
KSECRET
A concentrated retinal serum featuring 1,200 ppm of stabilized retinal (vitamin A aldehyde) combined with niacinamide and panthenol to improve skin texture, reduce fine lines, and enhance skin clarity. Formulated with traditional Korean herbal extracts and moisturizing botanicals for anti-aging benefits with minimal irritation.
Humectant and solvent for ingredient delivery
Emollient and lightweight skin conditioner
Humectant that attracts and retains moisture
Humectant and preservative booster. Common in K-beauty as a multifunctional alternative to traditional preservatives.
+ 15 more ingredients
Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.
The key active ingredients in Seoul 1988 Advanced Retinal Shot by KSECRET include Glycerin (Humectant that attracts and retains moisture), Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Shea Butter (Emollient that moisturizes and softens skin), Macadamia Seed Oil (Emollient oil that moisturizes and softens skin), Hydrogenated Lecithin (Emollient and skin barrier enhancer). Drawing on K-beauty research and community consensus, key ingredients show 82% effectiveness for acne in oily skin types. Seoul Sister tracks ingredient effectiveness across 5,900+ K-beauty products to provide data-backed recommendations.
Seoul 1988 Advanced Retinal Shot is a Korean serum by KSECRET. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.
For oily skin, the key factors in evaluating Seoul 1988 Advanced Retinal Shot are comedogenic ingredient ratings, oil content, and finish type. This serum contains 7 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.
Seoul 1988 Advanced Retinal Shot by KSECRET starts from $13.86 USD for 15ml. Seoul Sister tracks pricing at Olive Young, with price drop alerts for Pro members. Seoul Sister does not sell products — we compare retailer pricing so you can buy from the source.
Seoul 1988 Advanced Retinal Shot by KSECRET is tracked at Olive Young. Prices start from $13.86 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products. We are an advice platform and never sell products ourselves.
That $11 Korean cleanser outperforming your $38 one is not hiding anything. The low price comes from how the Korean beauty industry is built, not from what is in the bottle. With one geographic catch.
Sulwhasoo First Care Serum is a $90+ luxury product, which makes it one of the most counterfeited items in K-beauty. Here are five verifiable checks (from packaging weight to barcode origin) to confirm your bottle is real before it touches your face.