
Image: ksecretcosmetics.com
K-Secret
Seoul 1988 Sleeping Mask: Collagen Complex 7 + Red Bean
A mask built around Niacinamide and Panthenol, for hydration and barrier repair.
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
- Sensitive skin
- Fine lines & wrinkles
- Dryness & dehydration
- Eczema-prone
How to use
Apply the sleeping mask evenly to face before bed. Gently massage until the vitamin capsules are fully absorbed. Rinse off in the morning.
What's inside
Ingredients List
20 trigger at least one check · 31 trigger none
- Fatty esters (glyceryl stearate, PEG-100 stearate)
- May Worsen Seborrheic Dermatitis
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
- Panthenol (provitamin B5)
- Barrier Repair
- Hydrating
- Reduces Irritation
Key Ingredients
Hyaluronic acid2
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Benefits
Hydrating19
Boosts hydration and relieves dry, tight skin.
Betaine, Butylene Glycol, Collagen, Collagen Water, Glycereth-26, Glycerin, Glyceryl Acrylate/Acrylic Acid Copolymer, Helianthus Annuus Seed Oil, Hyaluronic Acid, Hydrolyzed Collagen, Hydrolyzed Hyaluronic Acid, Mannitol, Panthenol, Phaseolus Angularis Seed Extract, Propanediol, Sodium Hyaluronate, Soluble Collagen, Tocopherol, Trehalose
Barrier Repair12
Strengthens and restores the skin's natural barrier.
Betaine, Cetearyl Olivate, Cetyl Ethylhexanoate, Glycerin, Helianthus Annuus Seed Oil, Hydrolyzed Collagen, Niacinamide, Panthenol, Phaseolus Angularis Seed Extract, Soluble Collagen Crosspolymer, Tocopherol, Zea Mays Starch
Smoothing7
Refines rough or uneven texture.
Cetearyl Olivate, Cetyl Ethylhexanoate, Helianthus Annuus Seed Oil, Hydrolyzed Collagen, Niacinamide, Phaseolus Angularis Seed Extract, Soluble Collagen Crosspolymer
Antioxidant5
Shields skin from free radical damage.
Haematococcus Pluvialis Extract, Hydroxyacetophenone, Phaseolus Angularis Seed Extract, Tocopherol, Tocopheryl Acetate
Anti-Pollution7
Helps defend against airborne pollutants.
Glycerin, Haematococcus Pluvialis Extract, Hydroxyacetophenone, Phaseolus Angularis Seed Extract, Tocopherol, Tocopheryl Acetate, Zea Mays Starch
Concerns
May Worsen Seborrheic Dermatitis9
May feed the yeast involved in seborrheic dermatitis.
Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Cetearyl Olivate, Cetyl Ethylhexanoate, Helianthus Annuus Seed Oil, Hydrogenated Lecithin, Polysorbate 20, Potassium Cocoyl Hydrolyzed Collagen, Sorbitan Isostearate, Sorbitan Olivate
May Worsen Keratosis Pilaris2
May clog follicles or strip skin prone to keratosis pilaris.
Ingredients Explained
Click on any ingredient to learn more about it
Water
Antiplaque, Skin Conditioning, Solvent
Aqua (EU),Deionized Water,Distilled Water,Micromatrix Fractile AN,Onsen-Sui (JPN),Purified Water
Learn more about Water →Collagen Water
Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Collagen Water is animal-derived.
Learn more about Collagen Water →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 →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 →Glycereth-26
Humectant, Viscosity Controlling
Poly(oxy-1,2-ethanediyl)], .alpha.,.alpha.',.alpha.''-1,2,3-propanetriyltris[.omega.-hydroxy-
Learn more about Glycereth-26 →Cetyl Ethylhexanoate
Emollient
Cetyl Ethylhexanoate isn't fungal acne safe.
Learn more about Cetyl Ethylhexanoate →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Panthenol
Antistatic, Hair Conditioning, Skin Conditioning
Panthenol is panthenol (provitamin B5).
Learn more about Panthenol →Hydrolyzed Collagen
Antistatic, Film Forming, Hair Conditioning, Humectant, Skin Conditioning, Emollient
Hydrolyzed Collagen is animal-derived.
Learn more about Hydrolyzed Collagen →
Dupes
- VT Cosmetics Hydrop Reedle Shot 100 2 Step Hydrogel Mask69% match
- Torriden CELLMAZING Pore Perfecting Mask68% match
- ROUND LAB Camellia Deep Collagen Firming Gel Mask67% match
- Torriden CELLMAZING Brightening Mask67% match
- K-Secret Seoul 1988 Retinal Active Shot Mask Sheet: Retinal Liposome + Calendula Flower67% match
- Medicube PDRN Pink Tension Up Mask67% match