Is medicube toner profitable to sell on Amazon United States?

The niche generates $126K/yr across 13 tracked products. 5 of 5 products launched in the last 360 days are still selling. 90-day search growth is +15.7%. Flapen's verdict: Skip it (48/100).

How competitive is the medicube toner niche?

10 brands and 31 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 91% of demand.

What do buyers complain about in medicube toner?

Top complaints mined from reviews: Functionality-Overall, Value For Money, Allergies. The return rate is 1.0%.

When does demand for medicube toner peak?

Demand peaks in Aug–Sep; the busiest month runs 7.2× the quietest.

What does it cost to enter the medicube toner niche?

Listings span $6.80–$27.11; the average listing price is $14.71 (sweet spot $15–$100). The average incumbent carries 1,807 reviews — the moat a new listing must climb.

medicube toner

Skip it

A concentrated shelf (top 5 take 81% of clicks) — this niche doesn't clear our bar today.

Returns

Great1.0%

return rate — above 5% kills the launch gate

Conversion

Great7.2%

search→purchase rate — share of searches ending in a sale

Avg price

Good$14.71

avg listing price — sweet spot $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Good$6.80–$27.11

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Okay1,807.31

avg incumbent reviews — the moat a new listing must climb

Growth

Okay+15.7%

90-day search growth — must beat 0% to launch

Market size

Okay$126K

$126K/yr · 119K searches

Brand share

Bad91%

top-5 brand share — brand-locked demand

Competition

Bad81%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, medicube toner is a $126K/yr Amazon United States market (119K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Aug–Sep. Verdict: Skip it — 48/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

medicube toner market data

Units sold / yr: 6K–8K; avg 500–750/product
Revenue / yr: $88K–$118K; units × avg price
Conversion rate: 7.2%
Avg BSR: #113
Page quality: 0%
Prime: 92%
Sponsored: 100%
Out of stock: 8.9%
Avg brand age: 25 months
Avg seller age: 121 days

Competition & brand share

The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.

Brands

10 rising

Sellers

Top-5 brand share

91%

Top 20: 100%

Top-5 click share

81%

Top 20: 100%

Open market

medicube46%
Dr.Reju-All23%
ANUA13%
Abib5%
HARUHARU4%
Vitamasques3%
Open — no brand owns it (4 brands, 6%)

Demand & seasonality

Weekly Amazon search volume, last 77 weeks — +15.7% search growth over the last 90 days.

Peak months: Aug, Sep · busiest ÷ quietest = 7.2×

Open Trend

Top medicube toner search terms

medicube lip48K/yr -8.8%5.3% conv.
medicube lip balm26K/yr +21.1%3.6% conv.
pdrn lip12K/yr +55.0%6.8% conv.
pdrn lip balm12K/yr +48.4%5.1% conv.
pdrn lip serum6K/yr +117.4%7.7% conv.
medicube lips4K/yr +0.0%4.8% conv.
pdrn lip mask4K/yr -14.9%9.2% conv.
medicube lip gloss4K/yr -17.3%0.9% conv.
medicube pdrn lip balm2K/yr -28.3%3.6% conv.

All search terms

Top medicube toner 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 13 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

medicube PDRN Lip Sleeping Mask - Overnight Lip Balm for Lasting Moisture

medicube$15.074.5★1,078 rev

Dr.Reju-All Advanced PDRN Rejuvenating Lip Serum Hydrating Lip Balm with Lipozip PDRN for Glowy Dewy Lips Gentle Exfoliating & Smoothing Lip Moisturizer Hibiscus & Lactic Acid 0.3 Fl Oz

Dr.Reju-All$12.684.5★594 rev

medicube PDRN Pink Collagen Volume Multi Balm Stick | Volufiline PDRN NAD Collagen | Face & Body Balm for Under-Eyes Neck Forehead Smile Lines Lips | Plumping Radiance Line Care | K-Beauty

medicube$18.284.0★957 rev

Anua PDRN Lip Serum Long-lasting Hydration for Dry Cracked Lips Non-Sticky Moisturizing Lip Care with Salmon DNA Hyaluronic Acid & Collagen Korean Skincare 0.33 fl.oz

ANUA$11.564.5★311 rev

Abib PDRN Vegan Collagen Lip Mask Glazed Jelly 0.38 fl oz | Korean Lip Butter Balm Overnight Sleeping Mask Hydrating Care Moisturizer Treatment for Flakey Dry Lips

Abib$13.864.5★1,159 rev

Newest

by launch date

2026 New Pink Collagen Volume Multi Balm All in One Volufiline PDRN Hydrating Skincare Fine LinesBounce Balm for Face Neck Under Eyes Smile Lines Lips Forehead Smooth Skin (1PCS)

Generic$8.2677 rev

2mo ago

Dr.Reju-All Advanced PDRN Rejuvenating Lip Serum Hydrating Lip Balm with Lipozip PDRN for Glowy Dewy Lips Gentle Exfoliating & Smoothing Lip Moisturizer Hibiscus & Lactic Acid 0.3 Fl Oz

Dr.Reju-All$12.68594 rev

5mo ago

HARUHARU wonder Rose PDRN Peptide Glowy Balm Instant Moisture Repairs Dry Cracked Lips 24HR Moisture No Waxy Finish Vegan Silicon Free Micro Plastic Free Tint-free 0.33 fl.oz

HARUHARU$12.24256 rev

5mo ago

medicube PDRN Pink Collagen Volume Multi Balm Stick | Volufiline PDRN NAD Collagen | Face & Body Balm for Under-Eyes Neck Forehead Smile Lines Lips | Plumping Radiance Line Care | K-Beauty

medicube$18.28957 rev

6mo ago

Anua PDRN Lip Serum Long-lasting Hydration for Dry Cracked Lips Non-Sticky Moisturizing Lip Care with Salmon DNA Hyaluronic Acid & Collagen Korean Skincare 0.33 fl.oz

ANUA$11.56311 rev

9mo ago

What buyers say about medicube toner

What buyers praise and complain about, mined from review topics.

What buyers love

Moist/Dry23%

“Dries fast”

Soft Feel12%

“leaves skin soft”

Quality-Overall9%

“Excellent product”

Suitability Combination Skin5%

“Good for combination skin”

Brightness/Shine/Glow5%

“Pretty and Glowy”

Value For Money4%

“BETTER PRICE”

Smell4%

“light scent”

Ease Of Application3%

“Easy to Apply”

Suitability Dry Skin3%

“really helps with my dry”

Texture/Consistency-Overall3%

“Great consistency”

What buyers complain about

Functionality-Overall7%

“No results”

Value For Money7%

“Too expensive”

Allergies7%

“got a rash”

Oily/Greasy6%

“It's very oily”

Smell6%

“Very Strong Scent”

Moist/Dry5%

“Not moisturizing”

Wrinkles4%

“doesnt help with wrinkles”

Adhesion/Stickiness4%

“I wouldn't call it sticky necessarily”

Skin Health4%

“This product burns my face”

Advertised Vs Actual Product3%

“False advertising”

Top return reasons

Functionality-Overall18%

Advertised Vs Actual Product13%

Oily/Greasy10%

Smell7%

Adhesion/Stickiness5%