spartan - grey hair reverse bar
Skip itA small market ($0/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Okay1,547.75avg incumbent reviews — the moat a new listing must climb
Growth
Okay+2.8%90-day search growth — must beat 0% to launch
Avg price
Okay£8.84avg listing price — sweet spot $15–$100
Market size
Bad£0£0/yr · 2K searches
Conversion
Bad0.0%search→purchase rate — share of searches ending in a sale
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Price range
Bad£6.05–£13.67cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, spartan - grey hair reverse bar is a £0/yr Amazon United Kingdom market (2K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 26/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
spartan - grey hair reverse bar market data
- Units sold / yr
- 100–250
- avg 0–100/product
- Revenue / yr
- £884–£2K
- units × avg price
- Conversion rate
- 0.0%
- Avg BSR
- #226
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 75%
- Out of stock
- 13.6%
- Avg brand age
- 42 months
- Avg seller age
- 198 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
28
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- KinKind29%
- GNAUMORE27%
- Just For Men26%
- ThriveCo18%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +2.8% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.8×
Top spartan - grey hair reverse bar search terms
- reverse grey hair740/yr
- shampoo bar for grey hair698/yr
- grey hair soap bar men446/yr
- grey hair reverse bar187/yr
- gray hair reverse bar107/yr
- spartan grey hair reverse bar101/yr
- grey reverse shampoo bar72/yr
Top spartan - grey hair reverse bar 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
KinKind Purple Shampoo Bar - My PLATINUM Touch! Solid Shampoo Bar for Blonde Silver & White Hair | Natural Shampoo Bar Travel Shampoo Bars for Hair UK | Up to 50 Washes - Vegan
KinKind£6.494.4★633 rev
Natural Blackening More Confident Looks Hair Darkening Serum Grey Hair Reverse Essence Nutrient Natural Darkening Serum For Men Women scalpy hair growth serum scalpy hair serum scalp serum
GNAUMORE£9.164.6★4 rev
Just For Men Control GX 2-in-1 Shampoo and Conditioner Gradually and Permanently Reduces Grey Hair with Each Wash New Improved Formula - All Shades 118 ml
Just For Men£6.054.2★2,373 rev
ThriveCo Anti-Grey Hair Prime Serum Reverse Greying Hair & Beard Advanced Clinically Proven Treatment With Arcedin + Arcolys +Biotin Light-Weight Non-Sticky Men and Women 50 ml Transparent
ThriveCo£13.673.7★3,181 rev
Newest
by launch dateThriveCo Anti-Grey Hair Prime Serum Reverse Greying Hair & Beard Advanced Clinically Proven Treatment With Arcedin + Arcolys +Biotin Light-Weight Non-Sticky Men and Women 50 ml Transparent
ThriveCo£13.673,181 rev
Natural Blackening More Confident Looks Hair Darkening Serum Grey Hair Reverse Essence Nutrient Natural Darkening Serum For Men Women scalpy hair growth serum scalpy hair serum scalp serum
GNAUMORE£9.164 rev
KinKind Purple Shampoo Bar - My PLATINUM Touch! Solid Shampoo Bar for Blonde Silver & White Hair | Natural Shampoo Bar Travel Shampoo Bars for Hair UK | Up to 50 Washes - Vegan
KinKind£6.49633 rev
Just For Men Control GX 2-in-1 Shampoo and Conditioner Gradually and Permanently Reduces Grey Hair with Each Wash New Improved Formula - All Shades 118 ml
Just For Men£6.052,373 rev
Trending
90-day click momentumThriveCo Anti-Grey Hair Prime Serum Reverse Greying Hair & Beard Advanced Clinically Proven Treatment With Arcedin + Arcolys +Biotin Light-Weight Non-Sticky Men and Women 50 ml Transparent
ThriveCo£13.673.7★
Natural Blackening More Confident Looks Hair Darkening Serum Grey Hair Reverse Essence Nutrient Natural Darkening Serum For Men Women scalpy hair growth serum scalpy hair serum scalp serum
GNAUMORE£9.164.6★
KinKind Purple Shampoo Bar - My PLATINUM Touch! Solid Shampoo Bar for Blonde Silver & White Hair | Natural Shampoo Bar Travel Shampoo Bars for Hair UK | Up to 50 Washes - Vegan
KinKind£6.494.4★
Just For Men Control GX 2-in-1 Shampoo and Conditioner Gradually and Permanently Reduces Grey Hair with Each Wash New Improved Formula - All Shades 118 ml
Just For Men£6.054.2★
What buyers say about spartan - grey hair reverse bar
What buyers praise and complain about, mined from review topics.What buyers love
“Does the job”
“Works as it should”
“Brilliant product with quick & impressive results”
“use this a couple of times a week - keeps it the right colour”
“He didnt want to dye his hair and have a sudden & dramatic colour change, and this shampoo has created a naturally more blended colour”
“Value for money”
“Easy to use”
“Great solid shampoo leaves my hair clean”
“Results on my hair are great”
“Easier to scrub off sooner rather than later”
What buyers complain about
“Doesn't work”
“It will stain your towel blue”
“its pretty much white”
“got my hair cut all my scalp is patches of dark”
“it was truly horrific to use”
“This product is misleading regarding returns”
“Certainly dying my fingers”
“not as good as product as it used to be”
“New, weaker formula”
“got my hair cut all my scalp is patches of dark”
Top return reasons
Common questions
- Is spartan - grey hair reverse bar profitable to sell on Amazon United Kingdom?
- The niche generates £0/yr across 4 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +2.8%. Flapen's verdict: Skip it (26/100).
- How competitive is the spartan - grey hair reverse bar niche?
- 4 brands and 28 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in spartan - grey hair reverse bar?
- Top complaints mined from reviews: Functionality-Overall, Stain Resistance, Color. The return rate is 0.0%.
- When does demand for spartan - grey hair reverse bar peak?
- Demand is steady year-round — the busiest month runs 1.8× the quietest.
- What does it cost to enter the spartan - grey hair reverse bar niche?
- Listings span £6.05–£13.67; the average listing price is £8.84 (sweet spot $15–$100). The average incumbent carries 1,548 reviews — the moat a new listing must climb.