COSRX The 6 Peptide Skin Booster Serum Versus Good Molecules Hyaluronic Acid Boosting Essence

COSRX The 6 Peptide Skin Booster Serum Versus Good Molecules Hyaluronic Acid Boosting Essence Detailed comparison of COSRX The 6 Peptide Skin Booster Serum versus Good Molecules Hyaluronic Acid Boosting Essence. This anti-aging serum is formulated around Niacinamide and Acetyl Hexapeptide-8 to soften the look of wrinkles and strengthen the skin barrier. This hydrating essence is formulated around Hyaluronic Acid and Sodium Hyaluronate to hydrate skin and strengthen the skin barrier. No concerns Water Dipropylene Glycol Glycerin Pentylene Glycol 1,2-Hexanediol Niacinamide Acetyl Hexapeptide-8 Copper Tripeptide-1 Sh-Polypeptide-121 Dipeptide Diaminobutyroyl Benzylamide Diacetate Oligopeptide-68 Palmitoyl Tripeptide-8 Allantoin Sodium Hyaluronate Acetyl Glucosamine Serine Alanine Glycine Threonine Arginine Proline Betaine Sodium PCA Sodium Lactate PCA Glutamic Acid Lysine Hcl Tocopherol Dextran Glycine Soja Oil Hydrogenated Lecithin Ammonium Acryloyldimethyltaurate/Vp Copolymer Polyacrylate Crosspolymer-6 Butylene Glycol Xanthan Gum Ethylhexylglycerin Adenosine Polyquaternium-51 Disodium EDTA Citric Acid Caprylyl Glycol T-Butyl Alcohol Potassium Sorbate Sodium Oleate Water, Dipropylene Glycol, Glycerin, Pentylene Glycol, 1,2-Hexanediol, Niacinamide, Acetyl Hexapeptide-8, Copper Tripeptide-1, Sh-Polypeptide-121, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Oligopeptide-68, Palmitoyl Tripeptide-8, Allantoin, Sodium Hyaluronate, Acetyl Glucosamine, Serine, Alanine, Glycine, Threonine, Arginine, Proline, Betaine, Sodium PCA, Sodium Lactate, PCA, Glutamic Acid, Lysine Hcl, Tocopherol, Dextran, Glycine Soja Oil, Hydrogenated Lecithin, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Polyacrylate Crosspolymer-6, Butylene Glycol, Xanthan Gum, Ethylhexylglycerin, Adenosine, Polyquaternium-51, Disodium EDTA, Citric Acid, Caprylyl Glycol, T-Butyl Alcohol, Potassium Sorbate, Sodium Oleate Propanediol Hydroxyethyl Urea Hyaluronic Acid Hydrolyzed Hyaluronic Acid Sodium Citrate Trisodium Ethylenediamine Disuccinate Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate Magnesium Chloride Water, Butylene Glycol, Propanediol, Glycerin, 1,2-Hexanediol, Betaine, Hydroxyethyl Urea, Hyaluronic Acid, Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Sodium Citrate, Ethylhexylglycerin, Citric Acid, Trisodium Ethylenediamine Disuccinate, Tetradecyl Aminobutyroylvalylaminobutyric Urea Trifluoroacetate, Magnesium Chloride These ingredients are found in both products. Ingredients higher up in an ingredient list are typically present in a larger amount. 1,2-Hexanediol is a synthetic liquid and another multi-functional powerhouse. It is a: Humectant, drawing moisture into the skin Emollient, helping to soften skin Solvent, dispersing and stabilizing formulas Preservative booster, enhancing the antimicrobial activity of other preservatives Betaine is a humectant. Like hyaluronic acid, it helps attract and retain moisture in the skin. It’s known for being gentle and for helping the skin maintain balanced hydration. Betaine is mainly used to improve hydration and support calmer skin. It helps skin cells regulate water balance because it functions as an osmolyte. Some studies suggest betaine may support making skin tone more even. Fun fact: Betaine naturally exists in the skin and the body. In cosmetic products, it can be either plant-derived (most commonly from sugar beets) or synthetically produced for consistency and stability. Betaine is also known as trimethylglycine. Butylene Glycol (or BG) is used within cosmetic products for a few different reasons: Overall, Butylene Glycol is a safe and well-rounded ingredient that works well with other ingredients. Though this ingredient works well with most skin types, some people with sensitive skin may experience a reaction such as allergic rashes, closed comedones, or itchiness. Citric Acid is an alpha hydroxy acid (AHA) naturally found in citrus fruits like oranges, lemons, and limes. Like other AHAs, citric acid can exfoliate skin by breaking down the bonds that hold dead skin cells together. This helps reveal smoother and brighter skin underneath. However, this exfoliating effect only happens at high concentrations (20%) which can be hard to find in cosmetic products. Due to this, citric acid is usually included in small amounts as a pH adjuster. This helps keep products slightly more acidic and compatible with skin's natural pH. In skincare formulas, citric acid can: While it can provide some skin benefits, research shows lactic acid and glycolic acid are generally more effective and less irritating exfoliants. Most citric acid used in skincare today is made by fermenting sugars (usually from molasses). This synthetic version is identical to the natural citrus form but easier to stabilize and use in formulations. Rosacea skin has a lower threshold for acids generally, with 62.5% of rosacea subjects in one study reacting to lactic acid in a sting test. This is why we mark citric acid as a potential rosacea trigger. However, this ingredient shows up as a pH adjuster or chelator at roughly 0.1-1% in many products. These low levels are unlikely to be an issue for rosacea skin and becomes a potential trigger at exfoliating concentrations (20%). Because everybody's skin is unique, we recommend a patch test if you are unsure. Ethylhexylglycerin is created from glycerin. It is a multitasker ingredient that: The CIR Expert Panel