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What is "Pentylene Glycol" and what is its utility?

What is "Pentylene Glycol" and what is its utility?

Pentylene glycol is an ingredient that naturally occurs in certain plants such as beetroot and corn cobs. In cosmetic formulas, it often serves as a solvent to facilitate the dispersion of ingredients. It is also recognized for its humectant properties, making it particularly appealing for dry and dehydrated skin.

What is "Pentylene Glycol"?

Pentylene glycol or pentane-1,2-diol is a diol with the molecular formula C5H12O2. The two alcohol groups are attached to the first and second carbon atoms, respectively. A few years ago, only the synthetic version derived from mineral oils was available and used in cosmetic care. Today, pentylene glycol is also available in a plant-based version, especially in natural and/or certified organic products. It is then extracted from renewable plant sources such as corn or sugarcane.

Pentylene Glycol: Its Cosmetic Properties.

Pentylene glycol is a compound recognized both for its functional activity (as a solvent, preservative) in a cosmetic formula and the benefits it brings to the skin:

  • Pentylene glycol is a humectant that retains water in the superficial layers of the epidermis.

    Composed of two alcohol functions (-OH), pentylene glycol demonstrates an affinity with water molecules; it is a hydrophilic compound. As such, it retains moisture in the skin as well as in hair fibers, preventing their breakage. It is recommended for the care of dry and dehydrated skin, as well as brittle, split, and damaged hair.

  • Pentylene glycol is frequently used as a solvent in a product.

    Capable of dissolving numerous active substances and ingredients, pentylene glycol is often added to formulations to stabilize the mixture. Its non-reactivity with other compounds makes it an excellent solvent.

  • As a preservative, it restricts the growth of microbes and bacteria within the formulas.

    Pentylene glycol has the ability to protect a skincare product from any microbial growth, which enhances the product's longevity and maintains its effectiveness and safety over time.

Note : This antimicrobial function also protects the skin from harmful bacteria that can be present in large quantities in acne (S. aureus and S. epidermidis in particular) or cause significant body odors, especially in the armpit area.

In which Typology skincare products can one find pentylene glycol?

We only use plant-derived pentylene glycol, sourced from sugarcane. This compound is present in the following two skincare products:

  • The face moisturizing cream with 9 ingredients: enriched with hyaluronic acid and organic coconut oil, this is a minimalist formula that hydrates and nourishes the epidermis. Its light and non-greasy texture is suitable for dry, normal, and combination skin, even sensitive ones.

  • Themicellar waterwas designed using only ingredients essential to its function. Any superfluous element was discarded. It consists of 7 ingredients. The pentylene glycol present in this care product helps to stabilize the formula and hydrate the skin.

  • The nourishing body cream restores the skin's lipid barrier, reduces feelings of tightness, and protects the skin from external aggressions.

Source:

  • GOOSSENS A. & al. Les nouveaux conservateurs et excipients des cosmétiques. Progrès en dermato-allergologie (2005).

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