
Image: ksecretcosmetics.com
K-Secret
SEOUL 1988 Serum : Retinal Liposome 2% + Black Ginseng
A serum built around Niacinamide and Vitamin E, for barrier repair and smoothing.
Brand price
USD 22.00 · checked 8 Oct 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Dry skin
- Dark spots & pigmentation
- Fine lines & wrinkles
- Uneven texture
How to use
1 Apply After cleansing and toning, apply a small amount evenly over the face and neck. 2 Absorb Gently massage until fully absorbed, then follow with a moisturizer. Retinal Usage Tip For the first 1–2 weeks, apply a pea-sized amount to help your skin adjust. ☾ Recommended for your evening routine. *If used during the daytime, make sure to follow with sunscreen. ⧗ Start with twice a week. Once comfortable, gradually increase frequency and amount.
What's inside
Ingredients List
10 trigger at least one check · 31 trigger none
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
Key Ingredients
Benefits
Hydrating7
Boosts hydration and relieves dry, tight skin.
Betaine, Butylene Glycol, Caprylic/Capric Triglyceride, Glycerin, Helianthus Annuus Seed Oil, Methyl Gluceth-20, Tocopherol
Barrier Repair13
Strengthens and restores the skin's natural barrier.
Bakuchiol, Betaine, Brassica Campestris Sterols, Caprylic/Capric Triglyceride, Cholesterol, Glycerin, Helianthus Annuus Seed Oil, Macadamia Ternifolia Seed Oil, Niacinamide, Paeonia Suffruticosa Root Extract, Panax Ginseng Root Extract, Sh-Oligopeptide-2, Tocopherol
Smoothing8
Refines rough or uneven texture.
Bakuchiol, Brassica Campestris Sterols, Cholesterol, Helianthus Annuus Seed Oil, Macadamia Ternifolia Seed Oil, Niacinamide, Panax Ginseng Root Extract, Retinal
Antioxidant4
Shields skin from free radical damage.
3-O-Ethyl Ascorbic Acid, Bakuchiol, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Tocopherol
Anti-Pollution7
Helps defend against airborne pollutants.
Bakuchiol, Glycerin, Paeonia Suffruticosa Root Extract, Panax Ginseng Root Extract, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Sh-Oligopeptide-2, Tocopherol
Concerns
May Worsen Seborrheic Dermatitis9
May feed the yeast involved in seborrheic dermatitis.
Aluminum/Magnesium Hydroxide Stearate, Helianthus Annuus Seed Oil, Hydrogenated Lecithin, Macadamia Ternifolia Seed Oil, Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate, Polyglyceryl-10 Oleate, Polyglyceryl-3 Methylglucose Distearate, Potassium Cetyl Phosphate, Sorbitan Stearate
May Worsen Oily Skin2
May increase shine or excess oil.
Ingredients Explained
Click on any ingredient to learn more about it
Aqua
Solvent
Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Dipropylene Glycol
Fragrance, Perfuming, Solvent, Viscosity Controlling
1,1'-Oxydipropan-2-ol; Oxydipropan-2-ol; Hydroxypropyloxypropanol
Learn more about Dipropylene Glycol →Caprylic/Capric Triglyceride
Fragrance, Perfuming, Occlusive, Solvent
Caprylic/Capric Triglyceride is the mixed triester of glycerin and caprylic and capric acids.
Learn more about Caprylic/Capric Triglyceride →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →Methyl Gluceth-20
Humectant, Moisturising
Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy-, ether with methyl .beta.-d-glucopyranoside (4:1)
Learn more about Methyl Gluceth-20 →Polyglyceryl-3 Methylglucose Distearate
Emulsifying
Polyglyceryl-3 Methylglucose Distearate isn't fungal acne safe.
Learn more about Polyglyceryl-3 Methylglucose Distearate →Panax Ginseng Root Extract
Hair Conditioning, Emollient, Skin Protecting, Tonic
Panax Ginseng Root Extract is an extract of the roots of the Ginseng, Panax ginseng, Araliaceae
Learn more about Panax Ginseng Root Extract →
Dupes
- K-Secret Seoul 1988 Advanced Shot: Retinal Liposome 12% + Black Rice78% match
- Medicube Retinol NMN Boosting Serum70% match
- Arencia Retinal Booster Shot70% match
- K-Secret Seoul 1988 Glow Serum: Niacinamide 15% + Yuja69% match
- Medicube Deep Reviving Bakuchiol Retinol Serum69% match
- Dr.Althea Vitamin C Boosting Serum68% match