Also known as prickly pear seed oil, Opuntia ficus indica seed oil is one of the most prized plant oils in high-performance skincare, especially for dry, compromised, or mature skin. Extracted from the seeds of...

Seabuckthorn (Hippophae rhamnoides) is a hardy, fruit-bearing shrub native to Europe and Asia, long used in traditional medicine for its healing, regenerative, and anti-inflammatory properties. In modern skincare, its extract—especially from the fruit or berry...

Serine is a naturally occurring amino acid, found in both the skin and many plant and animal proteins. It is a critical component of the Natural Moisturizing Factor (NMF), the mix of molecules that keep...

Proline is a unique, cyclic amino acid found abundantly in both plant and animal proteins. It is one of the primary building blocks of collagen—the structural protein that gives skin its firmness, elasticity, and resilience....

Arginine is a semi-essential amino acid naturally found in the body and in many plant and animal proteins. In skincare, it’s recognized for its multi-dimensional role as a building block for skin proteins, a potent...

Pectin is a naturally occurring polysaccharide, most commonly extracted from fruits such as apples and citrus. Widely known in the food industry as a gelling agent, pectin has also carved out a place in advanced...

Hydrolyzed Soy Protein is a water-soluble protein derived from the hydrolysis of soybeans (Glycine max). Through enzymatic or acid hydrolysis, large soy proteins are broken down into smaller peptides and amino acids, which are more...

Hydrolyzed Wheat Protein: The Science Behind Terra’s Barrier Repair Serum Introduction Hydrolyzed Wheat Protein (HWP) is a plant-derived protein ingredient obtained by breaking down wheat gluten into smaller fragments (peptides and amino acids). This process...

Sodium Polyglutamate Crosspolymer in Skincare: A Superior Hydrator to Hyaluronic Acid with Barrier-Repair Benefits Hyaluronic acid has long been celebrated as the go-to ingredient for hydration in skincare. But a quieter contender—sodium polyglutamate crosspolymer (a...