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K-SECRET

KSECRET SEOUL 1988 Glow Serum: Niacinamide 15% + Yuja 30ml

KSECRET SEOUL 1988 Glow Serum: Niacinamide 15% + Yuja 30ml

Regular price $22.00 USD
Regular price Sale price $22.00 USD
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High-strength niacinamide & yuja serum for radiant, even-tone skin

Skin feels: Radiant · Hydrated · Smooth · Balanced

Ideal for:

  • Dull or uneven-looking
  • Post-blemish discoloration concerns
  • Oily or combination
  • In need of daily brightening care
Quantity

100%
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A lightweight brightening serum formulated with 15% Niacinamide, Yuja Oil, Tranexamic Acid, Glutathione, and Sodium Ascorbyl Phosphate to help improve the appearance of uneven-looking skin tone while keeping skin hydrated and comfortable.

  • Helps improve the appearance of dull and uneven-looking skin.
  • Supports a smoother, more radiant-looking complexion.
  • Provides lightweight hydration without a sticky finish.

Powered by a high concentration of Niacinamide alongside Tranexamic Acid, Glutathione, Sodium Ascorbyl Phosphate (a vitamin C derivative), Panthenol, Beta-Glucan, and Squalane, this serum combines brightening care with moisture-supporting ingredients. The lightweight formula absorbs quickly, making it suitable for both morning and evening skincare routines.

Why Gaia chose this: This serum combines several well-known brightening ingredients into one thoughtfully balanced formula, helping simplify routines for anyone looking to achieve a healthier-looking, more radiant complexion.

KSECRET SEOUL 1988 Glow Serum combines 15% niacinamide, tranexamic acid, glutathione, sodium ascorbyl phosphate, and yuja oil to help improve the appearance of uneven-looking skin tone while providing lightweight hydration for a brighter-looking complexion.

Ingredients

Key ingredients:

  • Niacinamide (15%): Helps improve the appearance of uneven-looking skin tone and promotes a brighter-looking complexion.
  • Tranexamic Acid: Helps improve the appearance of post-blemish discoloration and uneven-looking skin tone.
  • Glutathione: Helps promote a more radiant-looking complexion.
  • Sodium Ascorbyl Phosphate: A stable vitamin C derivative that helps support brighter-looking skin.
  • Panthenol: Helps support the skin's moisture barrier.
  • Beta-Glucan: Helps maintain skin hydration and comfort.
  • Squalane: Helps soften and moisturize the skin.
  • Yuja (Citrus Junos) Oil: Adds antioxidant-rich botanical care to the formula.

Full ingredients:

Water, Niacinamide, Butylene Glycol, Glycerin, Glycereth-26, 1,2-Hexanediol, Caprylic/Capric Triglyceride, Pentylene Glycol, Macadamia Ternifolia Seed Oil, Ammonium Acryloyldimethyltaurate/VP Copolymer, Polyglyceryl-10 Laurate, Squalane, Panthenol, Hydrogenated Polydecene, Carbomer, Tromethamine, Hydrogenated Lecithin, Polyglyceryl-3 Methylglucose Distearate, Ethylhexylglycerin, Butyrospermum Parkii (Shea) Butter, Adenosine, Sodium Hyaluronate, Gellan Gum, Agar, Sodium Phytate, Beta-Glucan, Citrus Junos Fruit Oil, Glutathione, Helianthus Annuus (Sunflower) Seed Oil, Hydroxydecyl Ubiquinone, Melia Azadirachta Flower Extract, Ocimum Sanctum Leaf Extract, Melia Azadirachta Leaf Extract, Curcuma Longa (Turmeric) Root Extract, Corallina Officinalis Extract, Tranexamic Acid, Xanthan Gum, Tocopherol, Sodium Ascorbyl Phosphate

Ingredient lists may change. Please refer to the product packaging for the most accurate and up-to-date information.

How to Use

  1. Cleanse your skin and apply toner.
  2. Apply 2–3 drops evenly across the face.
  3. Gently pat until fully absorbed.
  4. Follow with moisturizer.
  5. Finish with sunscreen during the daytime.

Ritual Step: Step 3 — Treat

When to Use: Morning and evening.

Pairs well with:

  • Ceramide Creams: Help support the skin's moisture barrier.
  • Hyaluronic Acid Serums: Boost hydration.
  • Centella Products: Help maintain skin comfort.
  • Daily Sunscreen: Helps protect the appearance of a brighter-looking complexion.

Use with care alongside: Compatible with peptides, hyaluronic acid, and most skincare ingredients. If using retinoids or exfoliating acids, introduce products gradually according to your skin's tolerance.

Frequently Asked Questions

What is the KSECRET SEOUL 1988 Glow Serum used for?
This serum helps improve the appearance of uneven-looking skin tone while providing hydration for a smoother, brighter-looking complexion.

Who is this serum best suited for?
It is suitable for most skin types, especially those concerned with dullness, uneven-looking skin tone, or the appearance of post-blemish discoloration.

Can I use this serum every day?
Yes. The formula is suitable for daily morning and evening use as part of your skincare routine.

Can I use this with vitamin C?
Yes. The formula already contains Sodium Ascorbyl Phosphate, a vitamin C derivative, and generally works well within most brightening skincare routines.

Can I use this with retinol or retinal?
Yes. Many people use this brightening serum in the morning and reserve retinol or retinal products for their evening skincare routine.

Is 15% niacinamide suitable for beginners?
If you're new to higher-strength niacinamide products, consider introducing the serum gradually and monitoring how your skin responds.

Do I need sunscreen while using this serum?
Yes. Daily sunscreen helps protect your skin and supports the appearance of a brighter, more even-looking complexion.

Does this serum provide hydration?
Yes. Ingredients including glycerin, panthenol, beta-glucan, sodium hyaluronate, and squalane help maintain skin hydration and comfort.

Shipping & Delivery

At Gaia K-Beauty, every product is thoughtfully curated for authenticity, freshness, and gentle, effective care.

📦 Ships from California

Most items ship from our California base
Processing: 1–2 business days
Delivery: ~3–7 business days within the U.S.

🌍 International Orders
Import taxes, customs duties, or related fees may apply upon arrival and are the responsibility of the buyer.

⚠️ Shipping Note
Please ensure your shipping address is complete and accurate. Orders returned due to invalid or undeliverable addresses may require a reshipping fee.

✨ Always authentic. Carefully sourced. Shipped with care.

Questions anytime: support@gaiakbeauty.com

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