Glutamic Acid in Skincare, What is pH value?

What is Glutamic Acid?

Glutamic Acid is a non-essential amino acid, meaning that the body can synthesize it on its own. It is one of the most abundant amino acids in the human body and plays a crucial role in several biological processes. Glutamic acid exists in two forms: bulk ingredient suppliers L-glutamic acid (the naturally occurring form) and D-glutamic acid, which is rare in nature but may be found in some bacteria and other microorganisms. wholesale glutamic acid powder – The ultimate ingredient for formulators seeking enhanced performance, hydration, and skin health.

Raw Materials Specifications:

  • Appearance: White, fine powder
  • Purity: 99% L-Glutamic Acid
  • Solubility: Highly soluble in water
  • pH Range: Ideal for maintaining skin-friendly pH (4.0-5.0)
  • Storage Conditions: Keep in a cool, dry place;

As a trusted manufacturer of L-Glutamic Acid 99% Powder, we provide premium-grade raw materials that meet the highest standards of purity and efficacy. Our product is perfect for cosmetic and personal care formulations, offering a wide range of benefits for skincare, haircare, and body care products.

Glutamic Acid in Skincare: pH Value, Water Solubility, Safety, Dosage, and Regulations

1. pH Value

Glutamic acid, an amino acid commonly found in skincare products, typically has a pH between 4.0 and 5.0 in aqueous solutions. Its pH can vary slightly depending on the formulation and concentration, as glutamic acid behaves as a mild acid with a carboxyl group capable of dissociating in water. When used in cosmetics, it helps to maintain the overall pH of the product, ensuring it stays within a skin-friendly range, usually around 4.5 to 5.5.

Structure of Glutamic Acid

2. Water Solubility

Glutamic acid is highly water-soluble, which makes it a desirable ingredient in skincare and hair care products. Its solubility allows for easy integration into serums, creams, moisturizers, and hair treatments, ensuring uniform dispersion and effectiveness. The amino acid can also help hydrate the skin by attracting moisture due to its hydrophilic nature.

3. Safety

Glutamic acid is generally regarded as safe for use in skincare products, including creams, serums, and hair care formulations, when used within recommended concentrations. It is well tolerated by most skin types, though individuals with highly sensitive skin or allergies to amino acids should patch-test before full use.

  • Concentration in Skincare: Glutamic acid is typically used in concentrations ranging from 0.5% to 5%, depending on the formulation and purpose.
  • Irritation: Glutamic acid is unlikely to cause irritation when used in standard concentrations, but high concentrations in certain formulations (especially on compromised skin) may lead to mild irritation.
  • Toxicity: There have been no significant reports of toxicity or adverse reactions related to glutamic acid in topical cosmetic applications.

4. Dosage

The typical dosage of glutamic acid in skincare products varies depending on the desired effects, ranging from 0.5% to 5%. Higher concentrations may be used in specific treatments, but it is important to follow the formulation guidelines provided by the product’s manufacturer to avoid irritation or imbalanced pH.

  • Serums and creams: 1% to 5%
  • Moisturizers:5% to 2%
  • Hair products:5% to 1%

5. International Regulations

Glutamic acid is widely accepted for use in cosmetics around the world, though regulatory standards can vary from region to region:

  • EU Cosmetics Regulation (EC) No 1223/2009: Glutamic acid is approved for use in cosmetics and personal care products in the European Union, with no specific restrictions on its use, as long as it meets general safety requirements.
  • US FDA (Food and Drug Administration): The FDA recognizes glutamic acid as a safe ingredient for topical use in cosmetics. It is not specifically listed as a restricted substance, but manufacturers must ensure their products comply with the safety requirements set forth in the FDA’s regulations.
  • Japan (Pharmaceuticals and Medical Devices Agency – PMDA): Glutamic acid is permitted for use in cosmetics as long as it complies with local regulations and safety evaluations.
  • China (NMPA): Similar to other regions, glutamic acid is allowed in cosmetics in China, but products must undergo pre-market approval.

Glutamic Acid

Glutamic Acid in Skin Care Uses

In skincare formulations, glutamic acid can act as a pH adjuster, hydrating agent, and skin conditioning agent. It is commonly found in products such as serums, moisturizers, hair treatments, and cleansers.

In Skincare:

  • Hydration: Glutamic acid, due to its hydrophilic (water-attracting) properties, is used in skincare products to help maintain skin moisture.
  • Amino Acid Complex: In cosmetics, it helps support the skin’s natural barrier function, promote collagen synthesis, and maintain elasticity.
  • Gentle Exfoliation: Its mild acidic nature can also help exfoliate the skin and maintain a healthy pH balance.
  • Glutamic acid skin whitening: Glutamic acid had a better inhibitory effect on L-DOPA auto-oxidation than tyrosinase activity.

In Haire:

  • Strengthening Hair: As an amino acid, glutamic acid can help reinforce the hair protein structure, keeping it strong and less prone to damage.
  • Moisturization: It helps retain moisture in both the hair and scalp, preventing dryness and flakiness.

Where to Buy Glutamic Acid?

We offer flexible packaging options tailored to your specific needs, from small bulk orders to large-scale shipments. If you require custom formulations or have specific product requirements, our R&D team is ready to work with you to create a bespoke solution that fits your brand and product line. Contact us today to inquire about pricing, MOQ.

 

Tips: When purchasing, require raw cosmetic ingredients suppliers to provide the corresponding level of COA and certification copies, and send samples to third-party testing (such as SGS) to verify purity and safety.

 

FAQ

1. Is glutamate the same as Glutamic acid?

“Glutamic Acid” is often referred to as a negative ion type or “Glutamate” Glutamic acid is a nonessential amino acid that serves as an effective intermediate metabolic agent. Glutamic acid is a non-essential amino acid used by the body to build proteins.

2. Can Glutamic acid whiten skin?

L-Glutamine, also known as Glutamine, allows skin cells to work optimally for smooth, radiant, healthy-looking skin. L-Glutamine may help lighten the skin and minimize dark spots while reinforcing the skin and increasing the development of collagen.

3. Is Glutamic acid gluten-free?

Different starches and sugars can be used as starting materials, but one of them does not appear to be wheat starch. It is extremely doubtful, even if it was, that the glutamic acid salt would contain traces of gluten.

4. What is the connection between Glutamic acid and Oxaloacetic acid?

Glutamic acid can be converted to oxaloacetic acid in metabolic processes, contributing to energy production and amino acid synthesis.

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