GSB Natural Preservative Powder

Gluconolactone + Sodium Benzoate

Natural Broad-Spectrum Preservative. Cosmetic Ingredient used in the manufacture of skin care products to keep your formulas free of bacteria and contaminents.

$12.95
OR

Gluconolactone & Sodium Benzoate (GSB) Natural Preservative Powder is a plant-derived powder that extends the shelf life of water-containing skincare formulas while preserving natural ingredient integrity. Its key benefit is broad-spectrum preservation without synthetic parabens.

If you struggle with short shelf-life contamination or skin-irritating preservatives, this powder helps maintain product safety for your DIY serums, lotions, and creams while remaining gentle on skin.

  • Ecocert accepted a broad-spectrum preservative for bacteria, yeast, and mold.
  • Non-GMO and GRAS status for formulation confidence
  • Powder form for precise dosing in DIY serum boosters and lotion making
  • Moisturizing action that supports formulation stability without added fillers
  • Suitable for a wide range of skin types and paraben-free

Unlike single-ingredient liquid preservatives, GSB combines gluconolactone plus sodium benzoate to deliver broader antimicrobial coverage. Compared to premixed liquid systems, the powder format simplifies storage, shipping, and customization for professional-strength peptide formulas.

Backed by Ecocert acceptance and GRAS designation, this preservative powder is recommended for formulators who prioritize natural sourcing, transparent certification, and measurable protection. Learn recommended usage rates and perform compatibility testing for your specific formula before large-scale production.

Benefits of Using Natural Preservative Powders

  • Nature's Preservation: Embrace a natural approach to preservation with Gluconolactone and Sodium Benzoate (GSB). Derived from plant-based sources, this preservative powder helps maintain the integrity of your skincare formulations while staying true to your commitment to nature.
  • Extended Shelf Life: Our GSB Natural Preservative Powder extends the shelf life of your skincare creations. Say goodbye to premature spoilage and hello to products that remain effective over time, so you can enjoy their benefits to the fullest.
  • Broad-Spectrum Protection: This powerful combination of Gluconolactone and Sodium Benzoate provides broad-spectrum protection against a variety of harmful microorganisms that can compromise the quality of your skincare products. Enjoy peace of mind knowing your formulations are safeguarded.
  • Gentle and Skin-Friendly: Unlike harsh synthetic preservatives, GSB Natural Preservative Powder is gentle on the skin. It is suitable for a wide range of skin types and minimizes the risk of skin irritation, ensuring your creations are effective and easy to use.
  • Preserve Natural Essence: Maintain the authenticity of your formulations with GSB Natural Preservative Powder. Its unique properties help preserve the natural essence of your ingredients, so you can continue to experience the goodness that Mother Nature has to offer.

Elevate your skincare formulations with Skin Perfection's Gluconolactone & Sodium Benzoate (GSB) Natural Preservative Powder and embrace a new era of effective, safe, and nature-inspired preservation.

  • Broad-spectrum Preservative Accepted by Ecocert
  • Naturally Occurring
  • Moisturizing

Non-GMO + GRAS + ECOCERT

EWG Score

The Skin Deep® ingredient hazard score, from 1 to 10, reflects known and suspected hazards linked to the ingredients. Learn more →
1-2 Low Hazard
3-6 Moderate Hazard
7-10 High Hazard

  • Gluconodeltalactone and Sodium Benzoate Origin:

INCI: Gluconodeltalactone and Sodium Benzoate.
Recommended Usage rate .75 - 2%. Best results when used at 1 -1.5%.

Add .75- 2% concentration to the water phase of your formula, and let it dissolve. Then add at room temperature.

For heat-processed formulas, follow the above instructions, then heat.

Compatible with Leucidal Liquid Radish Root Ferment or Leucidal SF Max.

pH efficacy: 3 to 6
Not compatible with anhydrous formulas or those that contain Vitamin C or Food Coloring.

Appearance: White Crystalline Powder
Scent: Odorless
Solubility: Water Soluble

Shelf life: 12 months when stored properly.
Storage: Store in a tightly sealed jar or zip container in a cool, dry place.

May be used as a preservative in certified organic skincare products.

Country of Origin: USA

Animal Testing: Cruelty-free

GMO: Non-GMO

Vegan: Yes

CAS: 90-80-2, 532-32-1, 299-28-5

HS Code: 2916.39

Size 15 gram jar

Applications

  • facial serums
  • moisturizers and creams
  • body lotions
  • hair care products
  • sunscreen
  • Exfoliators

MSDS Sheet

Skin Perfection

746092236841

This is a cosmetic ingredient used in making cosmetics, skincare, and hair care products. Cosmetic grade, for external use only.

Transcript coming soon!

INGREDIENTS MATTER.

Opting for natural preservatives in skincare formulations ensures a safer and healthier product by effectively preventing microbial growth, extending shelf life, and minimizing the risk of skin irritation or sensitization associated with synthetic preservatives.

Customer Reviews

Questions & Answers

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  • Can this preservative be used for toothpaste formulations?

    All of our cosmetic ingredients are cosmetic grade. They are meant to be used in topical formulations for the skin. Gluconolactone and Sodium Benzoate is recommended for external use only.

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Frequently Asked Questions

What is gluconolactone and sodium benzoate?
Gluconolactone and sodium benzoate is a natural, broad-spectrum preservative blend used to protect water-containing skincare products. Gluconolactone is a polyhydroxy acid that works as a humectant, mild chelating agent, and preservative booster, while sodium benzoate is the salt of benzoic acid that provides antimicrobial activity, especially in acidic environments (benzoic acid has a pKa around 4.2). The combination is accepted by Ecocert and supplied as a stable powder that is GRAS and non-GMO, which makes it attractive for natural and organic formulations. This blend helps prevent bacterial, yeast, and mold contamination while adding gentle moisturizing benefits. Ingredient-savvy DIY formulators and small-batch makers who want Ecocert-compatible, low-irritant preservation benefit most. Note that efficacy depends on formulation factors such as pH, water activity, and dose, so professional challenge testing or following supplier usage guidelines is recommended.
What is the safest preservative for skincare?
There is no single safest preservative for all skincare; safety is determined by toxicology data, regulatory acceptance, concentration, and how it performs in a specific formula. Preservative safety is evaluated by measures such as allergenicity, systemic exposure limits, and regulatory lists. Natural options like gluconolactone plus sodium benzoate have favorable profiles because they are Ecocert-accepted, GRAS, and tend to be low-irritant while offering broad-spectrum activity, but safety still depends on correct concentration and product pH. Formulators making products for sensitive or mature skin benefit from milder, well-documented systems with moisturizing co-benefits. For true safety assurance, conduct preservative challenge testing, follow supplier guidance, and include patch testing for finished products, because even gentle preservatives can cause reactions in some individuals.
Is GSB Natural Preservative Powder suitable for DIY water-based serums and creams?
Yes. GSB Natural Preservative Powder is suitable for many DIY water-based serums and lotions when used with proper formulation controls. The powder pairs gluconolactone, which adds humectant and chelating support, with sodium benzoate, which provides antimicrobial action in the presence of water; the blend is Ecocert-accepted and designed for broad-spectrum protection in acidic to mildly acidic systems. Its powdered form is convenient for accurate measurement into the water phase of serums, hyaluronic acid gels, and lightweight creams. This product particularly benefits DIY formulators and ingredient-savvy users creating peptide serums or natural moisturizers who want preservative protection without harsh synthetics. Limitations include pH sensitivity and water activity: very high-pH or unusually high-risk formulas may require alternative or additional preservatives and professional challenge testing for reliable long-term preservation.
Can I use Skin Perfection’s GSB Natural Preservative Powder in organic and eco-certified skincare formulations?
Yes, Skin Perfection’s Gluconolactone & Sodium Benzoate (GSB) Natural Preservative Powder is suitable for use in organic and eco-certified skincare formulations. This preservative is approved by Ecocert, a leading certifying organization for natural and organic cosmetics, and it features naturally derived ingredients with a non-GMO and GRAS (Generally Recognized as Safe) status. Thanks to its broad-spectrum antimicrobial effectiveness and gentle, skin-friendly profile, GSB is popular among formulators aiming to meet clean beauty standards without compromising product safety or shelf life. It’s especially beneficial for ingredient-conscious DIY enthusiasts and professionals looking to craft preservative systems that align with green beauty values. While GSB covers a wide range of bacteria and yeasts, those needing mold-specific protection may still want to assess their recipe’s unique preservation needs.
Can I use Skin Perfection’s Gluconolactone & Sodium Benzoate (GSB) Natural Preservative Powder in products with active peptides?
Yes, Skin Perfection’s GSB Natural Preservative Powder is compatible with skincare formulas containing active peptides, including Matrixyl 3000, Argireline, and Syn-Coll. Its gentle, non-denaturing action preserves the bioactivity of sensitive peptide complexes, making it ideal for those formulating high-performance anti-aging products at home. GSB works effectively at typical peptide serum pH levels (3–6) and does not require high temperatures, further protecting delicate actives. Ingredient-savvy women who want clinical-strength, DIY peptide serums without the risk of peptide breakdown or harsh preservatives will benefit most from this preservative system. However, it’s important to use the recommended concentration (typically 0.75–2%) and routinely check final product pH for optimal preservation.