Is sun serum profitable to sell on Amazon United States?

The niche generates $40K/yr across 5 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +139.6%. Flapen's verdict: Worth a look (51/100).

How competitive is the sun serum niche?

4 brands and 18 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in sun serum?

Top complaints mined from reviews: Allergies, Smell, Skin Health. The return rate is 0.2%.

What does it cost to enter the sun serum niche?

Listings span $17.25–$23.63; the average listing price is $20.11 (sweet spot $15–$100). The average incumbent carries 260 reviews — the moat a new listing must climb.

sun serum

Worth a look

Shows low returns (0.2%), but a concentrated shelf (top 5 take 100% of clicks) keeps it on the watch list.

Returns

Incredible0.2%

return rate — above 5% kills the launch gate

Growth

Incredible+139.6%

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

Price range

Incredible$17.25–$23.63

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

Avg price

Great$20.11

avg listing price — sweet spot $15–$100

Review moat

Great259.8

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Okay3.9%

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

Market size

Bad$40K

$40K/yr · 51K searches

Competition

Bad100%

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, sun serum is a $40K/yr Amazon United States market (51K searches/yr). The top 5 brands hold 100% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 17, 2026 · scored weekly · How we score niches

sun serum market data

Units sold / yr: 2K–2K; avg 100–250/product
Revenue / yr: $30K–$40K; units × avg price
Conversion rate: 3.9%
Avg BSR: #1,857
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 1.4%
Avg brand age: 39 months
Avg seller age: 127 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

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

100%

Top 20: 100%

Open market

MEDIHEAL51%
Espoir38%
SKIN10049%
ROUND LAB3%

Top sun serum search terms

sun serum17K/yr +81.6%1.6% conv.
mediheal sunscreen12K/yr +243.2%7.6% conv.
espoir sun serum6K/yr +158.3%2.1% conv.
espoir water splash sun serum4K/yr +177.7%2.3% conv.
mediheal sun serum5K/yr +153.7%6.0% conv.
sun serum korean4K/yr +54.3%2.8% conv.
water splash sun serum2K/yr +213.6%1.3% conv.

All search terms

Top sun serum 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 5 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

MEDIHEAL Madecassoside Moisture Sun Serum SPF 50+ Hydrating Korean Sunscreen for Face Lightweight Serum Texture No White Cast Soothing & Dewy Glow Finish Broad Spectrum UVA/UVB 1.69 fl oz

MEDIHEAL$17.254.2★39 rev

espoir Water Splash Sun Serum SPF50+ PA+++3 000ppm Caffeine for Reducing Puffiness Enhancing Skin Elasticity Non-Oily Hydrating Sunscreen Vegan Beach Essentials Clear Sunscreen1.69 Fl Oz.

Espoir$21.584.3★76 rev

SKIN1004 Centella Hyalu-Cica Water-Fit Sun Serum UV Korean Sunscreen SPF 50 Centella Sunscreen Travel Essentials Sunscreen with Hyaluronic Acid No White Cast Korean Skin Care 1.69 fl.oz / 50ml

SKIN1004$18.174.5★1,043 rev

Mediheal Derma Cream [Madecassoside] - Soothing Korean Face Moisturizer with Niacinamide Squalane & Ceramide - Barrier Repair Dark Spot & Acne Mark Care for Sensitive Skin (1.69 fl oz)

MEDIHEAL$19.954.6★90 rev

ROUND LAB Birch Juice Moisturizing Sun Serum SPF 50 PDRN Hyaluronic Acid Serum Airy Texture Sunscreen For Face No White Cast Fragrance Free protector solar Korean Skin Care 1.69 Fl Oz

ROUND LAB$23.634.2★51 rev

Newest

by launch date

ROUND LAB Birch Juice Moisturizing Sun Serum SPF 50 PDRN Hyaluronic Acid Serum Airy Texture Sunscreen For Face No White Cast Fragrance Free protector solar Korean Skin Care 1.69 Fl Oz

ROUND LAB$23.6351 rev

3mo ago

MEDIHEAL Madecassoside Moisture Sun Serum SPF 50+ Hydrating Korean Sunscreen for Face Lightweight Serum Texture No White Cast Soothing & Dewy Glow Finish Broad Spectrum UVA/UVB 1.69 fl oz

MEDIHEAL$17.2539 rev

4mo ago

Mediheal Derma Cream [Madecassoside] - Soothing Korean Face Moisturizer with Niacinamide Squalane & Ceramide - Barrier Repair Dark Spot & Acne Mark Care for Sensitive Skin (1.69 fl oz)

MEDIHEAL$19.9590 rev

7mo ago

SKIN1004 Centella Hyalu-Cica Water-Fit Sun Serum UV Korean Sunscreen SPF 50 Centella Sunscreen Travel Essentials Sunscreen with Hyaluronic Acid No White Cast Korean Skin Care 1.69 fl.oz / 50ml

SKIN1004$18.171,043 rev

8mo ago

espoir Water Splash Sun Serum SPF50+ PA+++3 000ppm Caffeine for Reducing Puffiness Enhancing Skin Elasticity Non-Oily Hydrating Sunscreen Vegan Beach Essentials Clear Sunscreen1.69 Fl Oz.

Espoir$21.5876 rev

1y ago

What buyers say about sun serum

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

What buyers love

Suitability Combination Skin15%

“Perfect for those with highly sensitive skin”

Moist/Dry11%

“Super hydrating: Leaves a gorgeous”

Weight Light9%

“Lightweight and love it”

Quality-Overall5%

“Excellent Product”

Soft Feel5%

“Feels good”

Texture/Consistency-Overall5%

“Great texture”

Absorbency4%

“absorbs well”

Suitability Dry Skin4%

“Perfect for anyone who has dry/sensitive skin”

Suitability Oily Skin3%

“Works great for oily skin”

Brightness/Shine/Glow3%

“It shines well”

What buyers complain about

Allergies14%

“Allergic reaction”

Smell11%

“too strong of a scent”

Skin Health6%

“It completely melts into the skin”

Sensitivity-Overall6%

“Not for sensitive skin”

Suitability Oily Skin5%

“Not Perfect for Oily Skin”

Oily/Greasy4%

“Too greasy”

Moist/Dry2%

“not something that doubles as a moisturizer”

Value For Money2%

“A bit pricey for the amount given”

Suitability Dry Skin2%

“it does not dry down”

Thickness2%

“is thicker”

Top return reasons

Advertised Vs Actual Product14%

Value For Money10%

Ingredients-Overall9%

Oily/Greasy9%

Smell8%

Texture/Consistency-Overall4%

Product Condition4%

Skin Health4%

Functionality-Overall4%

Language Issues3%

Common questions

Is sun serum profitable to sell on Amazon United States?: The niche generates $40K/yr across 5 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +139.6%. Flapen's verdict: Worth a look (51/100).
How competitive is the sun serum niche?: 4 brands and 18 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in sun serum?: Top complaints mined from reviews: Allergies, Smell, Skin Health. The return rate is 0.2%.
What does it cost to enter the sun serum niche?: Listings span $17.25–$23.63; the average listing price is $20.11 (sweet spot $15–$100). The average incumbent carries 260 reviews — the moat a new listing must climb.