Is medik8 liquid peptides profitable to sell on Amazon United States?

The niche generates $1.5M/yr across 19 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -8.9%. Flapen's verdict: Worth a look (52/100).

How competitive is the medik8 liquid peptides niche?

5 brands and 12 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in medik8 liquid peptides?

Top complaints mined from reviews: Value For Money, Smell, Allergies. The return rate is 1.3%.

When does demand for medik8 liquid peptides peak?

Demand peaks in May–Jun–Jul; the busiest month runs 6.8× the quietest.

What does it cost to enter the medik8 liquid peptides niche?

Listings span $19.97–$101.56; the average listing price is $57.34 (sweet spot $15–$100). The average incumbent carries 475 reviews — the moat a new listing must climb.

medik8 liquid peptides

Worth a look

Shows sweet-spot pricing room ($19.97–$101.56), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Price range

Great$19.97–$101.56

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

Avg price

Great$57.34

avg listing price — sweet spot $15–$100

Returns

Great1.3%

return rate — above 5% kills the launch gate

Market size

Great$1.5M

$1.5M/yr · 667K searches

Review moat

Great475.21

avg incumbent reviews — the moat a new listing must climb

Conversion

Okay3.9%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Competition

Okay64%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-8.9%

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

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Price

According to Flapen's Amazon United States niche tracking, medik8 liquid peptides is a $1.5M/yr Amazon United States market (667K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 52/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

medik8 liquid peptides market data

Units sold / yr: 25K–30K; avg 1,000–1,250/product
Revenue / yr: $1.4M–$1.7M; units × avg price
Conversion rate: 3.9%
Avg BSR: #485
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 58 months
Avg seller age: 123 days

Competition & brand share

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

5 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

64%

Top 20: 100%

Open market

Medik887%
MAELOVE8%
TIRTIR2%
The Ordinary2%
Naturium1%

Demand & seasonality

Weekly Amazon search volume, last 72 weeks — -8.9% search growth over the last 90 days.

Peak months: May, Jun, Jul · busiest ÷ quietest = 6.8×

Open Trend

Top medik8 liquid peptides search terms

medik8350K/yr -5.0%3.7% conv.
medik8 liquid peptides100K/yr -39.6%6.8% conv.
skinceuticals p-tiox32K/yr +5.8%0.2% conv.
maelove peptide squad28K/yr +2.1%10.0% conv.
medik8 peptide serum10K/yr +94.7%4.8% conv.
medic819K/yr -15.8%3.0% conv.
skin ceuticals p tiox18K/yr +11.9%0.1% conv.
medik 815K/yr +1.0%3.3% conv.
ptiox serum skinceuticals13K/yr +10.4%0.2% conv.
medika89K/yr -2.4%4.6% conv.

All search terms

Top medik8 liquid peptides 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 19 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Medik8 Liquid Peptides Advanced MP - Peptide Serum - Face Serum for Wrinkle Reduction - Hydrating and Supports Collagen Hyaluronic Acid - 1 oz.

Medik8$85.424.4★191 rev

Medik8 Liquid Peptides - Multi Peptide Face Serum For Women and Men - Smooths Wrinkles and Fine Lines - Hydrating Serum - 1.0 oz

Medik8$63.154.5★600 rev

Medik8 Crystal Retinal 3 - Firming Advanced Skin Retinaldehyde Face Serum - Night Serum with Hyaluronic Acid and Vitamin E - Gluten Free - 1 oz

Medik8$61.164.3★315 rev

MAELOVE Peptide Squad Collagen Renewal Serum with Copper Peptides Argireline Matrixyl 3000 + Hyaluronic Acid and Niacinamide for Wrinkles Fine Lines and Skin Elasticity

MAELOVE$49.864.6★602 rev

Medik8 Crystal Retinal 6 - Firming Advanced Skin Retinaldehyde Face Serum - Night Serum with Hyaluronic Acid and Vitamin E - Gluten Free - 1 oz

Medik8$79.964.3★174 rev

Newest

by launch date

Medik8 Prismatic+ Face Serum for Women - Vegan Facial Serum with Prismatic PDRN and Triple Exosome Complex - 1 oz

Medik8$95.3924 rev

2mo ago

Medik8 Niacinamide Peptides - Serum for Face - Visibly Clear Skin Smooth Texture and Reduce Pores - Hydrating Serum Balance Oil Production - 1 oz

Medik8$52.5833 rev

6mo ago

Medik8 Advanced Pro Collagen Peptide Cream - Daily Face Moisturizer for Dry Skin - Lifting Moisturizer Face Cream with Anti-Aging Peptides - 1.6 oz

Medik8$93.8051 rev

8mo ago

Medik8 Luminous Lift Kit - Face Toner for Women and Men - Peptide Face Serum - Age-Defying Serum - Hydrating Toner for Refreshed Skin - 2 pc

Medik8$56.407 rev

10mo ago

Medik8 C-Tetra Advanced Vitamin C Face Serum with Hyaluronic Acid | Lightweight Daily Facial Serum | Vegan 1.0 fl oz

Medik8$69.9774 rev

1y ago

What buyers say about medik8 liquid peptides

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

What buyers love

Suitability Combination Skin16%

“Works great for sensitive skin”

Moist/Dry10%

“Hydrating, soothing”

Quality-Overall9%

“I really am enjoying the daily results and quality”

Soft Feel8%

“Soft and smooth”

Suitability Dry Skin6%

“Great for my sensitive skin in the dry months”

Absorbency5%

“Absorbs well”

Value For Money5%

“Worth the Money”

Brightness/Shine/Glow5%

“Skins glows”

Texture/Consistency-Overall3%

“Great consistency”

Allergies3%

“No irritation”

What buyers complain about

Value For Money12%

“Expensive”

Smell9%

“The smell is weird”

Allergies8%

“Allergic Reaction”

Skin Health5%

“This did not help with my skin dullness or basically anything”

Functionality-Overall2%

“Ineffective”

Suitability Dry Skin2%

“if you have dry skin this is not for you”

Moist/Dry2%

“if you have dry skin this is not for you”

Product Condition2%

“Its almost empty brand new”

Wrinkles1%

“It didnt help with deeper wrinkles”

Suitability Combination Skin1%

“But, I just don't like the way this formulation behaves on my skin”

Top return reasons

Functionality-Overall12%

Product Condition10%

Value For Money9%

Advertised Vs Actual Product8%

Smell7%

Motor Power7%

Moist/Dry5%