- Active surfactant matter
- Adsorption
- Amphophilic
- Amphoteric
- Anionic
- Cationic
- Colloid
- Comedogenic
- Comedolytic
- Comedones
- Contact angle
- COSMOS
- Cushion
- Desquamation
- Drag
- ECOCERT
- Electrolytes
- Electronegativity
- Filaggrin
- Free radical scavenger
- Fresh kick
- Humectant
- Hurdle technology
- Hydrocolloids
- Hydrolysis
- Hydrolyze
- Hydrophilic
- Hydrophilic or hydrophile
- Hydrophobic
- Hydrophobic or hydrophobe
- Hygroscopic
- Interface
- Interfacial tension
- Isoelectric point
- Keratolytic
- Lipophilic
- Lipophilic or lipophile
- Lipophobic
- Lipophobic or lipophobe
- Lubricity or calling something "lubricious"
- Melt point or melting point
- NATRUE
- Natural moisturizing factor
- Naturally compliant
- Newtonian fluid
- Non-ionic
- Non-Newtonian fluid
- Parts per million (ppm)
- -phile
- -phobia
- Photoaging
- Play time
- Polar
- Polymer
- Polysaccharide
- Precipitate
- Quick break
- Reactive oxygen species (ROS)
- Refractive index
- Residue
- Rheology
- Salt
- Saturated
- Shear
- Shear rate
- Shear stress
- Shear thinning fluid
- Siliphilic or siliphile
- Siliphobic or siliphobe
- Solubility
- Solute
- Solvent
- Specific gravity
- Spreading value
- Substantivity
- Surface tension
- Syneresis
- Terpenes
- Thixotropic
- Tight junctions
- Transepidermal water loss
- Unsaturated
- Viscosity
- Wetting
- Yield stress
- Yield stress point
- Zwitteronic