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K-SECRET

K-SECRET SEOUL 1988 BOOSTING SERUM : COLLAGEN COMPLEX 7 + RED GINSENG 30ml

$26.20
Delivers deep, lasting hydration that keeps skin plump throughout the day Provides intensive moisture that sinks in without heaviness Supports visible firmness and a lifted, contoured appearance

Firming & Vitality Boost
Collagen Complex 7: Supports a plumper, smoother-looking complexion.
Red Ginseng: Helps energize and revitalize the skin.
Radiance & Even-Tone Care
Niacinamide: Helps improve the look of uneven tone and texture.
Glutathione: Supports a clearer, more radiant appearance.
Deep Moisture & Barrier Support
Squalane: Provides lightweight hydration for softer skin.
Ceramide NP: Helps reinforce the skin barrier and retain moisture.

A multi-benefit serum that pairs firming care with glow and barrier support.
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Niacinamide: intercepts melanin transfer to fade spots and refine pore texture from within Collagen: replenishes surface-level structural support for bounce and plumpness Ceramides: restore the lipid mortar between skin cells to lock in moisture and keep irritants out Squalane: mimics the skin's own oils for lightweight, non-clogging hydration Ginseng: revitalizes tired skin by promoting microcirculation and cellular energy
K-SECRET SEOUL 1988 BOOSTING SERUM : COLLAGEN COMPLEX 7 + RED GINSENG 30ml
K-SECRET SEOUL 1988 BOOSTING SERUM : COLLAGEN COMPLEX 7 + RED GINSENG 30ml Default Title
$26.20
Ingredient-focused product details Clear use directions Full INCI when available Delivery confirmed at checkout
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Niacinamide

Niacinamide works at the junction between melanocytes and keratinocytes, intercepting melanin transfer before pigment reaches the visible surface. It simultaneously boosts ceramide synthesis to strengthen the lipid barrier, which is why consistent use addresses both discoloration and dehydration. In K's serum, Niacinamide targets loss of firmness, delivering delivers deep, lasting hydration that keeps skin plump throughout the day with consistent use.

Niacinamide
intercepts melanin transfer to fade spots and refine pore texture from within
Collagen
replenishes surface-level structural support for bounce and plumpness
Ceramides
restore the lipid mortar between skin cells to lock in moisture and keep irritants out
Squalane
mimics the skin's own oils for lightweight, non-clogging hydration
Ginseng
revitalizes tired skin by promoting microcirculation and cellular energy
Texture

Lightweight, absorbing

All Skin Types
Hover the swatch: it ripples like water

How to use

1

Apply after toner.

2

Smooth over face and neck.

3

Pat in gently until absorbed.

4

Follow with cream to lock in moisture.

Full transparency

Ingredients

Collagen Complex 7, red ginseng, niacinamide, glutathione, squalane, and ceramide NP support bounce, glow, and barrier comfort.

Niacinamide works at the junction between melanocytes and keratinocytes, intercepting melanin transfer before pigment reaches the visible surface. It simultaneously boosts ceramide synthesis to strengthen the lipid barrier, which is why consistent use addresses both discoloration and dehydration. In K's serum, Niacinamide targets loss of firmness, delivering delivers deep, lasting hydration that keeps skin plump throughout the day with consistent use.

The detail

Specs & details

FormatLightweight serum
SizeDefault Title
Skin typesAll Skin Types
Country of originSouth Korea
Before you add to cart

Questions & answers

After cleansing and toning, before moisturizer. Serums deliver actives most effectively on freshly prepped skin.
Yes. Apply from thinnest to thickest consistency and allow each layer to absorb before the next.
Most users notice initial improvement within 2 to 4 weeks. For full benefits like delivers deep, lasting hydration that keeps skin plump throughout the day, allow 6 to 8 weeks of consistent use.
Your skin begins adjusting. You may notice improved hydration and comfort before more visible changes like texture refinement become apparent.
Yes, this formula is developed to be compatible with all skin types dealing with loss of firmness. If you have very reactive skin, patch test on the inner arm before full application.
The formula is designed to be well-tolerated. For pregnancy-specific concerns, consult your healthcare provider. For sensitive skin, patch test before full application.
Niacinamide intercepts melanin transfer to fade spots and refine pore texture from within. Consistent daily use is key to seeing the full benefits.
Check the INCI list for the most accurate information on fragrance components. The formula is developed for minimal irritation potential.
Store in a cool, dry place away from direct sunlight. Use within 12 months of opening for optimal freshness and efficacy.
Serums have a higher concentration of targeted actives than essences and a lighter consistency than most ampoules. They deliver the most potent treatment in your routine.
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