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4.8 From 978 Reviews

Kagayaki Serum – Firm & Smooth

Kagayaki Serum – Firm & Smooth

Radiance Reawakening Elixir

Restores radiance – Evens skin tone and revives glow

Deep hydration – Locks in moisture, plumps skin

Supports collagen – Reduces signs of fatigue and fine lines

Soothes the skin – With sakura & botanical extracts

24/7 Customer Support

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4.8/5 Star Review

★★★★★ Excellent 4.8


Regular price 39,90€
Regular price 48,90€ Sale price 39,90€
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Description


Let your skin rediscover firmness and grace with each drop of Kagayaki Serum. Born from the union of Japanese skincare discipline and poetic simplicity, this serum is more than a treatment — it's a moment. A deep breath for your skin. A soft pause at dawn or dusk. Close your eyes. You press the serum onto your cheeks. Its silky texture melts in like a second skin. Your complexion smooths, your tension releases. And in the mirror, something begins to glow again — something quietly powerful.

Ingredients


Ingredients / INCI:
Aloe Barbadensis (Aloe) Leaf Juice➀, Glycerin, Simmondsia Chinensis (Jojoba) Seed Oil➀, Aqua/Water, Pentylene Glycol, Cetearyl Alcohol, Sodium PCA, Isoamyl Laurate, Glyceryl Stearate Citrate, Dipalmitoyl Hydroxyproline, Propanediol, Parfum/Fragrance, Caprylic/Capric Triglyceride, Fragaria Ananassa (Strawberry) Seed Oil, Vaccinium Myrtillus (Blueberry) Seed Oil➀, Xanthan Gum, Hexapeptide-11, Phytosterols, Ricinus Communis (Castor) Seed Oil➀, Ascorbyl Palmitate, Hydrolyzed Hyaluronic Acid, Potassium Hydroxide, Sodium Hyaluronate, Sodium Phytate, Tocopherol, Leuconostoc/Radish Root Ferment Filtrate, Ginkgo Biloba Leaf Extract, CI 77491 (Iron Oxides)➁, Citric Acid, Sodium Benzoate, Potassium Sorbate, Glycolipids, Linalool➂, Geraniol➂, Citronellol➂ ➀ Ingredients from organic farming ➁ Pure mineral pigments ➂ From natural essential oils

How to Perform the Ritual

  1. Apply 2–3 drops onto clean, dry skin
  2. Gently massage into face and neck
  3. Use morning and night
  4. Follow with your Asahi Cream or
    Sora Oil for optimal results





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Selected Variant Image
Kagayaki Serum – Firm & Smooth
Regular price 39,90€
Regular price 48,90€ Sale price 39,90€
Selected Variant Image
Kagayaki Serum – Firm & Smooth
Regular price 39,90€
Regular price 48,90€ Sale price 39,90€

Why You’ll Love It

A Ritual of Light and Renewal

Let your skin breathe in the morning light. Kagayaki — “radiance” in Japanese — is more than a serum. It’s a sensorial moment of care. A silky elixir infused with collagen, sakura extract and niacinamide, formulated to bring your skin back to life. Smooth texture, luminous finish, poetic daily ritual.

95%

felt their skin was deeply hydrated all day long

93%

said their skin looked visibly more radiant

Soluble Collagen & Niacinamide

This powerhouse duo supports skin structure, boosts elasticity, and reduces dullness. Collagen lifts, while Niacinamide smoothes and brightens — for a luminous, youthful look that lasts.

Skin First, Glow Always

Hydrates. Brightens. Smoothes.

Kagayaki Serum delivers visible radiance, day after day. It reduces fine lines, plumps the skin, and leaves you glowing — without any heavy or greasy feel. A transformative ritual for every skin type.

Sakura Flower Extract

A timeless Japanese symbol of renewal, Sakura soothes inflammation, protects against environmental stress, and reveals a soft, even-toned complexion — petal after petal.

Why Choose Seiya Skin Over Others ?

In a world saturated with skincare brands, most promise glow — few deliver transformation. Seiya Skin isn’t just skincare. It’s a sensory ritual, a moment of stillness, a return to self. Every formula is crafted with intention — rooted in Japanese and Korean traditions, enhanced by clean clinical science.

While others flood you with marketing and filler ingredients, we offer a quiet luxury: minimalist, effective, emotionally restorative. If you’ve ever felt overwhelmed by noise, this is your sanctuary. This is where your skin, and your mind, breathe again.

Seiya Skin Other Brands
✓ Skincare as ritual, not routine ✗ Product-first, no emotional link
✓ Inspired by Japanese & Korean calm ✗ Western trend-based cycles
✓ Gentle, vegan, EU-regulated formulas ✗ Harsh actives, greenwashed claims
✓ Elegant, recyclable packaging ✗ Overdesigned or sterile plastic
✓ Made to soothe skin & elevate spirit ✗ Purely functional, no sensoriality

Real voices, real results.

Excellent

4.8

/ 5

Trusted by Over 1 067 Delighted Customers

  • Sofia
    Verified Buyer
    After just a few days, my skin felt softer, and by the end of the second week, I had that glow people actually commented on.
  • Sara
    Verified Buyer
    The texture is divine, the bottle is beautiful, and my skin tone is more even than ever. I feel confident with bare skin.
  • Marta
    Verified Buyer
    I love the way it feels on my face! It's super light and soft, which is nice. This was my first time trying this brand and I was pleasantly surprised by the gentleness. Works well for sensitive skin!
  • Léa
    Verified Buyer
    Finally, a serum that hydrates without leaving any sticky residue. It melts into my skin and feels like a morning ritual I look forward to
  • Emma
    Verified Buyer
    I love how elegant it feels. It smells so light and fresh, and my skin drinks it up instantly.
  • Yara
    Verified Buyer
    It’s not just skincare, it’s a moment for myself. My skin feels calmer, more luminous, and deeply nourished. I’ve never felt this connected to my beauty routine.”

Frequently Asked Questions

Is Kagayaki suitable for sensitive skin?

Yes. It’s formulated without alcohol, parabens or fragrance. Its lightweight, non-comedogenic texture is perfect for reactive and delicate skin.

When will I start seeing results?

Many users see a soft glow and smoother texture within 7 days. For full results — including even tone and reduced fine lines — allow 3 to 4 weeks of consistent use.

Can I layer Kagayaki with other serums or moisturizers?

Absolutely. Apply Kagayaki Serum first on clean skin, then follow with your favorite cream or facial oil. It pairs beautifully with lightweight hydrators or richer moisturizers like Tsuki Cream at night.

Is it tested on animals?

No. None of our products are tested on animals at any stage — from formulation to finished good. We are proudly cruelty-free.

Where is it made?

Kagayaki is formulated in South Korea, combining advanced skincare innovation with timeless Japanese beauty rituals.