Propylene Glycol

Propylene Glycol

What is Propylene Glycol?⚗️

Propylene Glycol or in a short name is PG is a clear, colorless liquid with a mild odor and excellent water solubility. Due to its versatile functional properties, it is widely used across the cosmetics, skincare, haircare, and personal care industries.

One of the key advantages of Propylene Glycol is its ability to retain moisture, making it an effective humectant in various formulations. In addition, it serves as a solvent and helps ensure the even distribution of ingredients throughout a product, contributing to improved texture, stability, and overall performance.

Thanks to these benefits, Propylene Glycol has become a fundamental ingredient in a wide range of cosmetic and personal care products, including moisturizing creams, lotions, serums, toners, shampoos, conditioners, and fragrances, where it enhances product consistency and user experience.

Why is propylene glycol so popular in the cosmetic industry?💄

In cosmetic manufacturing, formulators require ingredients that can effectively blend active substances, enhance product stability, and improve the overall consumer experience. Propylene Glycol (PG) meets these requirements through its multifunctional properties,

making it one of the most widely used ingredients in cosmetic and personal care formulations.

1. Humectant

Propylene Glycol acts as an effective humectant, attracting and retaining moisture on the skin's surface. This helps maintain skin hydration and reduces the feeling of dryness or tightness after application, making it a valuable ingredient in skincare products.

2. Solvent

PG serves as an excellent solvent, helping dissolve active ingredients, vitamins, botanical extracts, fragrances, and other formulation components. This ensures better compatibility and uniformity within the product.

3. Enhances Formula Stability

By promoting the even dispersion of ingredients, Propylene Glycol helps improve the stability of cosmetic formulations. It can reduce the risk of ingredient separation and contribute to a more consistent product throughout its shelf life.

4. Supports Ingredient Delivery

Propylene Glycol can function as a penetration enhancer, helping certain active ingredients reach the skin more effectively. This may improve the overall performance and efficacy of cosmetic formulations.

5. Improves Product Texture and Sensory Feel

PG contributes to a smoother, softer texture in creams, lotions, and serums. It enhances spreadability and provides a pleasant skin feel, helping create products that are easy and comfortable to apply.

The use of Propylene Glycol in the cosmetic industry

Due to its excellent moisturizing, solvent, and stabilizing properties, Propylene Glycol (PG) is widely used in a broad range of cosmetic and personal care products.

Skincare Products

  • Skin care cream
  • Lotion
  • Serums
  • Moisturizers
  • Skin care gels
  • Toners

Hair Care Products

  • Shampoo
  • Hair Conditioners
  • Hair treatment products
  • Hair styling products

Facial Cleansing Products

  • Facial cleansers
  • Makeup removers
  • Facial foaming

Fragrances and Personal Care Products

  • Perfume
  • Body mist
  • Roll-on deodorants
  • Deodorant sprays

Because of its excellent solvency, Propylene Glycol effectively dissolves fragrances and aromatic compounds, making it a preferred ingredient in perfume and spray-based formulations.

Is Propylene Glycol Safe?

One of the most frequently asked questions is: “Is Propylene Glycol harmful?”

In general, Propylene Glycol is considered a safe and well-established ingredient that has been widely used in the cosmetic, pharmaceutical, and food industries across many countries worldwide.

When used within recommended concentrations and manufactured according to applicable quality and regulatory standards, Propylene Glycol is regarded as safe for use in skincare and cosmetic products. Its long history of use and multifunctional benefits have made it a trusted ingredient among formulators and manufacturers.

However, as with many cosmetic ingredients, individuals with highly sensitive or reactive skin may occasionally experience mild irritation. For this reason, manufacturers should ensure that formulations are carefully developed, thoroughly evaluated, and appropriately tested before being introduced to the market.

Product Details

The Propylene Glycol product for cosmetic industry from L. Eternal📦

L. Eternal supplies and distributes high-quality raw materials for the cosmetic industry, offering a range of glycol-based ingredients that meet the requirements of various formulation applications, from skincare and personal care to fragrance products.

1. Propylene Glycol USP Grade (PG USP)

Packaging

215 kg / Drum

Key featured

  • High purity in compliance with USP (United States Pharmacopeia) standards
  • Suitable for cosmetic and personal care formulations
  • Helps enhance and retain moisture in products
  • Acts as an effective solvent for a wide range of ingredients
  • Contributes to improved formulation stability and consistency

Applications

  • Skin care cream
  • Lotion
  • Serums
  • Hair care products
  • Facial Cleansing Products
  • Personal care products

2. Dipropylene Glycol (DPG)

Packaging

235 kg / Drum

Key featured

Dipropylene Glycol or DPG is a widely used glycol-based ingredient in the fragrance and cosmetics industries, valued for its excellent solvency and stability characteristics.

The key feature is

  • Very low odor, making it ideal for fragrance applications
  • Excellent solvent for perfumes and fragrance compounds
  • Helps extend fragrance longevity
  • Enhances fragrance diffusion and scent performance
  • High formulation stability

Applications

  • Perfume
  • Diffuser
  • Body mist
  • Air freshener spray
  • Fragrance products in cosmetics
  • Personal care treatment

To sum up

Propylene Glycol is a key ingredient in the cosmetic industry, valued for its multifunctional properties as a humectant, solvent, and formulation stabilizer. Its ability to retain moisture, improve ingredient solubility, and enhance product consistency makes it a popular choice for a wide range of applications, including creams, lotions, serums, shampoos, and various personal care products

At the same time, Dipropylene Glycol (DPG) is another essential ingredient, particularly in the fragrance and scented personal care sectors. Known for its excellent solvency, low odor, and high stability, DPG helps improve fragrance diffusion and longevity, making it an ideal carrier for perfumes and aromatic formulations.

L. Eternal offers reliable and high-quality glycol-based solutions, including: Propylene Glycol USP Grade (PG USP) 215 kg/drum and Dipropylene Glycol (DPG) : 235 kg/drum To support the needs of cosmetic manufacturers and related industries.

Q&A

What is propylene glycol?

Propylene Glycol (PG) is a clear, colorless liquid that is highly soluble in water. It is widely used as a humectant, solvent, and formulation aid in the cosmetics, pharmaceutical, and personal care industries.

How do you read "propylene glycol"?

It's called โพรพิลีน ไกลคอล also called PG

What is Propylene Glycol used for in cosmetics?

Propylene Glycol serves multiple functions in cosmetic formulations. It helps: Retain moisture and prevent dryness, Dissolve active ingredients and fragrance compounds, Improve formulation stability, Enhance product texture and spreadability, Support the effective delivery of certain active ingredients

Is Propylene Glycol safe?

In general, Propylene Glycol is considered safe when used within approved concentrations and according to established industry standards. It has been widely utilized for decades in cosmetic, pharmaceutical, and personal care products worldwide.

What is PG USP?

PG USP (Propylene Glycol USP Grade) refers to Propylene Glycol that meets United States Pharmacopeia (USP) quality and purity standards. It is commonly used in cosmetic, skincare, and other applications requiring high-quality raw materials.

What is DPG?

DPG (Dipropylene Glycol) is a glycol-based ingredient widely used in the fragrance and cosmetics industries. It is valued for its excellent solvency, low odor profile, and ability to improve fragrance performance and longevity.

What is the difference between PG and DPG?

While both are glycol-based ingredients, they serve different primary purposes: - Propylene Glycol (PG): Commonly used in skincare and personal care products as a humectant and solvent to enhance moisture retention and formulation performance. - Dipropylene Glycol (DPG): Primarily used in fragrances, perfumes, and scented products to dissolve fragrance compounds and improve scent diffusion and longevity.

Where can we buy Propylene Glycol and DPG?

L. Eternal supplies and distributes both Propylene Glycol USP Grade (PG USP) and Dipropylene Glycol (DPG) for the cosmetics, personal care, and related industries. Our team can also provide technical guidance to help customers select the most suitable raw materials for their specific formulations.


📩 For more information, please contact
🚚 Delivery to all nationwide with customer support
📌 Contact L. Eternal team
📞 02-114-7000 ext. 110 | Line: @leternalgroup

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