• Seika Boost radiance serum for sensitive skin
  • Brightening serum for delicate skin texture
  • Applying radiance serum for sensitive skin
This Offer is For Limited Time Only
This Offer is For Limited Time Only
4.8 From 924 Reviews

Seika Boost – Skin Awakening

Seika Boost – Skin Awakening

A glow-activating serum that energizes the skin, brightens dullness, and revives radiance from the very first drop.

Boosts radiance – Illuminates from within

Energizes skin – Awakens dull, fatigued complexions

Evens tone – Targets unevenness and lack of clarity

Feels weightless - Perfect for morning use under SPF or makeup

24/7 Customer Support

Easy Returns

Fast Shipping

4.8/5 Star Review

★★★★★ Excellent 4.8
40,90€
40,90€
Complete Ritual – Save 0% Épuisé
4 People are looking at this
  • Visa
  • Mastercard
  • PayPal
  • Apple Pay
  • Google Pay

Seika Boost – Radiance Serum for Sensitive Skin

Seika Boost is a light and energizing radiance serum for sensitive skin, designed to brighten dull skin and awaken your natural glow. Inspired by the vibrancy of blooming mornings, it delivers clarity and comfort with each drop.

Brightening Serum for Delicate Skin

Formulated with niacinamide, licorice root, and plant-based antioxidants, this brightening serum for delicate skin helps reduce dullness and improve luminosity. It works gently, without irritation or redness.

Texture & Use

The silky texture absorbs fast, leaving the skin smooth, hydrated, and radiant. Apply Seika Boost every morning before your moisturizer or SPF to support your skin barrier and reveal a healthy glow.

Benefits

  • Boosts radiance and refines texture
  • Soothes and protects sensitive skin
  • Free from fragrance and alcohol
  • Dermatologist tested, vegan, cruelty-free, J-Beauty inspired

Ingredients


Ingredients / INCI :

Aqua, Glycerin➁, Caprylic/Capric Triglyceride, Helianthus Annuus (Sunflower) Seed Oil➀, Pentylene Glycol, Cetearyl Alcohol, Glyceryl Stearate Citrate, Sodium PCA, Cellulose, Parfum, Hydrolyzed Hyaluronic Acid, Xanthan Gum, Glyceryl Caprylate, Nasturtium Officinale (Watercress) Flower/Leaf Extract➀, Sambucus Nigra (Elder) Fruit Extract➀, Ascorbyl Palmitate, Sodium Hyaluronate, Sodium Phytate, Potassium Hydroxide, Linalool➂, Geraniol➂, Citronellol➂ ➀ Ingredients from organic farming ➁ Made using organic ingredients ➂ From natural essential oils

How to Perform the Ritual

  1. Use 3–4 drops in the morning after cleansing

  2. Gently massage into skin using upward strokes

  3. Let absorb before applying SPF or moisturizer

  4. Can be layered with other serums or gel-creams
Afficher tous les détails
Selected Variant Image
Seika Boost – Skin Awakening
40,90€
40,90€
Selected Variant Image
Seika Boost – Skin Awakening
40,90€
40,90€
Seika Boost radiance serum for sensitive skin

Why You’ll Love It

Seika — meaning “blossom” in Japanese

It captures the energy of spring renewal. This luminous serum recharges skin with brightening botanicals and gentle energizers that reduce dullness, even skin tone and bring vitality to the surface. It’s your morning burst of radiance, in a bottle.

94%

noticed a fresher, more radiant look

91%

felt their skin was less dull and tired

89%

reported visibly brighter skin tone

Awaken Your Natural Glow

A radiant serum inspired by the energy of spring. Seika Boost revives tired skin, brightens dullness and leaves your face refreshed, luminous, and full of life — every morning.

Applying radiance serum for sensitive skin

Glow, Naturally Awakened

Seika Boost revitalizes dull skin from within — no shimmer, no makeup, just your real skin at its brightest and most even.

A Light Touch, A Lasting Glow

This featherlight serum glides onto the skin like morning dew — refreshing, clean, and instantly absorbed. Powered by antioxidants and botanical actives.

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

  • Amira
    Verified Buyer
    It’s like my morning coffee — but for my skin.
  • Stéphanie
    Verified Buyer
    My skin looked dull and grey — now it feels alive again. Love this serum before my makeup.
  • Hala
    Verified Buyer
    My skin tone is so much more even and luminous. I love the light, silky texture.
  • Ania
    Verified Buyer
    I noticed a difference in just a few days. I’m glowing without makeup now.
  • Sophia
    Verified Buyer
    Finally a brightening product that feels fresh and not heavy. My face looks rested and radiant.
  • Naomie
    Verified Buyer
    It gives me a real glow without shimmer or oiliness. I use it every morning.

Questions fréquentes – Seika Boost

Est-ce adapté aux peaux sensibles ?

Oui. Sans parfum, sans alcool ni acides agressifs — sa formule douce convient à une utilisation quotidienne, même sur peau réactive.

Quand dois-je l’appliquer ?

Le matin, après le nettoyage et avant votre crème ou SPF. Il constitue une base parfaite pour votre routine éclat.

Est-ce que ça colle ?

Non. Seika Boost est léger, pénètre rapidement, et se fond parfaitement sous le maquillage ou la crème solaire.

Puis-je le combiner à d'autres sérums ?

Oui. Vous pouvez l’associer à des soins hydratants, apaisants ou renforçants comme Ame Gel ou Shizuku Serum.

Où est-il fabriqué ?

Seika Boost est formulé et fabriqué en Corée du Sud, inspiré des rituels japonais de pureté et de vitalité.