Chemistry Flashcards
Fragrances
Give products their scent.
Fatty Esters
Emollients produced from fatty acids and alcohols.
Fatty Alcohols
Emollients; fatty acids that have been exposed to hydrogen.
Fatty Acids
Emollients; lubricant ingredients derived from plant oils or animal fats.
Exfoliation
Peeling or sloughing of outer layer of skin.
Exfoliants
Mechanical and chemical product or processes used to exfoliate skin.
Essential Oils
Oils derived from herbs and have different healing properties.
Enzyme Peels
Dissolve keratin proteins (dead skin cells) and exfoliate.
Emulsifiers
Surfactants that cause oil and water to mix.
Emollients
Oil or fatty ingredients that lubricate, moisturize, and prevent water loss.
Echinacea
Derives from purple cornflower; prevents infection and heals.
DMAE
Dimethylaminoethanol. Antioxidant that stabilizes cell membranes and boosts effects of other antioxidants.
Detergents
Surfactant used as cleanser in skin care products.
Delivery Systems
Systems that deliver ingredients to specific tissues of epidermis.
Cosmetics
Articles that are intended to be rubbed, poured, or sprinkled to body for cleansing, beautifying, or altering appearance.
Cosmeceuticals
Products intended to improve skin’s health and appearance.
Comedogenicity
Tendency of any topical substance to cause or worsen a build up in follicle, leading to development of a camedo (blackhead).
Colorants
Vegetables, pigment, or mineral dyes that give products color.
Coenzyme Q10
Powerful antioxidant that protects and revitalizes skin cells.
Cleansers
Soaps and detergents that clean the skin.
Clay Masks
Oil-absorbing cleansing masks that draw impurities to the surface of skin as they dry and tighten.
Chemical Exfoliation
Chemical agent that dissolves dead skin cells and the intercellular matrix.
Chelating Agent
Chemical added to cosmetics to improve the efficiency of the preservative.
Chamomille
Plant extract with calming and soothing properties.
Certified Colors
Inorganic color agents also known as metal salts; D&C (Drug & Cosmetics)
Carrot
Rich in vitamin A, derived from seeds and as an oil; product colorant.
Carbomers
Ingredients used to thicken creams; frequently used in gel products.
Calendula
Anti-inflammatory plant extract.
Botanicals
Ingredients derived from plants.
Binders
Substances such as glycerin that bind or hold products together.
Beta Hydroxy Acids
BHAs; Exfoliating organic acid.
Beta-glucans
Used in antiaging cosmetics to help reduce the appearance of fine lines and wrinkles by stimulating collagen.
Benzyl Peroxide
Drying ingredient with antibacterial properties.
Azulene
Derived from chamomile plant and characterized by its deep blue color.
Astringents
Liquids that help remove excess oil on skin.
Aromatherapy
Theurapeutic use of plant aromas and essential oils.
Anhydrous
Products that contain no water.
Ampoules
Small, sealed vials with simple application of highly concentrated extracts.
Alum
Compound made of aluminum, potassium, or ammonium sulfate.
Alpha Lipoic Acid
Natural molecule found in every cell in the body. An antioxidant.
Aloe Vera
Most popular botanical used in cosmetic formulations.
Allantoin
Anti-inflammatory compound isolated from herb comfrey.
Algae
Derived from minerals and phytohormones. Remineralizes and revitalizes the skin.
Alcohol
Antiseptic and solvent used in perfumes, lotions, and astringents.
Alpha Hydroxy Acids
AHAs; Acids derived from plants to exfoliate skin by loosening bonds between dead corneum cells and dissolving intercellular matrix. Stimulates cell renewal.
Anion
An ion with a negative electrical charge.
Alkalis
Also known as bases; compounds that react with acids to form salts. pH above 7.0 (neutral), tastes bitter, turns litmus paper from red to blue.
Air
The gaseous mixture that makes up the Earth’s atmosphere. It is odorless, colorless, and generally consists of about 1 part oxygen and 4 parts nitrogen by volume.
Acids
Substances that have a pH below 7.0, taste sour, and turn litmus paper from blue to red.
Acid-Alkali Neutralization Reactions
When an acid is mixed with an alkali in equal proportions to neutralize each other and form water (H20) and a salt.
Acid Mantle
Protect barrier of lipids and secretions on the surface of the skin.
Chemical Properties
Characteristics determined by a chemical reaction and a chemical change in the identity of the substance.
Chemical Compounds
Combinations of two or more atoms of different elements united chemically with a fixed chemical composition, definite proportions, and distinct properties.
Chemical Change
Change in the chemical properties of a substance that is the result of a chemical reaction in which a new substance or substances are formed that have properties different from the original.
Cation
Ion with a positive electrical charge.
Atoms
Smallest chemical components (particles) of an element that still retains the properties of that element.
Antioxidants
Stabilize skin care products by preventing oxidation that would otherwise cause a product to turn rancid and decompose. Vitamins such as A, C, E can be applied topically in products or taken internally to increase healthy body functions.
Chemical Properties
Characteristics only determined by chemical reaction and chemical change in identity of substance.
Chemistry
Science that deals with composition, structures, and properties of matter and how matter changes.
Combustion
Rapid oxidation of any substance. Produces light and heat.
Compound Molecules
Also known as compounds. A chemical combination of 2 or more atoms of different elements in definite proportions.
Element
Simplest form of matter; can’t be broken down into a simpler substance without loss of identity.
Elemental Molecules
Molecule containing 2 or more atoms of the same element in fixed proportions.
Emulsions
Unstable physical mixture of 2 or more immiscible substances and or emulsifier.
Free Radicals
Unstable molecules that cause inflammation, disease, and biochemical aging in body. Super oxidizers that cause an oxidation reaction and produce a new free radical in process that are created by highly reactive atoms or molecules.
Gases
Matter without a definite shape or size. No fixed volume.
Hydrogen
Colorless, odorless, tasteless gas; the lightest element.
Hydrogen Peroxide
Chemical compound of hydrogen and oxygen; colorless liquid with a characteristic odor and slightly acidic taste.
Hydrophilic
Easily absorbs moisture; capable of combining with or attracting water (water loving).
Hydroxide
An anion with one oxygen and one hydrogen atom.
Immiscible
Liquids that are not capable of being mixed together to form stable solutions
Inorganic Chemistry
The study of substances that do not contain the element carbon, but may contain hydrogen.
Ion
An atom or molecule that carries an electrical charge.
Ionization
Separation of an atom or molecule into positive or negative ions.
Lipophilic
Having an affinity for or an attraction to fats and oils. Oil loving.
Liquids
Matter that has volume, no definite shape, and takes shape of container.
Logarithmic Scale
A method displaying data in multiples of 10.
Matter
Any substance that occupies space and has mass.
Miscible
Capable of being mixed.
Molecule
A chemical combination of 2 or more atoms.
Nitrogen
Colorless, gaseous element that makes up 4/5 of air in the atmosphere.
Oil-in-Water Emulsion
Oil droplets dispersed in water with aid of emulsifier.
Organic Chemistry
Study of substances containing carbon.
Oxidation
Addition of oxygen of loss of hydrogen. Chemical reaction that combines substance with oxygen to produce an oxide.
Oxidation Reduction
Also known as redox. Chemical reaction in which oxidizing agent reduced and reducing agent is oxidized.
Oxidize
To combine or cause a substance to combine with oxygen.
Oxygen
Most abundant element on Earth.
pH
Potential Hydrogen; Relative degree of acidity and alkalinity.
pH= quantity of hydrogen ions.
pH Scale
Measure of acidity & alkalinity.
0-14
7=neutral
Below 7=acidic
Over 7=alkaline
Physical Change
Change in form or physical properties without chemical reaction or formation of new substance.
Physical Mixture
Combo of 2 or more substances physically.
Physical Properties
Characteristics determined without chemical reaction and change.
Reduction
Chemical reaction when oxygen is less and hydrogen is added.
Redox Reactions
Oxidizing agent reduced, reducing agent oxidized.
Solids
Definite size and shape.
Solute
Substance that dissolves solute to form a solution.
Solutions
Uniform mixture of 2 or more mutually miscible substances.
Solvent
Dissolves the solute to form a solution.
States of Matter
Solid, liquid, and gas.
Surfactants
Also known as surface active agents. Reduce the surface tension and increase spreadability and emulsifies.
Suspensions
Unstable mixtures of 2 or more immiscable substances.
Water
Most abundant–75% of earth’s surface, 65% of body.
Water-in-Oil Emulsion
Droplets of water dispersed in oil.
Salicylic Acid
BHA with exfoliating and antiseptic properties.
Rose
Moisturizing, astringent, toner, and deoderant.
Retinol
Vitamin A. Cell repair and normalizes cells.
Quaternium 15
Preservative
Propylene Gylcol
Humectant used in dry or sensitive skin moisturizers.
Preservatives
Inhibit growth of microorganisms, kill bacteria, and prevent spoiling.
Potassium Hydroxide
Strong alkali used in soaps and creams.
Polymers
Chemical compounds of small molecules in chain-like structure.
Polyglucans
Derived from yeast. Strenghten cells and stimulate metabolism.
Phytotherapy
Use of plant extracts for therapeutic therapy.
pH Adjusters
Acids or alkalis used to adjust pH of products.
Petroleum Jelly
Occlusive agent; restores barrier layer by holding in water.
Performance Ingredients
Cause the actual change.
Peptides
Chain of Amino Acids. Stiumulate fibroblasts, cell metabolism, and firmness.
Paraffin Wax Masks
Warms skin and penetrates ingredients
Parabens
Preservatives against bacterial and fungal activity.
Papaya
Natural enzyme used for exfoliation.
Olfactory System
Gives sense of smell.
Oil Soluble
Compatible with oil
Non-Certified Colors
Colors that are organic. Can also be natural mineral pigments.
Moisturizers
Moisturize the skin.
Modelage Masks
Thermal masks, plaster like, special crystals of gypsum.
Mineral Oil
Lubricant derived from petroleum.
Methylparaben
Preservative, noncomedogenic.
Mechanical Exfoliation
Physical method of rubbing dead cells off of skin.
Mask
Concentrated treatment products often composed of herbs, vitamins, mineral clays, moisturizing agents, etc, to nourish the skin.
Lubricants
Coat skin and reduce friction.
Liposomes
Closed lipid bilayer spheres that encapsulate ingredients and target and release.
Lipids
Fats or fat-like substances.
Repair and protect barrier function.
Licorice
Anti-irritant used for sensitive skin; lightens pigmentation.
Lavender
Anti-allergenic, anti-inflammatory, antiseptic, antibacterial, balancing, energizing, healing, soothing.
Lanolin
Emollient with moisturizing properties.
Lakes
Insoluble pigments made by combining a dye with an inorganic material.
Kojic Acid
Skin brightening agent.
Keratolytic
Causes exfoliation, sloughing of skin cells.
Jojoba
From beanlike seeds of desert shrub. Lubricant and noncomedogenic, emollient, and moisturizer.
Hydrators and Hydrophilic Agents
Attract water
Humectants
Attract water.
Horsechestnut
Vitamin P; Strengthens capillary walls.
Herbs
Heals, stimulates, soothe, moisturizers.
Healing Agents
Chamomile or aloe that help heal the skin.
Green Tea
Antioxidant, soothes, antibacterial, anti-inflammatory, stimulant.
Grapeseed Extract
Antioxidant, soothes.
Zinc Oxide
Inorganic physical sunblock. Reflects.
Witch Hazel
Bark of hamanelis shrub. Soothes, astringent.
Water Soluble
Mixable with water.
Vehicles
Spreading Agents that carry or deliver other ingredients.
Urea
Enhances penetration, antiseptic, anti-inflammatory, deodorizes
Toners
Tone and tighten skin
Titanium Dioxide
Inorganic physical sunscreen, reflects.
Tissue Respiratory Factor
TRF; Yeast cells, anti-inflammatory, nourishes.
Tea Tree
Soothing and antiseptic, antifungal.
Sun Protection Factor
SPF; ability of product to delay sun-induced erythema.
Sulfur
Reduces oil-gland activity and dissolves skin’s surface.
Stem Cells
Protect or stimulate our skin’s stem cells; from plants.
Squalene
Lubricant and perfume fixative
Squalone
Derived from olives; desensitizes and nourishes. An emollient.
Sphingolipids
Ceramides part of intercellular matrix.
Sorbitol
Humectant that absorbs moisture from air to prevent dryness.
Sodium Bicarbonate
Baking soda; alkaline inorganic salt, buffering agent, neutralizes, pH adjuster.
Silicones
Oil, silicon, and oxygen. Noncomedogenic.
Serums
Concentrated liquid ingredients for skin–penetrate and treat.
Seaweed
Nourishing properties.
Gommage
Roll off mask; exfoliation creams rubbed off skin.
Glycoproteins
Skin conditioning agents derived from carbohydrates and proteins that enhance cellular metabolism.
Glycerin
Sweet, colorless, oily substance used as solvent and as a moisturizer.
Functional Ingredients
Allow to spread, give body, and texture.
Fresheners
Skin freshening lotions with low alcohol content.
Water in Oil Emulsion
Droplets of water dispersed in an oil.
Redox Reactions
Chemical reaction in which the oxidixzing agent is reduced and the reducing agent is oxidized.