CeraVe Resurfacing Retinol Serum Versus K-Secret Seoul 1988 Serum Retinal Liposome 2% + Black Ginseng
What's inside
What's inside
Key Ingredients
Benefits
Concerns
Ingredients Side-by-side
Water
Skin ConditioningPropanediol
SolventDimethicone
EmollientCetearyl Ethylhexanoate
EmollientNiacinamide
SmoothingAmmonium Polyacryloyldimethyl Taurate
Emulsion StabilisingDipotassium Glycyrrhizate
HumectantHydrogenated Lecithin
EmulsifyingPotassium Phosphate
BufferingCeramide NP
Skin ConditioningCeramide AP
Skin ConditioningCeramide EOP
Skin ConditioningCarbomer
Emulsion StabilisingCetearyl Alcohol
EmollientBehentrimonium Methosulfate
SurfactantDimethiconol
EmollientLecithin
EmollientSodium Citrate
BufferingRetinol
Skin ConditioningSodium Hyaluronate
HumectantSodium Lauroyl Lactylate
EmulsifyingCholesterol
EmollientPhenoxyethanol
PreservativeAlcohol
AntimicrobialIsopropyl Myristate
EmollientCaprylyl Glycol
EmollientCitric Acid
BufferingTrisodium Ethylenediamine Disuccinate
Pentylene Glycol
Skin ConditioningPhytosphingosine
Skin ConditioningXanthan Gum
EmulsifyingPolysorbate 20
EmulsifyingEthylhexylglycerin
Skin ConditioningWater, Propanediol, Dimethicone, Cetearyl Ethylhexanoate, Niacinamide, Ammonium Polyacryloyldimethyl Taurate, Dipotassium Glycyrrhizate, Hydrogenated Lecithin, Potassium Phosphate, Ceramide NP, Ceramide AP, Ceramide EOP, Carbomer, Cetearyl Alcohol, Behentrimonium Methosulfate, Dimethiconol, Lecithin, Sodium Citrate, Retinol, Sodium Hyaluronate, Sodium Lauroyl Lactylate, Cholesterol, Phenoxyethanol, Alcohol, Isopropyl Myristate, Caprylyl Glycol, Citric Acid, Trisodium Ethylenediamine Disuccinate, Pentylene Glycol, Phytosphingosine, Xanthan Gum, Polysorbate 20, Ethylhexylglycerin
Panax Ginseng Root Extract
EmollientWater
Skin ConditioningGlycerin
HumectantDipropylene Glycol
HumectantCaprylic/Capric Triglyceride
Masking1,2-Hexanediol
Skin ConditioningNiacinamide
SmoothingButylene Glycol
HumectantMethyl Gluceth-20
HumectantPolyglyceryl-3 Methylglucose Distearate
EmulsifyingHydrogenated Lecithin
EmulsifyingSorbitan Stearate
EmulsifyingAmmonium Acryloyldimethyltaurate/Vp Copolymer
Macadamia Ternifolia Seed Oil
EmollientCarbomer
Emulsion StabilisingTromethamine
BufferingBetaine
HumectantTocopherol
AntioxidantEthylhexylglycerin
Skin ConditioningHelianthus Annuus Seed Oil
EmollientAdenosine
Skin ConditioningDisodium EDTA
Cholesterol
EmollientPolyglyceryl-10 Oleate
Skin ConditioningBrassica Campestris Sterols
EmollientPhytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate
Skin ConditioningRetinal
Skin ConditioningSilica
AbrasiveAluminum/Magnesium Hydroxide Stearate
Emulsion StabilisingPotassium Cetyl Phosphate
EmulsifyingPentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
AntioxidantArctium Lappa Root Extract
Skin ConditioningCnidium Officinale Root Extract
Skin ConditioningDioscorea Japonica Root Extract
Skin ConditioningPaeonia Suffruticosa Root Extract
Skin ProtectingRehmannia Chinensis Root Extract
Skin Conditioning3-O-Ethyl Ascorbic Acid
Skin ConditioningBakuchiol
AntimicrobialSh-Oligopeptide-1
Skin ConditioningSh-Oligopeptide-2
Skin ConditioningSh-Polypeptide-1
Skin ConditioningPanax Ginseng Root Extract, Water, Glycerin, Dipropylene Glycol, Caprylic/Capric Triglyceride, 1,2-Hexanediol, Niacinamide, Butylene Glycol, Methyl Gluceth-20, Polyglyceryl-3 Methylglucose Distearate, Hydrogenated Lecithin, Sorbitan Stearate, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Macadamia Ternifolia Seed Oil, Carbomer, Tromethamine, Betaine, Tocopherol, Ethylhexylglycerin, Helianthus Annuus Seed Oil, Adenosine, Disodium EDTA, Cholesterol, Polyglyceryl-10 Oleate, Brassica Campestris Sterols, Phytosteryl/Behenyl/Octyldodecyl Lauroyl Glutamate, Retinal, Silica, Aluminum/Magnesium Hydroxide Stearate, Potassium Cetyl Phosphate, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Arctium Lappa Root Extract, Cnidium Officinale Root Extract, Dioscorea Japonica Root Extract, Paeonia Suffruticosa Root Extract, Rehmannia Chinensis Root Extract, 3-O-Ethyl Ascorbic Acid, Bakuchiol, Sh-Oligopeptide-1, Sh-Oligopeptide-2, Sh-Polypeptide-1
Reviews
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Carbomer is a high-molecular weight polymer of acrylic acid. It is used to form gels and thicken formulas.
Due to its large molecular size, carbomer has minimal skin penetration and is considered an inert ingredient.
A high amount of carbomer can cause pilling or balling up of products. Don't worry, most products contain 1% or less of carbomer.
Learn more about CarbomerCholesterol is a lipid that is naturally found in human skin and is one of the three key components of your skin barrier. In skincare, it is an emollient and barrier-repairing ingredient.
It works by fitting directly into the lipid layers of skin to help restore structure and reduce transepidermal water loss (TEWL).
This is a great ingredient for dry, compromised, or aging skin; our skin starts to produce less cholesterol with age.
Research shows cholesterol works best in combination with ceramides and fatty acids, the other two major components in your skin barrier.
Cholesterol is also a well-establish penetration enhancer and can help other actives absorb more effectively.
Cosmetic-grade cholesterol is usually derived from lanolin but plant and synthetic options also exist. We recommend reaching out to the brand if you have questions about their source of cholesterol.
Learn more about CholesterolEthylhexylglycerin is created from glycerin. It is a multitasker ingredient that:
The CIR Expert Panel found minimal skin absorption or sensitization of any kind in a safety assessment. Though this ingredient is considered well-tolerated, a small number of cases of allergic dermatitis have been published since 2002. Just be sure to patch test if you are unsure.
Industry-reported use ranges from 8% in rinse-off products and 2% in leave-on formulations.
Learn more about EthylhexylglycerinHydrogenated Lecithin is a more stable version of lecithin.
It's made by taking lecithin (a phospholipid commonly found in soybeans and egg yolks) and hydrogenating it. This just means the unsaturated fatty acids are turned into saturated ones so they don't go bad as easily.
This ingredient is an emollient, emulsifier, and penetration enhancer. As an emollient, it helps soften and hydrate skin by trapping moisture within. As an emulsifier, it prevents oil and water ingredients from separating.
Hydrogenated Lecithin can form tiny spherical structures made of phospholipid bilayers called liposomes. These liposomes are able to capture compounds inside their structure and deliver them through the skin barrier.
Because phospholipids are a natural component of our cell membranes, this ingredient is inherently compatible with skin.
A 2021 study found lecithin-based surfactants were less harsh and more tolerable comared to Sodium Lauryl Sulfate (SLS).
Learn more about Hydrogenated LecithinNiacinamide is a multitasking form of vitamin B3 that strengthens the skin barrier, reduces pores and dark spots, regulates oil, and improves signs of aging.
And the best part? It's gentle and well-tolerated by most skin types, including sensitive and reactive skin.
You might have heard of "niacin flush", or the reddening of skin that causes itchiness. Niacinamide has not been found to cause this.
In very rare cases, some individuals may not be able to tolerate niacinamide at all or experience an allergic reaction to it.
If you are experiencing flaking, irritation, and dryness with this ingredient, be sure to double check all your products as this ingredient can be found in all categories of skincare.
When incorporating niacinamide into your routine, look out for concentration amounts. Typically, 5% niacinamide provides benefits such as fading dark spots. However, if you have sensitive skin, it is better to begin with a smaller concentration.
When you apply niacinamide to your skin, your body converts it into nicotinamide adenine dinucleotide (NAD). NAD is an essential coenzyme that is already found in your cells as "fuel" and powers countless biological processes.
In your skin, NAD helps repair cell damage, produce new healthy cells, support collagen production, strengthen the skin barrier, and fight environmental stressors (like UV and pollution).
Our natural NAD levels start to decline with age, leading to slower skin repair, visible aging, and a weaker skin barrier. By providing your skin niacinamide, you're recharging your skin's NAD levels. This leads to stronger, healthier, and younger looking skin.
Another name for vitamin B3 is nicotinamide. This vitamin is water-soluble and our bodies don't store it. We obtain Vitamin B3 from either food or skincare. Meat, fish, wheat, yeast, and leafy greens contain vitamin B3.
The type of niacinamide used in skincare is synthetically created.
Learn more about NiacinamideWater. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.
So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.
You'll also recognize water as that liquid we all need to stay alive. If you see this, drink a glass of water. Remember to stay hydrated!
Learn more about Water