Encyclopedia
Preservative
an ingredient added to a product to prevent the growth of bacteria, mold, and yeast, keeping it safe and stable over its shelf life. Water-containing formulas are especially prone to...
Preservative
an ingredient added to a product to prevent the growth of bacteria, mold, and yeast, keeping it safe and stable over its shelf life. Water-containing formulas are especially prone to...
Essential Oil
a concentrated plant extract that captures the aromatic compounds of a flower, leaf, peel, or other botanical, usually obtained through distillation or cold pressing. In skincare it is used for...
Essential Oil
a concentrated plant extract that captures the aromatic compounds of a flower, leaf, peel, or other botanical, usually obtained through distillation or cold pressing. In skincare it is used for...
Fragrance (Parfum)
a blanket term on ingredient labels for a blend of aroma compounds, and sometimes solvents and fixatives, added to give a product its scent. A single fragrance can contain many...
Fragrance (Parfum)
a blanket term on ingredient labels for a blend of aroma compounds, and sometimes solvents and fixatives, added to give a product its scent. A single fragrance can contain many...
Percutaneous Absorption
the process by which a substance applied to the skin passes through its layers and, in some cases, into the bloodstream. It typically involves an ingredient dissolving into the outer...
Percutaneous Absorption
the process by which a substance applied to the skin passes through its layers and, in some cases, into the bloodstream. It typically involves an ingredient dissolving into the outer...
Molecular Weight (Skincare)
the size of an ingredient's molecule, expressed in daltons, which strongly influences how readily it can pass through the skin's outer barrier. As a general rule, smaller molecules penetrate more...
Molecular Weight (Skincare)
the size of an ingredient's molecule, expressed in daltons, which strongly influences how readily it can pass through the skin's outer barrier. As a general rule, smaller molecules penetrate more...
Bioavailability
a measure of how much of an applied ingredient actually reaches its intended site in the skin in an active, usable form. In topical products it reflects the portion of...
Bioavailability
a measure of how much of an applied ingredient actually reaches its intended site in the skin in an active, usable form. In topical products it reflects the portion of...
