The Best Skincare Preservative Ingredients That are HealthyCitric Acid - Antioxidant, Antibacterial, prevents rancidity, very mild unless used at very high dose.
Benzylalcohol - Synthetic but is antiviral, antibacteria and anti fungal and also helps acne.
Geranium Essential Oil - Antioxidant, antibacterial, anti fungal, anti mold, low irritation
Honey - Antibacterial, with an added benefit of moisturizing the skin
Lavandula Officinalis ( Lavender Oil ) - Antibacterial and an antioxidant - usually used in formulation with other chemicals
Lemon Oil - Kills bacteria and an antioxidant - usually used in formulation with other chemicals.
Neem Extract - One of the best, from azadirachta tree in India, helps acne, is an antiseptic, antibacterial, antifungal, antiviral, and antiparasitic.
Neopein - Antibacterial and antifungal, known to protect water based lotions.
Olea Europaea (Olive) Leaf Extract - Antibacterial, antifungal, antiviral, is an antioxidant, and an anti-irritant.
Orange Oil - Antibacteria, antioxidant, very mild
Phenoxyethanol - Synthetic, but is an antiviral, anti fungal and anti bacteria that also helps with yeast agent that is non glycol, non paraben, and non formaldehyde releasing. Must be with other preservatives such as potassium sorbate to be effective.
Potassium Sorbate - Anti mold and anti fungal and protects from yeast, needs to be used with other preservatives because not only protects from a small amount of bacteria.
Polyaminopropyl Biguanide - Antibacterial and fungicide used in a contact lens solution, very safe.
Tea Tree Oil - Antibacterial and an antioxidant - usually used in formulation with other chemicals .
Tetrasodium EDTA - Synthetic and though not a preservative, helps to stabilize antioxidants and improve effectiveness of preservatives.
Thymol - Natural from the plant Thyme, used in ancient Eygypt for preserving mummies. Anti bacterial, anti fungal, and an antioxidant.
Healthy Preservatives for Skincare, but they Can Cause Irritation
Benzoin Powder - Slows bacteria growth, can be a skin irritant
Cinnamaldehyde -Natural from Cinnamon oil and bark, it is anti bacterial, anti fungal, and an antioxidant. It can be a skin irritant.
Hydrastis Canadensis ( Goldenseal ) - Also known as Tumeric or Yellow Root, can irritate skin. We almost didn't want to include Goldenseal since it has no proof to work topically, but we include it to relay the information of how it works orally as an antibacterial and antiviral ingredient, not topically.
Ethylenediamine - Fungicide, rarely found in products, can cause allergen contact dermititis.
Oregano Essential Oil - Kills mold, fungi and bacteria, can cause allergic reaction due to limonene in it.
Rosmarinus Officinalis ( Rosemary ) - Antibacterial, antioxidant, can cause allergic contact dermatitis.