Preservatives

Natural Antimicrobial to Protect your Lotion

If you are making fresh skin care that is used right after it's made, then you do not need to add a preservative. However, if you are considering storing your product for more than a day or 2, there is no doubt about it, you need to use a preservative. Antimicrobials help to protect your DIY formulas from microorganisms like bacteria and fungi, that can cause contamination of your product. When using an antimicrobial, you will need to consider if it is a broad spectrum and can work on all types of contaminants. Including both, bacteria and fungi, that can present themselves. Below is a list of different preservatives and the manufacturers that produce them. Even though it's not an exhaustive list, it does show many options when choosing a natural antimicrobial over a synthetic preservative. Do keep in mind, that not all antimicrobials are broad spectrum. While some are only effective on bacteria, others are only effective on fungi. So it is important to do your diligent research to see what will work best for your products.

Finding a Natural Alternative to Synthetic Preservatives

At Skin Perfection, we offer Leucidal Liquid or Radish Root. It is a mild, broad-spectrum antimicrobial that can protect your custom formulations from microorganisms. Radish Root is recommended to be used at a 4% concentration for beginning formulators. It is easily added to your formulation at room temperature. For an all-natural broad-spectrum antimicrobial that also protects against mold and fungi, our Leucidal Complete is for you! If you are an experienced lotion maker and know how your antimicrobial will perform with your custom formula, then it is recommended to use either the Leucidal Liquid or Complete at a 2 - 4% usage level.

To add Leucidal Liquid to your product:
During the cooling phase or at the end of formulation, Add a 4% concentration of the Radish Root Ferment. For best results, use cold pressed or incorporate when the formula is below 158 degrees Fahrenheit.

To add Leucidal Complete:
Follow the same instructions as the Radish Root Ferment. Leucidal Complete can be hazy so make sure that you add it when the formula is below 105 degrees Fahrenheit and Incorporated with a handheld mixer into your formulations until clear.

If you plan on placing your custom formula on the market, we recommend every formula undergo cosmetic challenge testing.

Benefits of Natural Antimicrobials

  • Consumers like to have natural ingredients in products
  • Allow for natural and organic labeling
  • Have moisturizing properties
  • Mild and broad-spectrum versions available

Video on How to use a Natural Antimicrobial System


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Leucidal® Complete is the first all-natural broad-spectrum antimicrobial to keep your formulations free of bacteria, yeast, fungi, and mold.
$8.95
Using a natural antimicrobial such as Leucidal® Liquid made from Radish Root can help keep your skincare creations free from bacteria.
$6.95
5 most common preservatives used in skin care
  • Parabens - germ all, Methylparaben, Ethylparaben, Propylparaben. Typical use levels .1 to .3 %. Consumers see parabens as dangerous. Have been known to cause skin sensitivities or reactions in individuals who are sensitive to chemicals.
  • Formaldehyde releasers - germ all plus, DMDM hydantoin, Imadozolidinyl Urea.
  • Isothiazolinones - broad-spectrum, non-carcinogenic, but can be irritating some individuals.
  • Phenoxyethanol - Optiphen is the most common name brand. Considered a mild preservative and non-irritating. Often used with Sodium Benzoate or Potassium Sorbate for broad-spectrum protection.
  • Organic Acids - Potassium Sorbate, Sodium Benzoate, Anisic Acid. Considered more natural than traditional preservatives. Must use high levels of and in a product with a PH of 2 - 6.

List of Different Preservatives (synthetic and natural):
  • 1,3-Dioxane
  • 1,2 Hexanediol
  • 2-Bromo-2-Nitro-1,3 Diol
  • Benzalkonium Chloride
  • Benzethonium Chloride
  • Benzyl Alcohol
  • Butylparaben
  • Caprylyl Glycol
  • Chlorhexidine Acetate
  • Chlorphenesin
  • Chloroxylenol
  • Climbazole
  • Dehydroacetic Acid
  • Diazolidinyl Urea
  • Dichlorobenzyl Alcohol
  • DMDM Hydantoin
  • Ethylhexyglycerin
  • Ethylparaben
  • Formic Acid
  • Glutaral
  • Grapefruit Seed Extract
  • Hexamidine Isethionate
  • Hinokitol
  • Idopropynyl Butylcarbamate
  • Imidazolidinyl Urea
  • Isobutylparaben
  • Isopropylparaben
  • Lactoperoxidase
  • Leucidal Liquid
  • Leucidal Complete
  • Methenamine
  • Methylisothiazolinone
  • Methylchloroisothiazolinone
  • Methyldibromo Glutaronitrile
  • Methylparaben
  • Pentylene Glycol
  • Phenethyl Alcohol
  • Phenxyisopropanol
  • Piroctone Olamine
  • Polaminopropyl Biguanide
  • Polymethoxy Bicyclic Oxazolidine
  • Potassium Sorbate
  • Propylparaben
  • Quaternium-15
  • Quaternium-73
  • Silver Chloride
  • Sodium Benzoate
  • Sodium Hydroxymethylglycinate
  • Sorbic Acid
  • Thimerosal
  • Tinosan
  • Triclocarban
  • Triclosan
  • Urea

Major Cosmetic Preservative Suppliers:

  • Acme
  • BASF
  • Biophil Italia SPA
  • Carlise International Corp.
  • DOW Chemical Company
  • Evonik
  • Guangzhou DX Chemical Co. LTD
  • Indo Gulf Company
  • Induchem
  • Lonza
  • Kinetic Technologies
  • Marco
  • Mason Chemical Co.
  • Merck
  • MMP Inc.
  • Premier Specialties, Inc.
  • Rita Corp.
  • Solabia Group
  • Stepan Company
  • Th Hilson
  • The Hall Star Company
  • Variati Sri
  • Vevy Europe SpA