Rohto Mentholatum Hada Labo H.A. Supreme Cera Hydrating Serum Versus Kiehl's Clearly Corrective Dark Spot Solution

1,2-Hexanediol is a multi-tasker ingredient. It acts as a preservative to increase shelf-life and can aid other preservatives in preventing microbe growth. 1,2-Hexanediol also helps the skin retain moisture as a humectant.

Panthenol is a common ingredient that helps hydrate and soothe the skin. It can be found naturally in our skin and hair.

Alpha-Glucan Oligosaccharide is a prebiotic. It prevents harmful bacteria from growing on skin by keeping the skin's microbiome in balance.

We don't have a description for C12-14 Pareth-7.

Tromethamine is an aliphatic compound. An aliphatic compound is an organic compound with open-chained carbon atoms. It is synthetically created. Tromethamine is used to balance pH and improve texture.

Acrylates Copolymer is used as a film-forming agent and texture enhancer.

Trehalose is a disaccharide made of two glucose molecules (glucose is sugar!). Trehalose is used to help moisturize skin. It also has antioxidant properties.

Carbomer is a polymer of acrylic acid. Its main role is to create gel consistency within products.

Betaine is a common humectant (a substance that promotes retention of moisture). It's known to be gentle on the skin and can help balance hydration.

Xanthan gum is used as a stabilizer and thickener within cosmetic products. It helps give products a sticky, thick feeling - preventing them from being too runny.

Ethylhexylglycerin (we can't pronounce this either) is commonly used as a preservative and skin softener. It is derived from glyceryl.

Disodium EDTA plays a role in making products more stable by aiding other preservatives.

Hydrolyzed Hyaluronic Acid is a form of hyaluronic acid. It is created by the hydrolysis of hyaluronic acid with a high molecular weight. Once created, Hydrolyzed Hyaluronic Acid has a low molecular weight.

This form of hyaluronic acid is produced through fermentation.

Caprylic Acid is a fatty acid commonly found in plant oils, such as palm and coconut oils.

Phosphatidylcholine is a type of phospholipid. Phospholipids are naturally found in our skin as they are the main component of cell membranes. Phospholipids are skin-replenishing.

Hyaluronic acid is naturally found in healthy skin. It is a humectant, meaning it draws moisture to your skin.

Ceramide 3 is a form of ceramide.

We don't have a description for Disodium Phosphate.

We don't have a description for Sodium Phosphate.

Saccharide Isomerate comes from sugars found in corn. It is a skin hydrator.

Glyceryl Caprylate comes from glycerin and caprylic acid, a fatty acid from coconut.

Glycine is an amino acid that helps build proteins. It is already present in our skin as our bodies produce them naturally.

Moringa Oleifera Seed Oil is the oil expressed from the seeds of Moringa oleifera plant. It is more commonly known as Moringa seed oil.

Sodium Hyaluronate is hyaluronic acid's salt form. It is commonly derived from the sodium salt of hyaluronic acid.

Serine is an amino acid naturally found in our body. Our bodies use amino acids to create protein.

Glutamic Acid is an amino acid that is found in all living organisms. Our bodies use this to help nerve cells in the brain communicate with other cells.

Lysine is an essential amino acid. Your body is unable to produce it naturally and we mainly get lysine from food sources.

Algae Extract is derived from Algae. Algae is an informal term for a group of aquatic organisms that can photosynthesize. It is estimated there are at least 30,000 types of Algae.

Alanine is an amino acid and is already found in the human body.

We don't have a description for Hydrolyzed Vegetable Protein.

Threonine is an amino-acid. It helps hydrate the skin and has antioxidant benefits.

Proline is an amino-acid. It helps moisturize the skin and plays an important role in creating proteins.

Arginine is an amino acid that is important for human development. Your body uses is it to produce hair keratin and skin collagen.

Citrus Limon Fruit Extract comes from lemons. While lemon extract is exfoliating and antimicrobial, it can also cause skin sensitivity.

Phytosphingosine is a phospholipid naturally found in our skin. It helps moisturize, soothe, and protect skin.

Hydrogenated Lecithin is created from the hydrogenation of lecithin. Hydrogenation is a chemical reaction between molecule hydrogen and another element.