Chem Tools 🧪
The periodic table organizes elements by this number.
Atomic number
The smallest particle of an element.
An atom
What is the main structural protein in the skin.
Collagen
Substances that release hydrogen ions in water
Acids
Caffeine, found in coffee and tea, is classified as what type of plant chemical?
Alkaloid
H₂O is the chemical notation for this
Water
Two or more atoms chemically joined form what?
A molecule
This protein gives skin elasticity.
Elastin
Substances that accept hydrogen ions
Bases (alkalis)
This plant-derived polysaccharide is often used as a thickener in skincare products.
Guar gum
The letters used in chemical notation represent What.
Elements
The three states of matter are solid, liquid, and what?
Gas
Lipids in the skin barrier help prevent what?
TEWL Transepidermal water loss
Ingredients that attract water to the skin.
Humectants
Enzyme exfoliation works by breaking down these bonds between dead skin cells.
Desmosomes
NaCl is the chemical formula for what common compound.
Table salt
The number of protons in an atom determines what?
The element’s identity/atomic number
The skin’s protective barrier is made primarily of these two things.
Keratin and lipids
Ingredients that repel water are called this.
Hydrophobic/lipophilic
Alkaloids usually contain this element, which gives them strong physiological effects.
Nitrogen
The “pH” scale measures what?
Acidity & Alkalinity
The negatively charged particle that orbits the nucleus.
An electron
These fatty acids are "essential” because the body cannot produce them.
Omega-3 and omega-6 fatty acids
A mixture that separates over time?
Suspension
The main aromatic compounds found in essential oils
Terpenes