US
Tosowoong

Tosowoong Serum

  • Serum
  • All
  • 1.1 fl oz
  • Drop
4.4/ 5 on Amazon333Amazon ratings12,000,000+bought last month4.2ProductDome score
High confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou are specifically looking for a copper peptide serum in drop format

A drop format serum branded around copper peptides, rated 4.4 stars from 333 reviews, though ingredient concentration is not detailed here.

View current price on Amazon →

As an Amazon Associate, ProductDome may earn a commission from qualifying purchases made through links on this page.

ProductDome scorecard

How it ranks among the 293 serums we track

4.2/ 5ProductDome scoreHigh confidence
Owner satisfaction · 56% of scorecategory median 4.4★4.4

4.4★ across 333 Amazon ratings, Bayesian-smoothed toward the category average.

Evidence strength · 17% of scorecategory median 398 ratings3.2

333 Amazon ratings, weighted on a log scale so huge counts don't drown everything.

Buyer demand · 11% of score5.0

12,000,000+ bought on Amazon last month.

Data quality · 11% of score3.8

Brand identity, imagery, description and spec coverage.

The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 293 serums we track - how the scorecard works · full serums data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.

Overview

Tosowoong's serum is a drop format product at 1.11 fluid ounces, listed under a copper peptide product name and marked suited to all skin types.

The listing's scent field names the product as a copper peptide face serum, which reads as a product line name rather than an actual fragrance description. Copper peptides are a well known ingredient category in skin care associated with collagen support, though this listing does not confirm concentration or supporting actives. The copper peptide reference is best read as a product name rather than a documented formula claim.

  • Drop item form
  • Suits all skin types per listing
  • 1.11 fluid ounce size
  • Copper peptide product line

Who it's for

For shoppers specifically interested in copper peptide serums who are comfortable that this listing does not spell out concentration or a full ingredient list. Less suited to anyone wanting a fragrance profile confirmed, since scent is not clearly listed apart from the product name.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Drop dispenser for controlled application
  • 1.11 fluid ounce size
  • Copper peptide branded formula
What to check first
  • Ingredient concentration not listed
  • No seller description provided

Performance notes

Drop dispensers allow controlled, small amount application compared to a pump, which suits a serum meant to be layered under other products. The copper peptide branding suggests a collagen support angle, but the listing does not detail supporting ingredients or concentration.

Specifications

BrandTosowoong
Skin TypeAll
Size1.1 fl oz
Item FormDrop
ScentCopper Peptide Face Serum

How it compares

This product against the closest alternatives we track in serums.

ProductAmazon ratingRatingsProductDome score
Tosowoong SerumThis product4.4 / 53334.2 / 5
Glow Recipe 2404846 SerumGlow Recipe4.6 / 58,4004.6 / 5
mixsoon 8809732910159 Serummixsoon4.5 / 510,1274.5 / 5
Beauty of Joseon 8809738312728 SerumBeauty of Joseon4.5 / 59,4614.5 / 5
medicube 8809982768524 Serummedicube4.6 / 55,1034.5 / 5
Frequently asked

Questions about the Tosowoong serums

Common buyer questions answered straight from the product spec data - no fluff, no "it depends".

What does drop item form mean for this serum?

It dispenses in individual drops rather than a pump or spray.

Is this serum fragrance free?

The listing does not clearly separate scent from the product name, so this is not confirmed.

What size is the Tosowoong serum?

1.11 fluid ounces.