so so itchy it bothered me all day”
“Too expensive”
“Product has leaked before opening”
“Waste of money the manufacturer has no good quality control”
“The spray functionality broke on the first day itself”
“But you can see my hair has gotten thicker”
Top return reasons
Common questions
- Is redensyl profitable to sell on Amazon United States?
- The niche generates $264K/yr across 23 tracked products. 6 of 7 products launched in the last 360 days are still selling. 90-day search growth is +27.7%. Flapen's verdict: Worth a look (60/100).
- How competitive is the redensyl niche?
- 15 brands and 79 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in redensyl?
- Top complaints mined from reviews: Functionality-Overall, Oily/Greasy, Smell. The return rate is 1.1%.
- When does demand for redensyl peak?
- Demand peaks in Jan–May–Jun; the busiest month runs 5.3× the quietest.
- What does it cost to enter the redensyl niche?
- Listings span $9.85–$57.76; the average listing price is $21.70 (sweet spot $15–$100). The average incumbent carries 4,527 reviews — the moat a new listing must climb.