SKU: 47457686500

K-SECRET SEOUL 1988 Glow Serum : Niacinamide 15% + Yuja

Sale price$540.00 Regular price$600.00
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

K-SECRET SEOUL 1988 Glow Serum : Niacinamide 15% + YujaIgnite Your Inner Radiance with High Potency Niacinamide Unlock the secret to a luminous, "glass skin" complexion with the K SECRET SEOUL 1988 Glow Serum. This high performance formula is meticulously engineered for those who refuse to settle for dullness. Featuring a professional grade 15% Niacinamide concentration, this serum acts as a powerful corrective treatment that targets stubborn pigmentation and dark spots at their source. By refining your

Ignite Your Inner Radiance with High-Potency Niacinamide

Unlock the secret to a luminous, "glass skin" complexion with the K-SECRET SEOUL 1988 Glow Serum. This high-performance formula is meticulously engineered for those who refuse to settle for dullness. Featuring a professional-grade 15% Niacinamide concentration, this serum acts as a powerful corrective treatment that targets stubborn pigmentation and dark spots at their source. By refining your skin's surface and shrinking the appearance of enlarged pores, it transforms a tired visage into a canvas of visible radiance. Experience the confidence that comes with a perfectly balanced, crystal-clear skin tone that looks as vibrant as the heart of Seoul.


The Brightening Magic of Yuja and Glutathione

Infuse your skincare ritual with the revitalizing energy of the Yuja (Citrus Junos) extract. Known for containing three times more Vitamin C than lemons, Yuja works in harmony with the antioxidant powerhouse Glutathione to provide an unparalleled brightening effect. This dynamic duo sweeps away oxidative stress and neutralizes environmental damage, effectively correcting uneven tone and sallow undertones. As you apply this silky serum, the fresh, botanical essence invigorates your senses while the active ingredients work deep within the dermis to reveal a fresher, younger-looking version of yourself.


Deep Hydration and Barrier Support for Lasting Comfort

A truly effective glow requires a foundation of health and hydration. Unlike harsh brightening treatments that can leave skin feeling stripped, the SEOUL 1988 Glow Serum is enriched with a sophisticated blend of barrier-supporting humectants. Ingredients like Squalane, Glycerin, and Butylene Glycol work alongside nourishing botanical oils to lock in moisture and soothe the skin’s surface. This ensures that while you are achieving maximum correction, your skin remains incredibly soft, supple, and comfortable. It is the perfect marriage of clinical strength and skin comfort, providing a resilient moisture barrier that glows with health from the inside out.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 47457686500

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4.3 ★★★★★
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Tony Abbott
Chelsea, US
★★★★★ 5
Good oil
Size: 5 Quarts
I have used Castrol GTX/edge for 40 years, works well, never wanted to change, good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
E
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Edmond Ilunga Kaninda
Whiting, US
★★★★★ 5
Excellent engine oil
Size: 5 Quarts, Size: 5 Quarts
This is the best oil that I ever used.I have used it in my Toyota Noah 2006-2007 model…The engine is as quiet as new…wanted to see how it would perform.It has clocked 3,500km.This is good and have recommended to my friends and family
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Reviewed in the United States on May 23, 2026
D
Verified Purchase
Dawn S.
Omaha, US
★★★★★ 5
Top-tier engine protection that runs quiet and smooth
Size: 5 Quarts
I’ve used Castrol EDGE in a couple of our vehicles and always come back to it for consistent performance. It extends the time between oil changes and holds up well under both daily driving and highway mileage. We don't "extend the time" though. It's changed, on the dot, every time. The consistency and quality of the oil's condition at change, though, is easily able to be seen that it would go for much longer. Engine runs quieter, and I’ve noticed better fuel efficiency over time compared to conventional oil. Whether that's how attentively I drive and watch the mileage meter on the dash or the oil - is up for debate ;) It doesn’t burn off as quickly either, which is great if you’re keeping an eye on long-term engine health. The bottle design pours cleanly with a smart spout, which saves unnecessary messes in the garage. Pros: Strong wear protection and long-lasting Improves engine quietness Easy-pour design Tip: Use it with a high-quality oil filter for maximum benefit don’t skimp on either part and you'll be golden.
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Reviewed in the United States on June 26, 2025
E
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Eric C.
West Palm Beach, US
★★★★★ 5
Excellent choice for long oil change intervals.
Size: 1 Quart, Pack of 6
I'm a former dealership mechanic and for years I used whatever we had in the bulk tank which was usually Valvoline conventional. My last job was at a German car dealership. Castrol was the oil recommended by the German manufacturers and that's when I started using Castrol. In my experience Castrol is an excellent oil. My 2014 Ford just rolled over 242,000 miles and even with factory 10,000 mile oil change intervals, from what I can see through the oil fill the top end of the engine is still clean. I've never had to remove the valve cover. It's using about a quart between oil 10,000 mile oil changes which is great because when it was new it used about a 1/2 quart between changes.
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Reviewed in the United States on January 28, 2026
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Doraiky
Charlottesville, US
★★★★★ 5
Bueno
Size: 5 Quarts
Bueno
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Reviewed in the United States on June 3, 2026

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