HEPES

Grand HEPES, or hydroxyethylpiperazine ethane sulfonic acid, is an aminosulfonic acid derivative that works enzymatically to help break down the bonds that hold dead cells to the skin’s surface. This allows for even exfoliation, which can improve the appearance of the skin by reducing the appearance of fine lines and wrinkles, improving skin texture, and brightening the complexion.

INCI name: Hydroxyethylpiperazine Ethane Sulfonic Acid

Hydroxyethylpiperazine Ethane Sulfonic Acid (HEPES) is an important ingredient in cosmetics for its role as a pH buffer and stabilizer. It helps maintain the stability and efficacy of cosmetic formulations by ensuring that the pH remains within an optimal range. Its solubility and safety profile make it a valuable component in various skincare products, from cleansers to serums. While HEPES is generally well-tolerated, as with any ingredient, checking for compatibility with your skin through patch testing is recommended.

Functions in Cosmetics

  1. pH Buffering: HEPES is primarily used as a pH buffer in cosmetic formulations. It helps maintain a stable pH level in products, which is crucial for the stability and efficacy of the formulation and for ensuring that the product is gentle on the skin.
  2. Stabilizer: Due to its buffering properties, HEPES stabilizes active ingredients and prevents pH-induced degradation. This helps to extend the shelf life and effectiveness of the product.
  3. Improves Efficacy: By maintaining an optimal pH, HEPES ensures that other active ingredients in the formulation remain effective and do not undergo undesirable chemical changes.

Applications

  • Cleansers: Used in facial cleansers to maintain pH balance, which is important for preserving the skin’s natural barrier.
  • Serums and Moisturizers: Incorporated into serums and moisturizers to stabilize the pH and enhance the performance of other active ingredients.
  • Toners: Included in toners to help balance the skin’s pH after cleansing.

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