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Home > Cosmetic Ingredient > Cosmetic Preservative (Find 27 items)

Cosmetic Ingredient

Chemicals as Skincare Ingredients

Cosmetic Preservative

Extend the shelf life of your cosmetic products with effective preservatives. Check all the chemical products you need for cosmetic preservative with CAS NO., property information, SDS. Shop preservative raw chemical materials from certified suppliers with detailed product information to ensure product safety.

Phenol

(108-95-2)
Purified for molecular genetics applications It is an important organic synthetic raw material, used to make phenolic resin, bisphenol A, phenolphthalein, picric acid, salicylic acid, alkylphenol and other chemicals, and can also be used as a solvent. Used as raw materials for the manufacture of resins, synthetic fibers and plastics, as well as for the production of medicines and pesticides. It is a raw material for manufacturing phenolic resin, paint and medicine.

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Propionic acid

(79-09-4)
1. Mainly used as food preservative and mildew inhibitor. It can also be used as an inhibitor for medium viscosity substances such as beer. Used as nitrocellulose solvent and plasticizer. It is also used in the preparation of nickel plating solution, the preparation of food flavors, and the manufacture of medicines, pesticides, and mold inhibitors. 2. Organic synthesis raw materials are used to synthesize propylene salt, propionate ester, vinyl propionate ester, allyl cellulose, etc. Propionic a

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Potassium sorbate

(24634-61-5)
As mold and yeast inhibitor, like sorbic acid, especially where greater soly in water is desirable.

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Propylparaben

(94-13-3)
Pharmaceutic aid (antifungal), preservative in foods.

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Phenoxyethanol

(122-99-6)
phenoxyethanol is a broad-range preservative with fungicidal, bactericidal, insecticidal, and germicidal properties. It has a relatively low sensitizing factor in leave-on cosmetics. Phenoxyethanol can be used in concentrations of 0.5 to 2.0 percent, and in combination with other preservatives such as sorbic acid or parabens. In addition, it is used as a solvent for aftershaves, face and hair lotions, shampoos, and skin creams of all types. It can be obtained from phenol. Ethylene glycol phenyl

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Potassium benzoate

(582-25-2)
Analysis reagents. preservative. Pharmaceutical. Used as preservative in food industry; antimicrobial agent. Potassium benzoate is also used as a tweet agent for fireworks.

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Poly(hexamethylenebiguanide) hydrochloride

(32289-58-0)
Polyhexanide (polyhexamethylene biguanide, PHMB) is a polymer used as a disinfectant and antiseptic. In dermatological use, it is spelled polihexanide (INN) and sold under names such as Lavasept, Serasept, and Omnicide. PHMB has been shown to be effective against Pseudomonas aeruginosa, Staphylococcus aureus (also the methicillin-resistant type, MRSA), Escherichia coli, Candida albicans (yeast), Aspergillus brasiliensis (mold), vancomycin-resistant enterococci, and Klebsiella pneumoniae (carbape

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Potassium pyrosulfite

(16731-55-8)
1. Used as food bleach, preservative and antioxidant. Long-term consumption of foods with excessive sulfur dioxide will cause serious damage to the body and may even cause cancer. 2. Used as analytical reagent. Also used as developer, reducing agent, bacterial inhibitor. 3. Potassium metabisulfite is used as an additive in thiosulfate silver plating, and its sodium salt is also used in the treatment of chromium-containing wastewater.

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Cosmetic preservatives refer to substances exclusively or primarily intended to inhibit the development of microorganisms in cosmetic products. According to their origin, cosmetic preservatives can be divided into synthetic preservatives, such as parabens and formaldehyde releasers; natural preservatives, like essential oils and plant extracts; and semi-synthetic preservatives, such as phenoxyethanol derived from natural sources but modified for stability. Based on their mechanism of action, preservatives can be further categorized into antimicrobial agents, which directly kill or inhibit microorganisms, and chelating agents, which bind metal ions necessary for microbial growth. "Cosmetic preservative" on ECHEMl mainly supplies raw materials for cosmetic preservatives.

More Information

Microorganisms refer to tiny organisms that are invisible or barely visible to the naked eye (<0.1mm). They include single-celled organisms or multicellular structures with simple individual cells, as well as lower organisms lacking cellular structures.

Cosmetic products often contain complex ingredients such as oils, proteins, vitamins, carbohydrates, fatty acids, inorganic salts, minerals, etc., providing an excellent environment for microbial growth. Excessive microbial contamination can pose significant risks to consumers. Therefore, preservatives are essential in cosmetics.

Commonly used preservatives include:

•Phenoxyethanol

•Methylparaben

•Benzoic acid/Sodium benzoate

Frequently Asked Questions

What is a cosmetic preservative and why is it important?

A cosmetic preservative is an ingredient added to personal care and beauty products to prevent the growth of bacteria, mold, and yeast. It helps extend shelf life, maintain product integrity, and ensure consumer safety. Without effective preservatives, water-based formulations like lotions, creams, and shampoos can become contaminated, leading to spoilage or skin irritation.

What are the most commonly used types of cosmetic preservatives?

Common cosmetic preservatives include parabens (e.g., methylparaben, propylparaben), phenoxyethanol, benzyl alcohol, potassium sorbate, sodium benzoate, and newer alternatives like ethylhexylglycerin and caprylyl glycol. Each type has specific efficacy profiles, pH compatibility, and regulatory considerations. Formulators choose based on product type, desired shelf life, and compliance with regional cosmetic regulations such as EU Annex V or FDA guidelines.

Are paraben-free preservatives safer for skincare products?

'Paraben-free' does not automatically mean safer. Parabens have been extensively studied and are approved for use within regulated concentration limits by agencies like the FDA and the European Commission. However, due to consumer demand for 'clean beauty,' many brands opt for alternative preservative systems. These alternatives must still undergo rigorous safety and efficacy testing to ensure they adequately protect the product without causing sensitization or instability.

How do I choose the right preservative for my cosmetic formulation?

Selecting the right cosmetic preservative involves evaluating several factors:1. Product type (water-based vs. anhydrous),2. pH range and ingredient compatibility,3. Required microbial protection spectrum (bacteria, fungi, yeast),4. Regulatory compliance in target markets,5. Consumer perception and marketing claims (e.g., natural, organic, or preservative-free).It’s advisable to conduct challenge testing (preservative efficacy testing) to validate performance under real-world conditions.

Can natural or organic cosmetics be preserved effectively without synthetic preservatives?

Natural and organic cosmetics can be preserved using approved 'natural-origin' preservatives such as radish root ferment filtrate, leucidal liquid, or blends of rosemary extract and glyceryl caprylate. However, these systems often offer narrower antimicrobial coverage and may require strict manufacturing hygiene, airless packaging, or shorter shelf lives. Efficacy must be confirmed through preservative efficacy testing (PET) to meet safety standards and avoid product recalls.

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