oi
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.6%return rate — above 5% kills the launch gate
Avg price
Great$46.62avg listing price — sweet spot $15–$100
Price range
Great$18.97–$101.29cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$332K$332K/yr · 208K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+15.2%90-day search growth — must beat 0% to launch
Conversion
Okay3.4%search→purchase rate — share of searches ending in a sale
Review moat
Bad4,993.67avg incumbent reviews — the moat a new listing must climb
Competition
Bad75%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, oi is a $332K/yr Amazon United States market (208K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Dec. Verdict: Skip it — 47/100.
Data updated Jul 14, 2026 · scored weekly · How we score niches
oi market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $280K–$373K
- units × avg price
- Conversion rate
- 3.4%
- Avg BSR
- #203
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 0.0%
- Avg brand age
- 74 months
- Avg seller age
- 161 days
Competition & brand share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.Brands
1 flat
Sellers
3
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
0%
- Davines100%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +15.2% search growth over the last 90 days.Peak months: Jan, Dec · busiest ÷ quietest = 1.9×
Top oi 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 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Davines OI Shampoo Milky-Smooth Hydrating Cleanser for All Hair Types - Antioxidant-Rich Formula with Roucou Oil for Extraordinary Shine Softness Volume & Protection Sulfate-Free 9.47 Fl Oz
Davines$42.754.5★8,320 rev

Davines OI All In One Milk Hair Leave-in Milky Conditioner Multi-Function Spray Treatment - Detangles Controls Frizz & Heat Protectant - Weightless Antioxidant Roucou Oil Formula 4.56 Fl Oz
Davines$44.754.7★12,539 rev

Davines OI Conditioner Rich Creamy Hydrating Conditioner for All Hair Types - Accelerates Drying Protects Structure & Adds Shine with Antioxidant Roucou Oil - Softens & Detangles 8.45 Fl Oz
Davines$49.794.7★3,832 rev

Davines OI Oil Multi-Function Potion for All Hair Types - Weightless Anti-Frizz & Shine-Enhancing Serum with Roucou Oil - Detangles & Replenishes Moisture Hydrating Treatment Travel Size 1.69 Fl Oz
Davines$27.934.6★8,052 rev

Davines OI Oil Multi-Function Potion for All Hair Types - Weightless Anti-Frizz & Shine-Enhancing Serum with Roucou Oil - Detangles & Replenishes Moisture Hydrating Treatment 4.56 Fl Oz
Davines$56.364.6★8,052 rev
Newest
by launch date
Davines OI Softness & Shine Routine Hair Gift Set with the OI Shampoo OI Conditioner and OI All In One Milk Protects Structure & Adds Shine with Antioxidant Roucou Oil
Davines$101.2926 rev

Davines OI Shampoo Milky-Smooth Hydrating Cleanser for All Hair Types - Daily Antioxidant Treatment with Roucou Oil for Extraordinary Shine Softness Volume & Protection Refill Size 16.91 Fl Oz
Davines$62.568,320 rev

Davines OI Souffl Silkening Bodifying Foam for Fine to Medium Hair - Liquid-to-Foam Leave-In Treatment with Chicory Root & Roucou OilAdds Volume Shine & Heat Protection Travel Size 1.69 Fl Oz
Davines$24.64196 rev

Davines OI Liquid Luster Weightless Hair Treatment for Instant Glass-Like Shine - Softens Detangles & Polishes Hair in Seconds with Roucou Oil - Rinse-Out Glossing Fluid 10.14 Fl Oz
Davines$56.72459 rev

Davines OI Conditioner Rich Creamy Hydrating Conditioner for All Hair Types - Accelerates Drying Protects Structure & Adds Shine with Antioxidants Softens & Detangles Travel Size 2.54 Fl Oz
Davines$18.973,832 rev
Trending
90-day click momentum
Davines OI Softness & Shine Routine Hair Gift Set with the OI Shampoo OI Conditioner and OI All In One Milk Protects Structure & Adds Shine with Antioxidant Roucou Oil
Davines$101.293.9★

Davines OI Shampoo Milky-Smooth Hydrating Cleanser for All Hair Types - Daily Antioxidant Treatment with Roucou Oil for Extraordinary Shine Softness Volume & Protection Refill Size 16.91 Fl Oz
Davines$62.564.5★

Davines OI Conditioner Rich Creamy Hydrating Conditioner for All Hair Types - Accelerates Drying Protects Structure & Adds Shine with Antioxidants Softens & Detangles Travel Size 2.54 Fl Oz
Davines$18.974.7★

Davines OI All In One Milk Hair Leave-in Conditioner Multi-Function Spray Treatment - Detangles Controls Frizz & Heat Protectant - Weightless Antioxidant Roucou Oil Formula Travel Size 1.69 Fl Oz
Davines$21.944.3★

Davines OI Oil Multi-Function Potion for All Hair Types - Weightless Anti-Frizz & Shine-Enhancing Serum with Roucou Oil - Detangles & Replenishes Moisture Hydrating Treatment 4.56 Fl Oz
Davines$56.364.6★
What buyers say about oi
What buyers praise and complain about, mined from review topics.What buyers love
“Great, clean smell”
“Smooth hair”
“Worth it”
“Great formula,”
“smooth out dry tips”
“Great for fine hair”
“Hair looks amazing”
“Worked really well on curly hair”
“Added shine”
“My hair feels healthy”
What buyers complain about
“Smell is terrible”
“Overpriced”
“The scent stuck in my hair so bad”
“Probably open and used”
“And the colors”
“not a good product at all”
“It actually makes my hair feel even more dry after using it”
“By the end of the day my hair just looked greasy”
“consistency are also off”
“Little goes a long”
Top return reasons
Common questions
- Is oi profitable to sell on Amazon United States?
- The niche generates $332K/yr across 12 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is +15.2%. Flapen's verdict: Skip it (47/100).
- How competitive is the oi niche?
- 1 brands and 3 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in oi?
- Top complaints mined from reviews: Smell, Value For Money, Hair Related. The return rate is 0.6%.
- When does demand for oi peak?
- Demand peaks in Jan–Dec; the busiest month runs 1.9× the quietest.
- What does it cost to enter the oi niche?
- Listings span $18.97–$101.29; the average listing price is $46.62 (sweet spot $15–$100). The average incumbent carries 4,994 reviews — the moat a new listing must climb.