US
Tirtir

Tirtir 231231 Serum

  • Serum
  • All
  • 1 fl oz
  • Drop
4.4/ 5 on Amazon395Amazon ratings3.9ProductDome score
High confidenceLast refreshed Aug 4, 2026Amazon data + ProductDome analysis · methodology
Best forYou want an unscented hyaluronic acid serum that works across skin types.

An unscented, hyaluronic acid drop serum aimed at brightening, a reasonable everyday layering step for most skin types.

View current price on Amazon →

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ProductDome scorecard

How it ranks among the 293 serums we track

3.9/ 5ProductDome scoreHigh confidence
Owner satisfaction · 56% of scorecategory median 4.4★4.4

4.4★ across 395 Amazon ratings, Bayesian-smoothed toward the category average.

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

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

Buyer demand · 11% of score1.8

Modest tracked demand 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

Tirtir 231231 is a 1 fluid ounce drop-form serum built around hyaluronic acid, formulated for all skin types with a brightening benefit and no added scent.

The drop format and unscented profile point toward a straightforward, layerable serum step rather than a treatment with a strong sensory experience. Hyaluronic acid is the named ingredient behind the brightening claim, though the listing does not break down concentration or supporting actives.

  • Drop-form serum
  • Hyaluronic acid, brightening benefit
  • Unscented
  • For all skin types

Who it's for

Works for anyone with any skin type wanting an unscented hyaluronic acid serum in a drop dispenser. Not the choice for buyers seeking a serum targeted at a specific concern like acne or deep wrinkles, since brightening is the only stated benefit.

Strengths and trade-offs

Drawn from this product's published specifications.

What stands out
  • Hyaluronic acid formula
  • Suited to all skin types
  • 1oz drop dispenser
What to check first
  • Only one named active ingredient
  • No detail on concentration or supporting actives

Performance notes

The drop dispenser format allows controlled, small-amount application typical of serums meant to be layered under moisturizer. Hyaluronic acid is a humectant, so the brightening effect described is likely tied to improved hydration and surface smoothness rather than a pigment-targeting active.

Specifications

BrandTirtir
Model231231
Dimensions & fit
Size1 fl oz
Other details
Skin TypeAll
Item FormDrop
ScentUnscented
Key Ingredientshyaluronic acid
BenefitsBrightening

How it compares

This product against the closest alternatives we track in serums.

ProductAmazon ratingRatingsProductDome score
Tirtir 231231 SerumThis product4.4 / 53953.9 / 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 Tirtir 231231

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

What is the main active ingredient?

Hyaluronic acid.

Is this serum scented?

No, it is listed as unscented.

What skin types is it suited for?

All skin types, per the listing.