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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

Easy Returns

Fast Shipping

4.8/5 Star Review

★★★★★ Excellent 4.8


Prix habituel 39,90€
Prix habituel 59,99€ Prix promotionnel 39,90€
Complete Ritual – Save 33% Épuisé
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Kagayaki Serum – Firming Serum for Sensitive Skin

Kagayaki Serum is a refined firming serum for sensitive skin, created to enhance elasticity, smooth fine lines, and restore bounce without irritation. Rooted in Japanese skin rituals, this serum strengthens and tones the skin while respecting its delicate nature.

Smoothing Serum for Delicate Skin

Its formula blends collagen-boosting peptides, seaweed extract, and panthenol to firm the skin and improve texture. This smoothing serum for delicate skin brings immediate softness and long-term firmness, with a fresh, non-sticky finish.

Texture & Use

Lightweight yet deeply nourishing, Kagayaki Serum absorbs quickly and layers perfectly under creams or SPF. Apply it morning and night on clean skin to help fight early signs of aging while keeping your skin calm, smooth, and visibly lifted.

Benefits

  • Firms and smooths without irritating sensitive skin
  • Supports collagen and improves elasticity
  • Fragrance-free, alcohol-free, and dermatologist approved
  • Vegan, cruelty-free, inspired by J-Beauty rituals

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
Prix habituel 39,90€
Prix habituel 59,99€ Prix promotionnel 39,90€
Selected Variant Image
Kagayaki Serum – Firm & Smooth
Prix habituel 39,90€
Prix habituel 59,99€ Prix promotionnel 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.

Pourquoi choisir Seiya Skin ?

Seiya Skin

Le soin comme rituel, pas comme routine

Inspiré par la sérénité japonaise & coréenne

Formules douces, véganes, conformes UE

Packaging élégant & recyclable

Apaise la peau & élève l’esprit

Autres marques

Produits sans dimension émotionnelle

Cycles de tendances occidentales

Actifs agressifs & promesses floues

Plastique stérile ou surdesigné

Fonctionnel, sans expérience sensorielle

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.”

Questions fréquentes – Kagayaki Serum

Kagayaki convient-il aux peaux sensibles ?

Oui. Sa formule est sans alcool, sans parabènes et sans parfum. Sa texture légère et non comédogène est idéale pour les peaux sensibles ou réactives.

Quand vais-je commencer à voir les résultats ?

De nombreux utilisateurs constatent un éclat doux et une texture plus lisse en 7 jours. Pour des résultats complets — teint uniforme, ridules atténuées — comptez 3 à 4 semaines d’utilisation régulière.

Puis-je le superposer avec d’autres sérums ou crèmes ?

Absolument. Appliquez d’abord Kagayaki Serum sur peau propre, puis votre crème ou huile favorite. Il se combine parfaitement à des soins légers ou plus riches comme la Tsuki Cream.

Vos produits sont-ils testés sur les animaux ?

Non. Aucun de nos produits n’est testé sur les animaux, à aucun stade. Nous sommes fièrement cruelty-free.

Où est-il fabriqué ?

Kagayaki est formulé en Corée du Sud, alliant innovation dermocosmétique et rituels japonais de beauté intemporelle.