TIRTIR Niacinamide 20% Serum 30ml
- Size: 1 fl oz
- Skin Type: All
- Benefits: Brightening
- Item Form: Drop
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
An unscented, hyaluronic acid drop serum aimed at brightening, a reasonable everyday layering step for most skin types.
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ASIN: B0CNT5D8J7Model: Niacinamide 20% SerumCategory: Skin Care Serums
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.
Pros and cons
- Hyaluronic acid formula
- Suited to all skin types
- 1oz drop dispenser
- 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
| Brand | Tirtir |
|---|---|
| Model | Niacinamide 20% Serum |
| Dimensions & fit | |
| Size | 1 fl oz |
| Other details | |
| Skin Type | All |
| Benefits | Brightening |
| Item Form | Drop |
| Scent | Unscented |
| Key Ingredients | hyaluronic acid |
Frequently asked questions
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.