Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.

Chemistry, Pivot Point Esthetics

        Help!  

Term
Definition
Chemistry   Scientific study of matter.  
🗑
Chemists   Scientists who study matter, its properties and changes.  
🗑
Biochemistry   Study of chemical reactions.  
🗑
Organic Chemistry   Study of matter containing carbon. Deals with all matter that is, or was once, living.  
🗑
Inorganic Chemistry   Study of matter that does not contain carbon. Deals with all matter that was never living.  
🗑
Matter   Anything that takes up space.  
🗑
Solids   Matter that has a definite weight, volume and shape.  
🗑
Liquids   Matter with definite weight and volume, but no shape.  
🗑
Gases   Matter with definite weight, but indefinite volume and shape.  
🗑
Physical Change   Change in the physical form of a substance without creating a new substance (water to ice).  
🗑
Chemical change   A change in matter that produces one or more new substances (Oxygen combines with hydrogen to make water).  
🗑
Sublimation   Process of a solid or gas changing states without becoming a liquid.  
🗑
Energy   Ability to do work and cause change.  
🗑
Atomic Number   Number of protons in an atom, shown in the periodic table with the element.  
🗑
Elements   Basic units of matter that cannot be broken down into smaller units.  
🗑
Periodic Law   Unifying concept to organize elements and their similarities.  
🗑
carbon (C), oxygen (O), hydrogen (H), nitrogen (N), Sulfur (S)   Elements with the most interest to the Esthetician  
🗑
Oxygen   Most abundant element in the earth's crust and second most abundant in the atmosphere.  
🗑
Atoms   Smallest complete unit of an element.  
🗑
3 parts of an atom   proton, neutron, electron  
🗑
Proton   Positively charged particle.  
🗑
Neutron   Neither positive nor negatively charged.  
🗑
Electron   Negatively charged particle.  
🗑
Molecular Weight   Protons plus neutrons equals.  
🗑
Nucleus   Control center of the cell.  
🗑
Electrically neutral/Stable atom   Overall charge of the atom is zero (positive and negative forces are equal)  
🗑
Unstable/Reactive atoms   Missing electrons in outer shell.  
🗑
Molecule   Smallest particle of a compound that has all the chemical properties of that compound.  
🗑
Compound   Substance formed by the chemical combination of two or more elements.  
🗑
Oxidation   Loss of electrons.  
🗑
Reduction   Gain of an electron.  
🗑
Ion   Charged atom.  
🗑
Ionic bond   Attraction between oppositely charged ions.  
🗑
Covalent bond   A chemical bond formed when two atoms share electrons.  
🗑
Chemical Bond   Force that holds atoms together.  
🗑
Proteins, Carbohydrates and Lipids   3 major biochemical compounds groups in the body.  
🗑
Proteins   Basic materials the body uses to construct and renew itself.  
🗑
Enzymes   Dissolve and breakdown large molecules into smaller ones.  
🗑
Amino Acids   Compounds made up of carbon, oxygen, hydrogen, and nitrogen that join in chains to form proteins.  
🗑
Peptide Bond and Polypeptide chains   How amino acid compounds are joined.  
🗑
Peptide bond   Bond uniting 2 amino acid groups.  
🗑
Polypeptide chain   Chain of amino acids.  
🗑
Monomers   Building blocks of polymers.  
🗑
Polymers   Groups of monomers that bond together.  
🗑
Carbohydrates   Example of monomers and polymers found in the body. Used to store energy, contain a combination of carbon (C), hydrogen (H), and oxygen (O) which are arranged in a chain.  
🗑
Saccharides   Simple unit of a carbohydrate.  
🗑
Monosaccharides   Single saccharide, simple sugars such as glucose.  
🗑
Disaccharides   2 monosaccharides joined together. One example is sucrose (table sugar).  
🗑
Polysaccharides   Many saccharides linked together, such as starch.  
🗑
Lipids   Energy-rich organic compounds, such as triglycerides, fats, and steroids, that are made of carbon, hydrogen, and oxygen and fill the intercellular spaces in the skin.  
🗑
Potential Hydrogen (pH)   A measure of the acidity or alkalinity of a solution.  
🗑
Acidic solution   Contains more hydrogen ions than hydroxide ions.  
🗑
Alkaline solution   Contains more hydroxide ions than hydrogen ions.  
🗑
Neutral solution   Concentrations of hydrogen and hydroxide ions are equal.  
🗑
Acid   Releases a hydrogen ion and is positively charged.  
🗑
Alkaline   Term used for describing a base. Releases hydroxide ions that are negatively charged.  
🗑
PH Scale   Measurement system used to indicate the concentration of hydrogen ions (H+) in solution; ranges from 0 to 14.  
🗑
Logarithmic   Each number on the pH scale increases by multiples of 10.  
🗑
pH balanced   Means the pH is balanced to a certain number but not necessarily 4.5-5.5.  
🗑
Acid balanced   Balanced within the acid range of 4.5-5.5  
🗑
Acid mantle   Protective barrier of lipids and secretions on the surface of the skin.  
🗑
Mixture   Two or more compounds blended together physically .  
🗑
Solution   Mixture of 2 or more chemicals in which each is evenly distributed in the mixture to form a complete blending.  
🗑
Solute   A substance that is dissolved in a solution.  
🗑
Solvent   A liquid substance capable of dissolving other substances.  
🗑
Saturation point   Point at which the Solute will no longer dissolve in the solvent.  
🗑
Water   Has a pH of 7 and is known as the universal solvent.  
🗑
Miscible   Easily mix together. For example sugar and water.  
🗑
Immiscible   Don't mix easily. For example oil and water.  
🗑
Suspension   Even dispersion of a solid substance in liquid.  
🗑
Gel   A product that has been formulated with a thickening agent to increase its viscosity.  
🗑
Viscosity   A liquid's resistance to flow (thickness or density).  
🗑
Powder   Finely ground solid mixed evenly with additional ingredients.  
🗑
Ointment   Anhydrous (without water) substance based on a mixture of oils and waxes normally having the texture of a paste.  
🗑
Stick   A hard, low-level water or anhydrous product applied to the skin by rubbing the product directly on the desired area.  
🗑
Aerosol   A product packaged under pressure and blended with a propellant (gas) inside a container, which is usually a can i.e. hairspray.  
🗑
Emulsion   Mixture of two or more immiscible liquids in which one liquid is dispersed in the other, united by small droplets of a binder (emulsifier).  
🗑
Oil in water (O/W) emulsion   Oil droplets dispersed in a water with the aid of an emulsifying agent.  
🗑
Water in Oil (W/O) emulsion   Droplets of water dispersed in an oil.  
🗑
Emulsifier   A stabilizing agent in emulsions, used to slow down the destruction of the product. Used in concentrations from less than 1%-4%.  
🗑
Active ingredients   The ingredients responsible for producing the desired effect.  
🗑
The Cosmetics, Toiletry and Fragrance Association (CTFA)   Devised the current system of nomenclature for each ingredient in products.  
🗑
International Nomenclature for Cosmetic Ingredients (INCI)   List of ingredient names based on the International Cosmetic Dictionary.  
🗑
Order ingredients are listed on product.   Highest weight concentration first, then next highest until reaching concentrations of 1% or less, then they are typically shown as the most desirable first down to the least desirable.  
🗑
Humectants   Organic ingredients that bind water and deposit it onto the skin. Typically found in products at concentrations of 1%-10%.  
🗑
Emollients   Oils and oil-soluble substances used to soften the skin by providing an occlusive barrier.  
🗑
Occlusive Barrier   Created by Emollients and seal in moisture.  
🗑
Fatty acids   Come from both plant and animal sources. Commonly used in cosmetics such as cremes and lotions to keep them firm, yet soft, and easy to apply to the skin.  
🗑
Fatty alcohols   Fatty acids that have been exposed to hydrogen.  
🗑
Surfactants   Substances that allow oil and water to mix or emulsify. In products they can be found in concentrations ranging from 2%-20%.  
🗑
Thickeners/Viscosity Modifier   Ingredients that increase density in emulsions and gel-type products. Typically range from 0.1%-1% of a product.  
🗑
Botanicals   Ingredients derived from plants. In cosmetic products the concentration used is usually less than 5%.  
🗑
Preservatives   Included in cosmetic products to maintain microbiological integrity or product quality during manufacturing, storage, and use by the consumer, ex. Parabens, Hydroxybenzoates  
🗑
Chelating Agents   Ingredients added to a product to enhance the effectiveness of the preservative.  
🗑
Coloring agents   Vegetable, mineral or pigment dyes that are added to products to enhance the products appearance.  
🗑
Hypoallergenic   Less likely to cause allergies.  
🗑
Fragrance free   Means that a product has less than 1% fragrance added, or no fragrance added at all.  
🗑
Antibacterial   Destroy bacteria that can cause problems such as acne or other infections.  
🗑
pH adjusters   Acids or alkalis (bases) used to adjust the pH of products. Also known as buffering.  
🗑
Comedogenic   Tendency for an ingredient to clog follicles and cause a buildup of dead skin cells, resulting in comedones.  
🗑
Non-comedogenic   Products less likely to clog pores.  
🗑
Sunscreens (UV absorbers or blockers)   Active ingredients used in a variety of product types to block or absorb UV emitted by the sun. Considered a drug product under FDA guidelines.  
🗑
Antioxidants   Ingredients used in certain types of treatment products to prevent skin inflammation and damage due to free radicals.  
🗑
Free radicals   Unstable molecules that cause biochemical aging, especially wrinkling and sagging of the skin.  
🗑
Co-enzyme Q-10 (Ubiquinone)   Is a powerful antioxidant that occurs naturally in human cells, aid in the production of cellular energy, circulation, stimulates the immune system, increases tissue oxygenation and improves the appearance of aging skin.  
🗑
Silicones   Ingredients derived from a silicone base free of contaminants are environmentally friendly unlike petroleum derivatives.  
🗑
Cyclomethicone   Non comedogenic emollient that gives products a silky feel  
🗑
Dimethicone   Gives products lubricity, or "slip".  
🗑
Dimethicone copolyol   Silicone ingredient that makes products feel soft, especially sunscreens.  
🗑
Hydroxy Acids   Organic acids extracted from a variety of natural sources including fruits, sugar, and milk. May be used at concentrations 30% or less.  
🗑
Kinetin   Essential growth factor that prevents premature aging.  
🗑


   

Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
 
To hide a column, click on the column name.
 
To hide the entire table, click on the "Hide All" button.
 
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
 
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.

 
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how
Created by: BBSchool
Popular Miscellaneous sets