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6 Peptide Complex Serum
Serum · 30 ml · $0.40/ml
Mary&May 6 Peptide Complex Serum is a lightweight serum that combines multiple peptides to help hydrate and support the look of firmer, smoother skin.
Currently sold at 4 retailers selling to US shoppers, from $11.97 (cheapest: YesStyle) to $19.44. Average US price $15.29. Prices checked October 5, 2026.
Best price right now
$11.97
$0.40 per ml
Checked 2d ago · may be out of date
at YesStyle
$3.78 less than the typical seller (24%).
Also available at
Now $11.97 at YesStyle; lowest we've seen: $11.97.
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Popular in Korea
A popular pick from Olive Young Korea — here's where to buy it in the US for the best price.
Prices last checked today · across 4 retailers
Prices can change between checks — confirm the final price on the retailer's site before buying.
Big retailers
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Price history
What this serum has actually cost
We check every authenticated seller daily; each point is the lowest price we found that day.
The best total right now from an authorized, authenticity-checked seller of Mary&May 6 Peptide Complex Serum is $11.97 at YesStyle — checked Oct 3, 2026. We rank on price plus shipping, and show what each price does and does not include. We never take payment to rank.
Skin compatibility
Will this suit your skin?
We run the ingredient list we hold against three curated reference lists. Skin is personal — these are notes to help you decide, not rules. Pregnancy questions belong with your doctor, and if we don't have a full ingredient list we say so instead of guessing.
Transparency
What's actually in it
Key active
Copper Tripeptide-1
listed
firming and skin repair
Key active
Palmitoyl Pentapeptide-4 (Matrixyl)
listed
stimulates collagen, smooths wrinkles
Key active
Hexapeptide-9
listed
reduces wrinkle depth
Concentrations as stated by the brand — we never estimate them from the INCI order.
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Answers