Results for “Kérastase”

Antioxidant mineral; supports immunity and the health of hair and nails.

L-carnitine is a quaternary amino-acid derivative, chemically described as β-hydroxy-γ-trimethylaminobutyric acid, naturally present in the human body and in foods, especially those of animal origin. In supplements it is commonly used as free-form L-carnitine or as salts/esters that supply L-carnitine, such as L-carnitine L-tartrate, acetyl-L-carnitine, and propionyl-L-carnitine. These forms appear in capsules, tablets, powders, or liquids, with serving amounts varying widely depending on the formula. In cosmetics it may be included as a functional ingredient in leave-on or rinse-off products, typically at low concentrations and declared on the INCI list. On labels it can also appear as “carnitine” or under the specific form name, clearly indicating the source of the active substance. As a raw material it is typically offered with standardized purity and is often used in blended formulas alongside other amino acids, vitamins, or other supplement ingredients.

Salicylic acid is an aromatic organic acid (2‑hydroxybenzoic acid) that occurs naturally in some plants and is widely used as a functional cosmetic ingredient. In formulations it appears as a crystalline powder and is typically incorporated via suitable phases/solvent systems, used either as the free acid or as salicylate salts (e.g., sodium salicylate, potassium salicylate, TEA‑salicylate). In skincare it is found in both leave‑on and rinse‑off products such as gels, serums, toners, creams, and cleansers, where the level is commonly expressed as “acid” (salicylic‑acid equivalent). In haircare it can be present in shampoos and scalp products. In some formulations it may also be used as a preservative, under specific regulatory conditions. pH selection and solubilisation strategy are part of the formulation design to keep the ingredient stable and compatible with other components.

Centella asiatica is a herbaceous plant from the Apiaceae family, widely used in cosmetics as a source of botanical extracts. In formulations it most often appears as extracts from aerial parts or leaves, declared under INCI names such as Centella Asiatica Extract or Centella Asiatica Leaf Extract, alongside other closely related centella-derived entries. Extracts may be prepared in water, glycerin, or other cosmetic solvents and are frequently standardised to characteristic triterpene fractions often referred to in cosmetic literature as “centellosides” (e.g., asiaticoside, madecassoside) or as a titrated extract. In skincare it is incorporated into a range of textures including creams, serums, gels, and emulsions, typically as a botanical component of the water phase or as a solubilised extract. Labels may also list cell-culture derived materials (e.g., callus/meristem cell culture) or leaf water, which remain centella-derived materials from the same botanical source. When used in food supplements, it is generally presented as a plant extract in capsules or powders, with specifications that vary by manufacturer.

Rose hip (Rosa canina) is a wild rose species; in products, the main material used is its fruit, commonly called the “hip”, as well as the seeds. In supplements it appears as dried fruit powder, fruit extract (e.g., extraction ratios such as 4:1), or as a standardised extract, typically presented in capsules, tablets, powders, or blended botanical formulas. In cosmetics it is listed under INCI names such as Rosa Canina Fruit Extract, Rosa Canina Fruit Oil, or Rosa Canina Seed Oil, used in oils, serums, creams, and balms. The raw material may be produced with carriers/solvents such as glycerin or glycols for extracts, or by pressing/extraction for oils from the fruit or seeds. On labels it may also be written as “rosehip” or “dog rose”, referring to the same botanical species.

N-acetylcysteine (NAC) is a derivative of the amino acid L-cysteine in which the amino group is acetylated; on labels it may also appear as N-acetyl-L-cysteine or acetylcysteine. It is a small, water-soluble organosulfur compound that is chemically related to cysteine found naturally in proteins and in human metabolism. In food supplements it is typically supplied as a powder or in capsules/tablets containing NAC as the primary ingredient, sometimes in blends with other amino acids. In cosmetics it may be present under the INCI name “Acetyl Cysteine”, used in water-based formulas such as serums or skin-care products. As a raw material, NAC is commonly identified by its chemical name “acetylcysteine” and standard identifiers such as a CAS number, while specifications can differ by purity grade and supplied form.

Natural stimulant of the central nervous system.