Ingredient and price comparison

COSRX The Retinol 0.5 Oil vs K-Secret Seoul 1988 Serum Retinal Liposome 2% + Black Ginseng

COSRX The Retinol 0.5 Oil is dark glass dropper bottle for packaging; K-Secret Seoul 1988 Serum Retinal Liposome 2% + Black Ginseng is airless pump. They also differ on retinoid form: 0.5% Retinol versus 2% retinal liposome blend; active Retinal concentration not stated. Choose by the difference that matters to you; neither is scored as a generic winner.

COSRX The Retinol 0.5 Oil pack shotCOSRX

The Retinol 0.5 Oil

A retinoid product with 0.5% Retinol.

From $33.00 at W Cosmetics
K-Secret Seoul 1988 Serum Retinal Liposome 2% + Black Ginseng pack shotK-Secret

Seoul 1988 Serum Retinal Liposome 2% + Black Ginseng

A retinoid product with 2% retinal liposome blend; active Retinal concentration not stated.

From $28.00 at W Cosmetics

The differences that matter

CheckThe Retinol 0.5 OilSeoul 1988 Serum Retinal Liposome 2% + Black Ginseng
Packagingdark glass dropper bottleairless pump
Retinoid form0.5% Retinol2% retinal liposome blend; active Retinal concentration not stated
Starting frequency2–3 nights a week, then every other night as toleratedNot stated
StorageAvoid high temperatures and direct sunlightNot stated
Price level$$$$$

Ingredient checks

CheckThe Retinol 0.5 OilSeoul 1988 Serum Retinal Liposome 2% + Black Ginseng
FragranceNone found by this checkNone found by this check
Volatile alcoholNone found by this checkNone found by this check
SiliconesNone found by this checkNone found by this check
Petrolatum / mineral oilNone found by this checkNone found by this check

These checks describe the sourced ingredient lists; they are not safety or quality ratings.

Full ingredient lists

COSRX The Retinol 0.5 Oil

Squalane, Glycine Soja (Soybean) Oil, Di-C12-13 Alkyl Malate, Retinol (0.5%), Caprylic/Capric Triglyceride, BHT, Tocotrienols, Tocopherol, Elaeis Guineensis (Palm) Oil, Hydroxymethoxyphenyl Decanone

From wcosmetics.com.au.

K-Secret Seoul 1988 Serum Retinal Liposome 2% + Black Ginseng

Panax Ginseng Root Extract, Water, Glycerin, Dipropylene Glycol, Caprylic/ Capric Triglyceride, 1,2-Hexanediol, Niacinamide, Butylene Glycol, Methyl Gluceth-20, Polyglyce- ryl-3 Methylglucose Distearate, Hydrogenated Lecithin, Sorbitan Stearate, Ammonium Acryloyl- dimethyltaurate/VP Copolymer, Macadamia Ternifolia Seed Oil, Carbomer, Tromethamine, Betaine, Tocopherol, Ethylhexylglycerin, Helian- thus Annuus (Sunflower) Seed Oil, Adenosine, Disodium EDTA, Cholesterol, Polyglyceryl-10 Oleate, Brassica Campestris (Rapeseed) Sterols, Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate, Retinal, Silica, Aluminum/Magnesium Hydroxide Stearate, Potassium Cetyl Phosphate, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhy- drocinnamate, Arctium Lappa Root Extract, Cnidium Officinale Root Extract, Dioscorea Japonica Root Extract, Paeonia Suffruticosa Root Extract, Rehmannia Chinensis Root Extract, 3-0-Ethyl Ascorbic Acid, Bakuchiol, SH-Oligopep- tide-1, SH-Oligopeptide-2, SH-Polypeptide-1 Warnings: For external use only. Avoid contact with eyes. Discontinue if irritation occurs. Do not use on broken skin. Keep out of reach of children. Store in a cool, dry place away from sunlight

From wcosmetics.com.au.

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