The Ordinary Multi-Peptide Serum for Hair Density Versus Ouai Hydrating Scalp Serum for Healthy, Fuller Looking Hair

Biotinoyl Tripeptide-1 is a peptide.

Acetyl Tetrapeptide-3 is a peptide.

Larix Europaea is a larch tree native to Europe.

We don't have a description for Pisum Sativum Extract.

Scutellaria Baicalensis Root Extract comes from the Baikal skullcap or Chinese skullcap plant. This plant is native to Northeast Asia and can be found in China, Mongolia, Korea, and Siberia.

This ingredient is extracted from the germ part of the wheat plant. The germ of a plant refers to the seed embryo, or part that sprouts into a new plant.

We don't have a description for Glycine Soja Germ Extract.

Trifolium Pratense Flower Extract can help to reduce large pores.

Camellia Sinensis Leaf Extract is derived from the leaves of the tea plant. Black tea, green tea, and oolong tea are all harvested from this plant.

Apigenin is an antioxidant.

We don't have a description for Oleanolic Acid.

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

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

We don't have a description for Calcium Gluconate.

We don't have a description for Zinc Chloride.

Lactic Acid is an AHA that is derived from fermenting lactose, a carbohydrate from milk. It removes the top layer of old and dead skin cells and helps increase cell turnover.

Gluconolactone is a PHA. PHAs are a great gentle alternative to traditional AHAs.

We don't have a description for Dextran.

Maltodextrin is a polysaccharide. It is derived from starch such as rice, corn, wheat, or potato starch.

Hydroxyethylcellulose is used to improve the texture of products. It is created from a chemical reaction involving ethylene oxide and alkali-cellulose. Cellulose is a sugar found in plant cell walls and help give plants structure.

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.

Pentylene glycol is typically used within a product to thicken it. It also adds a smooth, soft, and moisturizing feel to the product. It is naturally found in plants such as sugar beets.

Dimethyl Isosorbide is a solvent and helps deliver actives into your skin. It is created from sorbitol.

Polysorbate 20 is made by combining ethoxylation of sorbitan, ethylene oxide, and lauric acid. It is a mild cleansing agent, surfactant, and emulsifier.

We don't have a description for Ppg-26-Buteth-26.

Peg-40 Hydrogenated Castor Oil is derived from castor oil and polyethylene glycol (PEG). It is used as a emollient and emulsifier.

Trisodium Ethylenediamine Disuccinate is used to help stabilize a product.

Sodium Metabisulfite is an antioxidant and is a preservative.

Sodium Benzoate is a preservative. It's used in both cosmetic and food products to inhibit the growth of mold and bacteria. It is typically produced synthetically.

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent germ and microbial growth. By itself, it has a scent that is similar to that of a rose.

Chlorphenesin is a synthetic preservative. It helps protect a product against bacteria in order to extend shelf life. In most cases, Chlorphenesin is paired with other preservatives such as phenoxyethanol and caprylyl glycol.