hair repair treatment
Worth a lookShows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Market size
Incredible£2.5M£2.5M/yr · 1.2M searches
Avg price
Incredible£27.19avg listing price — sweet spot $15–$100
Price range
Incredible£15.66–£56.96cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Great7.5%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-9.6%90-day search growth — must beat 0% to launch
Review moat
Bad17,571.5avg incumbent reviews — the moat a new listing must climb
Competition
Bad96%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, hair repair treatment is a £2.5M/yr Amazon United Kingdom market (1.2M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 51/100.
Data updated Jul 20, 2026 · scored weekly · How we score niches
hair repair treatment market data
- Units sold / yr
- 60K–80K
- avg 3,000–4,000/product
- Revenue / yr
- £1.6M–£2.2M
- units × avg price
- Conversion rate
- 7.5%
- Avg BSR
- #21
- Page quality
- 0%
- Prime
- 83%
- Sponsored
- 100%
- Out of stock
- 7.7%
- Avg brand age
- 60 months
- Avg seller age
- 146 days
Competition & brand share
The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 falling
Sellers
39
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
96%
Top 20: 100%
Open market
0%
- K1873%
- Redken27%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -9.6% search growth over the last 90 days.Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 7.0×
Top hair repair treatment search terms
- k18455K/yr
- k18 leave-in molecular repair hair mask208K/yr
- redken acidic bonding178K/yr
- k18 hair mask67K/yr
- redken leave in conditioner37K/yr
- pantene hair mask38K/yr
- redken acidic bonding concentrate28K/yr
- hair repair treatment33K/yr
- hair repair30K/yr
- k18 hair treatment39K/yr
Top hair repair treatment 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 6 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
K18 Mini Leave-In Molecular Hair Mask Repairs Dry or Damaged Hair Reverse Hair Damage from Bleach Colour Chemical Services & Heat 15ml
K18£25.444.3★29,818 rev

Redken | Leave-in Treatment Repairs & Protects Colour-Treated Hair Acidic Perfecting Concentrate 150 ml
Redken£15.664.5★14,562 rev

K18 Leave-In Molecular Hair Mask Repairs Dry or Damaged Hair Reverse Hair Damage from Bleach Colour Chemical Services & Heat 50ml
K18£56.964.3★29,818 rev

Redken Acidic Bonding Concentrate Shampoo 300ml and Conditioner 300ml Duo
Redken£32.844.5★415 rev

Redken Acidic Bonding Concentrate Shampoo Sulphate Free Gentle Cleanse Strengthens Weakened Bonds And Repairs Damage Citric Acid For Processed Hair 300ml
Redken£16.564.5★14,372 rev
Newest
by launch date
K18 Mini Leave-In Molecular Hair Mask Repairs Dry or Damaged Hair Reverse Hair Damage from Bleach Colour Chemical Services & Heat 15ml
K18£25.4429,818 rev

Redken Acidic Bonding Concentrate Shampoo 300ml and Conditioner 300ml Duo
Redken£32.84415 rev

K18 Leave-In Molecular Hair Mask Repairs Dry or Damaged Hair Reverse Hair Damage from Bleach Colour Chemical Services & Heat 50ml
K18£56.9629,818 rev

Redken Acidic Bonding Concentrate Shampoo Sulphate Free Gentle Cleanse Strengthens Weakened Bonds And Repairs Damage Citric Acid For Processed Hair 300ml
Redken£16.5614,372 rev

Redken Acidic Bonding Concentrate Conditioner Strengthens Weakened Bonds Intensely Conditions And Protects Citric Acid For Dry Damaged Processed Hair 300ml
Redken£15.6916,444 rev
Trending
90-day click momentum
K18 Mini Leave-In Molecular Hair Mask Repairs Dry or Damaged Hair Reverse Hair Damage from Bleach Colour Chemical Services & Heat 15ml
K18£25.444.3★

Redken Acidic Bonding Concentrate Conditioner Strengthens Weakened Bonds Intensely Conditions And Protects Citric Acid For Dry Damaged Processed Hair 300ml
Redken£15.694.6★

Redken Acidic Bonding Concentrate Shampoo Sulphate Free Gentle Cleanse Strengthens Weakened Bonds And Repairs Damage Citric Acid For Processed Hair 300ml
Redken£16.564.5★

Redken Acidic Bonding Concentrate Shampoo 300ml and Conditioner 300ml Duo
Redken£32.844.5★

Redken | Leave-in Treatment Repairs & Protects Colour-Treated Hair Acidic Perfecting Concentrate 150 ml
Redken£15.664.5★
What buyers say about hair repair treatment
What buyers praise and complain about, mined from review topics.What buyers love
“Good product as you would expect”
“Hair felt soft”
“Hair smoother”
“Smells lush”
“Worth it”
“with it to use its good for moisturising”
“I found an excellent colour technician who came highly recommended”
“I found this product good for smoothing hair and stop frizz”
“last awhile while”
“Easy to use”
What buyers complain about
“It is expensive”
“Very small”
“doesnt make my hair feel soft”
“Did nothing for my hair after following the instructions my hair was dry and frizzy”
“it just didnt do anything for my hair so wont be purchasing again its very expensive so disappointing”
“Immediately after applying it to my ends in the shower I could tell that it wasnt as moisturising as I hoped”
“no change in texture”
“Dont get this if you have straight hair, with high porosity mids/ends and dryness”
“too thick and couldnt get out the bottle as it got less”
“This isnt real k18 its a completely different texture”
Top return reasons
Common questions
- Is hair repair treatment profitable to sell on Amazon United Kingdom?
- The niche generates £2.5M/yr across 6 tracked products. 90-day search growth is -9.6%. Flapen's verdict: Worth a look (51/100).
- How competitive is the hair repair treatment niche?
- 2 brands and 39 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in hair repair treatment?
- Top complaints mined from reviews: Value For Money, Size-Overall, Hair Related. The return rate is 0.0%.
- When does demand for hair repair treatment peak?
- Demand peaks in Apr–May–Jun–Jul; the busiest month runs 7.0× the quietest.
- What does it cost to enter the hair repair treatment niche?
- Listings span £15.66–£56.96; the average listing price is £27.19 (sweet spot $15–$100). The average incumbent carries 17,572 reviews — the moat a new listing must climb.