Preservative Ingredients
Benzyl Alcohol
A preservative and light fragrance that also dissolves ingredients.
Caprylyl Glycol
A hydrating ingredient that also helps preserve formulas.
Colloidal Silver
Suspended silver particles sometimes used for freshness; benefits unproven.
Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate
An antioxidant that keeps oils in a formula from turning rancid.
Propylparaben
A preservative that protects products from microbial growth.
Sodium Benzoate
A common preservative that keeps products from spoiling.
Tetrasodium Glutamate Diacetate
A biodegradable ingredient that traps metals to keep formulas fresh.
Tetrasodium Iminodisuccinate
Binds trace metals to help cleansers and lotions stay stable and clear.
Trisodium Dicarboxymethyl Alaninate
A biodegradable ingredient that binds metals to keep formulas stable.
Trisodium Ethylenediamine Disuccinate
A biodegradable metal-binder that keeps formulas stable and unspoiled.
Benzoate
A preservative that keeps products from spoiling.
Benzoic Acid
A preservative that fights bacteria and mold in low-pH products.
Butylparaben
A preservative that keeps products from spoiling.
Caprylhydroxamic Acid
A preservative that helps keep formulas free of microbes.
Capryloyl Glycine
Helps balance oil and reduce the look of blemishes gently.
Chlorphenesin
A preservative that keeps water-based products fresh and stable.
Decylene Glycol
A moisture-binding ingredient that also helps preserve formulas.
Dehydroacetic Acid
A preservative that keeps formulas from spoiling.
Dipotassium EDTA
A stabilizer that keeps formulas clear and consistent over time.
Disodium EDTA and Triethanolamine
A pairing that balances pH and keeps cleansers stable.
Disodium EDTA-Copper
A copper-EDTA complex that helps prevent product discoloration.
Ethyl Hexanediol Chlorphenesin
A preservative blend that keeps formulas free of microbial growth.
Ethylhexylglycerin
A multitasker that boosts preservatives and softens skin's feel.
Ethylparaben
A preservative that helps products stay fresh on the shelf.
Gluconolactone (and) Sodium Benzoate
A mild preservative blend that keeps products fresh and safe to use.
Glyceryl Caprate
A plant-based ingredient that helps keep formulas fresh and skin soft.
Glyceryl Caprylate
A gentle preservative helper that also leaves skin feeling soft.
Glyceryl Laurate
An emulsifier that spreads evenly and supports product freshness.
Glyceryl Undecylenate
A castor-derived ingredient that helps preserve products and soften skin.
Iodopropynyl Butylcarbamate
A preservative used at low levels to keep formulas fresh.
Levulinic Acid
A natural acid used to fight odor-causing microbes in formulas.
Methylheptylglycerin
A conditioning ingredient that helps preserve formulas and soften skin.
Methylparaben
A common preservative that keeps products fresh and effective longer.
O-Cymen-5-Ol
A preservative that keeps formulas fresh and controls unwanted odor.
P-Anisic Acid
A preservative booster that helps keep formulas fresh for longer.
Phenethyl Alcohol
A floral-scented alcohol that also helps keep formulas fresh.
Phenoxyethanol
A common preservative that keeps products fresh and free of microbes.
Phenoxyethanol Ethyl Hexyl Glycerin
A mild preservative duo that keeps formulas fresh and stable.
Phenylisohexanol
A fragrance ingredient that also helps extend a product's shelf life.
Phenylpropanol
An aromatic alcohol that helps guard formulas against microbial growth.
Polylysine
A fermentation-derived preservative that keeps formulas fresh.
Populus Tremuloides (Aspen Bark) Extract
Aspen bark extract that helps preserve formulas and softens skin.
Potassium Benzoate
A preservative that keeps water-based products fresh longer.
Potassium Sorbate
A preservative that keeps formulas fresh by limiting yeast and mold.
Sodium Anisate
A plant-derived preservative that helps keep products fresh.
Sodium Dehydroacetate
A preservative that helps control microbial growth in products.
Sodium Levulinate
A preservative that helps keep formulas free of microbial growth.
Sodium Phytate
A plant-derived chelator that helps keep formulas fresh and stable.
Sorbic Acid
A preservative that helps stop mold and yeast from growing.
Sorbitan Caprylate
A multitasking ingredient that helps emulsify and preserve formulas.
Tetra-Di-T-Butyl Hydroxyhydrocinnamate
Keeps oils and fragrance from going stale so products stay fresh longer.
Tetrasodium EDTA
Binds trace metals in a formula to keep it stable, clear, and fresh.
Tetrasodium Pyrophosphate
Helps control pH and trace metals so formulas stay stable and consistent.
Tripotassium EDTA
Binds trace metals to help formulas stay clear, stable, and effective.
Tris-Bht Mesitylene
An antioxidant blend that slows oxidation to keep products fresh.
Trisodium EDTA
Binds trace metals to prevent discoloration and boost preservation.
Acetic Acid
Vinegar's main component, used to balance pH and keep formulas fresh.
Benzalkonium Chloride
A preservative that keeps products fresh but can irritate some skin.
Biguanide
A class of preservatives that stop microbes from growing in products.
Bronopol
A preservative that keeps water-based products from spoiling.
Chlorhexidine Digluconate
An antimicrobial preservative that keeps water-based formulas from spoiling.
Chloroxylenol
A preservative that keeps products free of bacteria and fungus.
Diazolidinyl Urea
A preservative that fights microbes but can irritate some skin.
Galactaric Acid
A sugar-derived acid that helps keep formulas fresh and stable.
Heptasodium Hexacarboxymethyl Dipeptide-12
A peptide-based ingredient that binds metals to keep formulas stable.
Hexamidine Diisethionate
A preservative that fights bacteria and may support clearer-looking skin.
Hydroxyhydrocinnamate
An antioxidant that helps keep formulas fresh and stable over time.
Imidazolidinyl Urea
A preservative that keeps formulas fresh by fighting microbial growth.
Leuconostoc (Radish Root) Ferment Filtrate
A radish ferment used as a natural preservative to keep products fresh.
Leuconostoc/Radish Root Ferment Lysate Filtrate
A gentle radish ferment used to help preserve formulas naturally.
Lonicera Caprifolium (Honeysuckle) Flower Extract
A honeysuckle extract that adds floral scent and light conditioning.
Nitropropane-1,3-Diol
A preservative that helps keep water-based formulas free of contamination.
Polyaminopropyl Biguanide
A preservative used at low levels to keep water-based products fresh.
Propyl Gallate
An antioxidant that keeps oils in formulas from turning rancid.
Pulsatila Korean Extract
This botanical extract helps preserve formulas and softens skin.
Sodium Bisulfite
An antioxidant salt that protects formulas from oxidizing.
Sodium Metabisulfite
An antioxidant preservative that can irritate sensitive skin.
Sodium Sulfite
An antioxidant that helps prevent products from oxidizing over time.
Thymol
A thyme-derived compound used for scent and to help preserve formulas.
Tropolone
A preservative that binds metals and helps products last longer.
Usnea Barbata (Lichen) Extract
A lichen extract that helps preserve formulas and lightly condition skin.
Dmdm Hydantoin
A preservative that can release formaldehyde and may irritate skin.
Glutaral
A strong preservative that fights microbes but may irritate skin.
Glyoxal
A preservative that fights microbes but may irritate sensitive skin.
Hypochlorite Ion
A strong antimicrobial rarely used in skincare due to irritation risk.
Methylisothiazolinone
A preservative that keeps formulas fresh, though it can irritate some skin.
Quaternium-15
This preservative keeps products fresh but can trigger sensitivities.
