Explanation of Cosmetic Ingredient List

Asked by: chinshin9195 On: April 21, 2019 Product Type: Cosmetics

Question

Could you please explain the function of each ingredient in the following list, and what type of cosmetic product this formulation might be based on these ingredients?

  • Aqua
  • Cyclomethicone
  • titanium dioxide
  • Propylene Glycol
  • buthylene glycol
  • Cetyl Dimethicone
  • Dimethicone
  • Glycerin
  • stearyl Dimethicone
  • cetyl peg/ppg-10 Dimethicone
  • ETHYLHEXYL METHOXYCINNAMATE
  • Octocrylene
  • Dimethicone crosspolymer
  • Phenoxyethanol
  • Silica
  • sodium chloride
  • Helianthus Annuus Seed Oil
  • Magnesium Stearate
  • alantoin

Answer

Understanding Your Cosmetic Ingredient List

This ingredient list contains a variety of components commonly found in cosmetic formulations, serving different purposes to create a stable, effective, and pleasant-to-use product. Here's a breakdown of the key ingredients and their functions:

Solvents and Humectants

  • Aqua: Water is the primary solvent, forming the base of many cosmetic formulations.
  • Propylene Glycol and Butylene Glycol: These are humectants and solvents. They help to attract and retain moisture in the skin, improve the texture of the product, and can help dissolve other ingredients.
  • Glycerin: Another common humectant that draws water into the skin, providing hydration.

Silicones

Silicones provide a smooth, silky feel to the product and can help with spreadability and creating a matte finish.

  • Cyclomethicone: A lightweight, volatile silicone that provides a smooth feel and helps deliver other ingredients. It evaporates quickly, leaving a non-greasy finish.
  • Dimethicone: A versatile silicone polymer used for skin conditioning, providing a smooth feel, and reducing tackiness.
  • Cetyl Dimethicone, Stearyl Dimethicone, Cetyl PEG/PPG-10 Dimethicone: These are modified silicones that can act as emollients, emulsifiers, or texture enhancers, contributing to the feel and stability of the formulation.
  • Dimethicone Crosspolymer: This forms a gel-like structure, providing a matte finish and a silky texture.
  • PEG/PPG-20/15 Dimethicone: A water-soluble silicone that can improve the feel of water-based formulas and help stabilize emulsions.

UV Filters

These ingredients provide protection against ultraviolet radiation from the sun.

  • Titanium dioxide: A mineral UV filter that provides broad-spectrum protection against UVA and UVB rays. It also acts as a white pigment.
  • Ethylhexyl Methoxycinnamate and Octocrylene: Organic chemical UV filters that absorb UV radiation.

Powders and Texture Enhancers

These ingredients contribute to the texture, feel, and appearance of the product, often providing oil absorption or a matte finish.

  • Silica: Can be used as an absorbent, a thickening agent, or for providing a mattifying effect.
  • Magnesium Stearate: Often used in powder formulations to improve adhesion and texture.

Other Notable Ingredients

  • Phenoxyethanol: A common preservative used to prevent the growth of bacteria, yeast, and mold in cosmetic products.
  • Sodium Chloride: Table salt, which can be used as a thickener in some formulations or for other functional purposes.
  • Helianthus Annuus Seed Oil (Sunflower Oil): An emollient oil that provides skin conditioning benefits.
  • Allantoin: Known for its soothing and skin-conditioning properties, helping to reduce irritation and promote skin regeneration.
  • Trifluoropropyl Dimethicone/Trifluoropropyl Divinyldimethicone Crosspolymer: A fluorosilicone that can provide water and oil resistance, often used in long-lasting makeup.

This combination of ingredients suggests a formulation designed to provide hydration, a smooth feel, UV protection, and a stable product with a pleasant texture.