
Round Lab
A brightening serum containing 5% niacinamide, tranexamic acid, and vitamin C derivatives to target dark spots and hyperpigmentation. Features sea buckthorn extract for added antioxidant benefits and is suitable for uneven skin tone.
Antioxidant-rich hydrating and soothing botanical water
Humectant and solvent that enhances hydration
Humectant and solvent for ingredient delivery
Humectant and preservative booster. Common in K-beauty as a multifunctional alternative to traditional preservatives.
+ 15 more ingredients
Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.

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The key active ingredients in Vita Niacinamide Dark Spot Serum Special Set by Round Lab include Sea Buckthorn Water (Antioxidant-rich hydrating and soothing botanical water), Niacinamide (Brightens skin, reduces pores, and regulates sebum), Glycerin (Humectant that attracts and retains moisture), Panthenol (Provitamin B5) (Humectant and soothing agent that hydrates skin), Tranexamic Acid (brightening, anti-hyperpigmentation). Drawing on K-beauty research and community consensus, key ingredients show 83% effectiveness for hyperpigmentation in combination skin types. Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.
Vita Niacinamide Dark Spot Serum Special Set is a Korean serum by Round Lab. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.
For oily skin, the key factors in evaluating Vita Niacinamide Dark Spot Serum Special Set are comedogenic ingredient ratings, oil content, and finish type. This serum contains 13 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.
Vita Niacinamide Dark Spot Serum Special Set by Round Lab is sold through authorized retailers and the brand itself. Buy from an authorized retailer or the brand's own site rather than an open marketplace. Olive Young Global ships to most countries but no longer ships to the US. Seoul Sister tracks counterfeit indicators to help you buy genuine Korean skincare. We are an advice platform and never sell products ourselves.
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