Round Lab

Vita Niacinamide Dark Spot Serum

Name: Vita Niacinamide Dark Spot Serum
Brand: Round Lab

비타 나이아신 잡티 세럼

Triple brightening with niacinamide, tranexamic acid, and stable vitamin C — built on a sea buckthorn water base that targets dark spots without irritation.

나이아신아마이드, 트라넥삼산, 안정형 비타민C의 트리플 브라이트닝 — 비타민 나무 수액 베이스로 자극 없이 잡티를 집중 케어해요.

Benefits

Triple brightening complex fades dark spots and evens skin tone
Sea buckthorn water base delivers antioxidants from the first drop
Alcohol-free, fragrance-free — safe for sensitive and reactive skin

효능

트리플 브라이트닝 콤플렉스가 잡티를 완화하고 피부 톤을 균일하게
비타민나무 수액 베이스가 첫 방울부터 항산화 성분을 전달
무알콜, 무향료 — 민감하고 예민한 피부에도 안심 사용

Best For

Dark spots
Uneven skin tone
Post-acne marks
Dull skin

How to Use

After cleansing and toning, apply 2-3 drops to face and gently pat until absorbed. Use morning and evening. Follow with moisturizer and sunscreen (AM).

Key Ingredients

Niacinamide: Vitamin B3 — the serum's primary active at a high concentration. Inhibits melanosome transfer from melanocytes to keratinocytes, which is the actual mechanism behind dark spot fading. Also strengthens the skin barrier by boosting ceramide production.
Tranexamic Acid: Amino acid derivative that targets stubborn pigmentation. Blocks plasmin activity, which disrupts the inflammatory cascade that triggers melanin overproduction. Especially effective on melasma and post-inflammatory hyperpigmentation that niacinamide alone can't fully address.
3-O-Ethyl Ascorbic Acid: Stable vitamin C derivative that doesn't oxidize in the bottle. Converts to active ascorbic acid inside the skin. Inhibits tyrosinase — the enzyme that starts melanin production — while also scavenging free radicals that trigger pigmentation.
Sea Buckthorn Water: The serum's base — replaces plain water with antioxidant-rich plant water. Sea buckthorn (Hippophae rhamnoides) contains over 190 bioactive compounds including vitamins C, E, carotenoids, and flavonoids. Using it as the base means every layer of the formula carries antioxidant activity.
Glutathione: The body's master antioxidant, now applied topically. Converts eumelanin (dark pigment) to pheomelanin (lighter pigment) by interfering with melanin synthesis pathways. Works synergistically with vitamin C — each renewing the other.
Panthenol: Provitamin B5 for hydration and barrier support. Converts to pantothenic acid in the skin, accelerating lipid barrier repair and reducing transepidermal water loss. Keeps skin hydrated while the actives do the brightening work.
Ceramide NP: Skin-identical lipid for barrier reinforcement. Makes up ~50% of the stratum corneum lipid matrix. Ensures the brightening actives don't compromise barrier integrity — a common issue with high-potency brightening serums.