About Sodium Lactate
- Synonyms: Sodium Lactate, Sodium Lactate 60%, SL, Lactic acid sodium salt, Sodium DL-lactate
- INCI Name: Sodium Lactate
- CAS: 72-17-3
- Einecs: n/a
- Viscosity: Runny Liquid
- Solublity: Soluble
- Storage: Cool, dark dry area, air tight container preferred
- Appearance: Clear liquid
- Odor: Low to no odor
- Natural: Synthetic, derived from Corn
- Packaging: 1 lb is a single cylinder, 10 Lb is a single Jug, 42 Lb is a single pail. 420 Lb is a large steel drum
- Shelf life: Indefinite, Suggested retest date 5 year from purchase
Usage / Benefits
- Industries: Cosmetics and personal care products, textile industry, chemical manufacturing, plastics industry, agriculture, animal feed, medical and healthcare, leather processing, cleaning products industry.
- Applications: pH regulation, moisture retention in cosmetics, skin hydration in personal care products, intravenous fluid replacement in medical applications, textile dyeing process, plasticizer in plastics manufacturing, biodegradable polymer production, livestock feed additive, leather tanning and conditioning, cleaning product formulation.
- Benefits: Regulates pH in various applications, retains moisture in cosmetics and personal care products, hydrates skin, acts as a vital medical treatment in fluid therapy, assists in textile dyeing, serves as an effective plasticizer, contributes to biodegradable polymer production, beneficial as a feed additive, conditions leather, facilitates cleaning product formulation.
- Products Uses: pH adjustment in beverages, moisture retention agent in cosmetics, skin hydration ingredient in lotions and creams, component in intravenous fluids for medical treatment, dyeing aid in textiles, plasticizer in plastic manufacturing, polymer production, livestock feed additive, leather tanning and conditioning agent, ingredient in cleaning products.
- Safety: Generally safe, however keep out of eyes and do not eat.
- Cautions: Not for ingestion, keep away from pets and children who may attempt to eat.
- External Use Only: Even if food grade, we do not provide items for ingestion, all of our items are for external use only.
Sodium lactate, a salt derived from lactic acid, is a versatile ingredient that has gained considerable attention in the realms of personal care, soap making, and cosmetics. While its applications span across various industries, in the context of skin care and beauty, sodium lactate stands out for its unique properties and benefits.
Origin and Production
Sodium lactate is primarily produced through the fermentation of sugars derived from renewable resources, such as corn or beet. Once the sugars undergo fermentation, lactic acid is formed. This acid is then neutralized with sodium hydroxide, leading to the creation of sodium lactate. The result is a clear, colorless liquid that is both water-soluble and biodegradable.
Moisturizing Agent in Personal Care
One of the most celebrated benefits of sodium lactate is its powerful humectant properties. As a humectant, it has the ability to attract and retain moisture from the environment. When incorporated into lotions, creams, and other skincare products, sodium lactate helps in moisturizing the skin by drawing water into the skin's outer layer, preventing it from drying out. This leads to skin that feels softer, smoother, and more supple.
In the world of soap making, sodium lactate is highly valued for multiple reasons:
- Hardening Agent: Adding sodium lactate to soap mixtures can enhance the hardness of the final bar, reducing the time it takes for the soap to cure. A harder soap bar is also longer-lasting and less prone to becoming mushy when exposed to moisture.
- Improved Texture: Sodium lactate lends a smooth, creamy texture to soaps, making them more luxurious and pleasant to use.
- Easier Unmolding: For soaps that are poured into molds, sodium lactate ensures that once set, the soap can be easily removed from the mold without breaking or sticking.
Within cosmetic products, sodium lactate serves as more than just a moisturizing agent. It also plays a role in:
- pH Regulation: Sodium lactate can be used to adjust and stabilize the pH levels of cosmetic formulations, ensuring the product remains effective and safe for skin application.
- Enhancing Product Stability: Its presence can enhance the overall stability of a product, especially in water-based formulations, preventing them from separating or degrading over time.
- Improved Skin Feel: Beyond moisturization, sodium lactate imparts a pleasant, non-sticky feel to cosmetic products, making them more desirable to consumers.
Considerations in Use
While sodium lactate offers numerous benefits in personal care and cosmetic applications, it's essential to use it in the right concentrations. Overuse can lead to products that are too sticky or tacky in texture. It's also worth noting that while sodium lactate is generally considered safe for topical application, it's always wise to conduct patch tests or consult dermatologists when formulating new products.
Sodium Lactate Uses
Sodium lactate, a salt derived from lactic acid, is known for its diverse range of applications, particularly in the personal care, soap making, and cosmetic sectors. Here are the primary uses:
Personal Care and Skincare
- Moisturizing Agent: Owing to its humectant properties, sodium lactate attracts and retains moisture in the skin, making it an essential ingredient in many moisturizers and lotions.
- pH Regulation: It helps in adjusting and stabilizing the pH levels of skincare formulations, ensuring the products remain effective and skin-friendly.
- Enhanced Skin Feel: Sodium lactate offers a non-sticky, smooth finish to products, enhancing the overall skin feel after application.
- Hardening Agent: It is added to soap mixtures to increase the hardness of the resulting soap bar, ensuring durability and longevity.
- Improved Texture: Provides soaps with a smooth and creamy texture, elevating the user experience.
- Easier Unmolding: Ensures that soaps can be conveniently removed from molds without breakage.
- Formulation Stability: In cosmetics, sodium lactate enhances product stability, particularly in water-based products, preventing them from separation or degradation.
- Enhanced Moisturization: In cosmetic products that promise hydration, sodium lactate ensures prolonged moisture retention.
- Preservative Properties: Sodium lactate has mild preservation properties, making it useful in certain formulations to enhance shelf life.
- Buffering Agent: It serves as a buffering agent, helping to maintain the desired acidity or alkalinity of a product.
Sodium Lactate Benefits
Enhancement of Food Flavor and Preservation
Sodium Lactate is commonly used to enhance flavor and preserve the freshness of various food products, thereby extending shelf life.
pH Regulation and Buffering
It serves as a buffering agent to regulate pH in various applications, including food, beverages, and pharmaceuticals.
Moisture Retention in Cosmetics and Personal Care Products
As a humectant, Sodium Lactate helps retain moisture in cosmetics and skincare products, providing hydration and improving texture.
Medical Fluid Replacement Therapy
Utilized as a component in intravenous fluids, Sodium Lactate plays a vital role in fluid replacement therapy and electrolyte balance in medical treatments.
Aid in Textile Dyeing Process
It facilitates the dyeing process in the textile industry, ensuring uniform color distribution and improving overall quality.
Plasticizer in Plastic Manufacturing
As an effective plasticizer, it enhances the flexibility and workability of plastics, contributing to various manufacturing applications.
Contribution to Biodegradable Polymer Production
Sodium Lactate contributes to the creation of environmentally-friendly biodegradable polymers, promoting sustainability in the plastics industry.
Nutritional Enhancement in Livestock Feed
As an additive in animal feed, it enhances nutritional content and supports overall animal health and growth.
Improvement in Leather Products
Utilized in leather processing, it improves the appearance, conditioning, and durability of leather goods.
Enhancement of Cleaning Products
It is used in the formulation of cleaning products, boosting their cleaning efficiency and performance.
Sodium Lactate vs. Lactic Acid
Sodium Lactate and Lactic Acid are related compounds that serve different purposes in various applications:
1. Chemical Structure
Sodium Lactate: Sodium Lactate is the sodium salt of lactic acid. It consists of sodium cations (Na+) and the lactate anion derived from lactic acid.
Lactic Acid: Lactic Acid is an organic acid with the chemical formula C3H6O3. It occurs naturally and can be produced synthetically.
Sodium Lactate: Sodium Lactate is often used as a humectant and moisturizer in personal care products due to its ability to attract and retain moisture.
Lactic Acid: Lactic Acid is commonly used in skincare products for its exfoliating properties and its potential to support the skin's natural renewal process.
3. pH Regulation
Sodium Lactate: Sodium Lactate can be used to adjust and regulate the pH of formulations. It acts as a buffer to help maintain desired pH levels.
Lactic Acid: Lactic Acid is an alpha hydroxy acid (AHA) that can lower the pH of formulations. Its acidic nature contributes to exfoliation and promoting skin turnover.
4. Formulation Compatibility
Sodium Lactate: Sodium Lactate is often used in water-based formulations, such as lotions, creams, and shampoos.
Lactic Acid: Lactic Acid is incorporated into various skincare products, including peels, serums, and masks, where exfoliation and pH adjustment are desired.
5. Sensitivity Considerations
Sodium Lactate: Sodium Lactate is generally well-tolerated by most skin types, making it suitable for a wide range of products.
Lactic Acid: Lactic Acid may cause irritation, especially at higher concentrations. Patch testing is recommended before using products containing lactic acid.
6. Multiple Uses
Sodium Lactate: Sodium Lactate's humectant properties make it suitable for moisturizing products like lotions and creams.
Lactic Acid: Lactic Acid's exfoliating properties make it valuable for products targeting skin texture, tone, and appearance.
Choosing the Right Compound
When choosing between Sodium Lactate and Lactic Acid:
1. Desired Effect
Consider the desired outcome of your formulation. Sodium Lactate focuses on hydration, while Lactic Acid addresses exfoliation and pH adjustment.
2. Skin Type
Choose products containing these compounds based on your skin's needs and sensitivity. Patch testing can help identify individual reactions.
3. Formulation Goals
For humectant and pH regulation, Sodium Lactate may be preferred. For exfoliation and renewal, Lactic Acid could be the choice.
Both Sodium Lactate and Lactic Acid offer distinct benefits for skincare and formulation purposes, catering to different aspects of skincare and product performance.
Sodium Lactate in Soap
Sodium Lactate is a versatile ingredient often used in soapmaking to enhance the quality of soap and improve the overall soapmaking process:
1. Moisturizing Properties
Sodium Lactate is a humectant, meaning it attracts and retains moisture. In soap, it can contribute to the soap's ability to retain moisture on the skin, leaving it feeling hydrated after use.
2. Hardening Effect
When added to soap recipes, Sodium Lactate can help increase the soap's hardness, making it last longer and reducing the chances of it becoming too soft or mushy over time.
3. Lather Enhancement
Sodium Lactate can improve the lathering properties of soap, resulting in a creamier and more luxurious lather that enhances the overall cleansing experience.
4. Soapmaking Process
Sodium Lactate is typically added to the lye solution before mixing it with oils to create soap. This addition can make the soap easier to unmold and cut, reducing the likelihood of cracking or breaking during these steps.
5. Shelf Stability
Soap containing Sodium Lactate may have improved shelf stability, as the hardness and humectant properties can contribute to a longer-lasting and visually appealing soap.
While Sodium Lactate is generally considered safe for use in soap, it's important to use it within recommended guidelines to avoid over-hardening the soap or altering its characteristics excessively.
Using Sodium Lactate in Soapmaking
When incorporating Sodium Lactate into soapmaking:
1. Measure Accurately
Follow recommended usage rates for Sodium Lactate to avoid altering the soap's properties significantly.
As with any ingredient, consider starting with smaller amounts and gradually adjusting based on your soapmaking preferences and desired outcomes.
3. Soap Type
Sodium Lactate can be used in a variety of soap types, from cold process to hot process and even melt and pour, providing benefits to different formulations.
Sodium Lactate is a valuable addition to soapmaking, offering benefits such as increased hardness, enhanced lather, and moisturizing properties that improve the soap's overall quality.
Sodium Lactate in Skin Care
Sodium Lactate is a versatile ingredient found in many skin care products, prized for its moisturizing, buffering, and skin-conditioning properties. Let's explore its characteristics, benefits, and applications in skin care.
Chemical Properties and Sources
- Composition: Sodium Lactate is the sodium salt of lactic acid, with hydrating and pH-balancing properties.
- Source: It is often synthesized from renewable resources, making it an eco-friendly option in skin care formulations.
Benefits in Skin Care
- Moisturizing: Sodium Lactate helps the skin retain moisture, leading to improved hydration and suppleness.
- pH Regulation: It acts as a buffering agent, maintaining the optimal pH level of skin care products and the skin itself.
- Skin Conditioning: It promotes a softer and smoother skin texture, often used in products targeting dry or sensitive skin.
- Enhanced Absorption: It can improve the absorption of other beneficial ingredients in a skin care formulation.
Common Applications in Skin Care Products
- Face Creams and Lotions: For moisturizing and smoothing effects.
- Body Washes: To provide a luxurious feel and maintain skin balance.
- Serums: Used in targeted treatments for dry or mature skin.
- Soaps: To harden bar soap and enhance its moisturizing properties.
Considerations and Precautions
- Concentration: The amount used should be within recommended guidelines to avoid potential sensitivities.
- Skin Type: Though generally considered safe, individual skin reactions may vary. Patch testing or consultation with a skincare professional may be advisable.
- Quality: Utilizing high-quality Sodium Lactate ensures the best results and safety in skin care products.
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