Chemistry Flashcards
Basic units of matter
Elements
Number of Protons in an element
Atomic number
Smallest unit of element
Atoms
These elements make skin , hair , nails.
Carbon, Oxygen, Hydrogen, Nitrogen and Sulfur
Atoms are made of:
_________= positive charge
_________=no charge
_________=negative charge
Protons+Neutrons=_________ _________
Proton = Positive Neutrons = Neutral Electrons = Negative
Protons+Neutrons= Molecular weight in the nucleus
Unstable atoms share electrons and chemically combine
Molecule
Different elements combine
Compound
What does the body use to renew itself?
Protein to renew and construct
Dissolve large molecules into smaller ones
Enzymes break down large molecules
How many acids?
22
What do amino acids consist of?
Carbon, Hydrogen, Oxygen, Nitrogen
pH
potential Hydrogen
pH of skin
4.5-5.5
What is pH of distilled water
7 ( neutral )
The pH scale is?
Logorythmic
A pH of 10 is how many times more alkaline than 8?
100
2 or more compounds mixed physically
Mixture
2 or more chemicals
Chemical mixture
Liquid
Solvent
Solid
Solute
Even dispersion of solid in liquid
Suspension
Increases viscosity ( thickness )
Gel
Finely ground substances
Powder
Anhydrous, oils+wax
Ointment
Mix 2 or more immiscibles united with emulsifier
Emulsion ( cremes, moisturizers )
Binders and preservatives
Emulsifier
What is Sodium Hyaluronate?
Humectant ( binds water )
Oils that soften skin
Emollients-oils.
Ex . Jojoba and silicone oils
What is Caprylic Acid and keeps skin firm and soft
Fatty acid
What is Cetylalcohol ?
Fatty Alcohol
Helps efficacy of preservatives
Chelating Agent
Fragrance-Free or Preservatives- Free-Product has less than
1%
Found in cleansers
Surfactants
Ingredient that come from plants
Botanicals
Helps maintain product quality
Preservatives/ parabens
Decrease skin inflammation and free radicals
Antioxidants
List 5 antioxidants
Parsol 1789
Octocrylene
Qxybenzone
List 3 common UV absorber ingredients in sunscreen
Octylmethoxycinnamate, Salicylate
List the 2 most common UV Blockers
Zinc Oxide
Titanium Dioxide
Glycolic and lactic are
Alpha Hydroxy Acids ( AHA )
Papain and Bromilain
Enzymes
Salicylic
Beta Hydroxy Acid ( BHA )
List 5 Lightening ingredients
Grape Seed Kojic Acid Licorice Lactic Acid Rice Extract
Mix of sweat , sebum , lipids and minerals that protects skin
Acid Mantle
Created by Emollients and seal in moisture
Occlusive Barrier