K-SECRET SEOUL 1988 Retinal Serum
- Size: 1 fl oz
- Skin Type: All, Combination, Dry, Sensitive
- Benefits: Improve Skin Elasticity, Radiant Skin
- Item Form: Serum
Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
An unscented vitamin C serum sized for daily use, aimed at improving elasticity and radiance across combination, dry and sensitive skin types.
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ASIN: B0CP3C7TTJModel: SEOUL1988 Retinal SerumCategory: Skin Care Serums
Overview
K-Secret's 30 ml vitamin C serum is formulated for all skin types, including combination, dry and sensitive skin, and is aimed at improving elasticity and adding radiance without added scent.
K-Secret lists vitamin C as the key ingredient alongside claims of improved elasticity and radiance, in a 30 ml unscented format. No seller description or ingredient concentration is provided, so the formula details beyond the headline actives are limited.
- Item form: serum
- Key ingredient: vitamin C
- Size: 30 milliliters
- Unscented, for all skin types
Who it's for
Suits people with combination, dry or sensitive skin looking for an unscented brightening step. Less suited to shoppers who want a stated percentage of active vitamin C before buying.
Pros and cons
- Unscented formula suits sensitive and combination skin
- Targets skin elasticity and radiance
- Formulated for four skin types in one serum
- No listed vitamin C concentration
- No seller description to confirm added actives
- Single 30 ml size only
Performance notes
Vitamin C serums work as antioxidants that build results with repeated daily use rather than a single application. This listing does not specify a concentration, so how quickly elasticity or radiance changes will vary by user.
Specifications
| Brand | K-Secret |
|---|---|
| Model | SEOUL1988 Retinal Serum |
| Dimensions & fit | |
| Size | 1 fl oz |
| Other details | |
| Skin Type | All, Combination, Dry, Sensitive |
| Benefits | Improve Skin Elasticity, Radiant Skin |
| Item Form | Serum |
| Scent | Unscented |
| Key Ingredients | Vitamin C |
| Addresses | Sensitive Skin |
Frequently asked questions
What skin types is the K-Secret serum formulated for?
It's formulated for all skin types, including combination, dry and sensitive skin.
Does the K-Secret Vitamin C Serum have a scent?
No, it's listed as unscented.
What size does the K-Secret serum come in?
It comes in a 30 milliliter bottle.