Soltellus™ 2501L

Soltellus™ 2501L is an anionic, biodegradable polymer with versatile applications. It offers a blend of benefits for surfactant, haircare, skincare, and emulsion formulations. Featuring chelating, film-forming, and hydrating properties, it enhances user experience, appearance, and skin feel. This multifunctional polymer performs effectively in various water conditions, improving wet combing, hydration, and shine, thus presenting a promising option for diverse cosmetic formulations.

Brand: Soltellus (5 products)

INCI Name: Sodium Polyaspartate

Labeling Claims: Antioxidants-free, Biodegradable, Preservative-free, Solvent-free

Benefit Claims: Cleansing, Conditioning, Film Forming, Frizz Control, Good Wet Combing, Hair Softening, Hydrating, Improved Texture, Lubricating, Non-Greasy Feel, Outstanding Skin feel, Prevents Hair Breakage, Silky Feel, Smooth Feel, Smoothing

Synonyms: Aspartic Acid, Homopolymer, Sodium Salt, DL -Aspartic Acid, Homopolymer, Sodium Salt

Technical Data SheetSafety Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Features & Benefits

Benefit Claims
Labeling Claims
Surfactants Consumer Benefits
  • Enhances the cleansing performance of soaps
  • Improves the feel of skin
  • Creates a richer, creamier lather
  • Reduces friction, allowing for smoother application
  • Performs in hard water conditions
Surfactants Performance Benefits
  • Superior Cleansing Action: Soltellus™ 2501L ensures a deeper more thorough removal of dirt, oil, and impurities with the formation of smaller, stable micelles.
  • Luxurious User Experience: Its use in formulations results in a rich, creamy foam and lather that is easy to spread, elevating the routine into a satisfying cleansing experience.
  • Enhanced After-feel: After use, it culminates in a smooth, powdery after-feel, reducing the potential for a drying or stripping sensation and enhancing the post-cleansing experience.
  • Versatile and Effective Formulation: Designed for seamless integration, Soltellus™ 2501L boosts the efficacy and experience of various formulations without compromise.
Surfactants Chelating Properties

Chelating properties offer protection from Harsh Minerals: 

  • Soltellus™ 2501L binds to minerals that hard water deposits which can deactivate surfactants, reducing their cleansing effectiveness and leading to soap scum formation.
  • It effectively prevents their adherence and accumulation, improving cleansing effectiveness and ensuring consistent performance across all water conditions.
Skin Care Benefits
  • Enhances the cleansing performance of soaps
  • Improves the feel of skin
  • Allows for smootherapplication
  • Co-surfactant
Sustainable Benefits
  • Biodegradable
  • Performs in cold water
  • Minimize microplastics
  • Suitable for cold manufacturing process
  • Effective at low use level
  • Mitigates environmental accumulation
Hair Care Consumer Benefits
  • Reduces friction, improving wet combing with minimal breakage
  • Leaves hair feeling softer and smoother to the touch
  • Contributes to a natural, luminous shine
  • Keeps hair hydrated
  • Performs in hard water conditions
Hair Care Performance Benefits
  • Enhanced Softness and Smoothness: Mild conditioning properties enhance softness and smoothness, ensuring hair remains hydrated.
  • Reduced Friction And Frizz: A protective film smoothes the cuticle and decreases strand friction, resulting in effortless wet combing, minimized breakage, and a noticeable reduction in frizz.
  • No Residue, Featherlight Feel: Superior rinse-off characteristics ensure no heavy buildup, preserving hair’s natural, lightweight essence.
  • Illuminated Natural Shine: Improves hair texture and optimizes light reflection, casting a radiant shine and revealing a healthier, more naturally luminous appearance.
Hair Care Chelating Properties

Chelating properties protect Keratin from Mineral Buildup: 

  • Soltellus™ 2501L shields hair from the harsh minerals of hard water and styling products that can contribute to weakened hair and dullness.
  • Soltellus™ 2501L prevents these potential deposits from latching onto the hair shaft, thereby preserving the integrity of keratin - the essential protein that keeps hair strong and healthy.
  • Furthermore, Soltellus™ 2501L rejuvenates hair, restoring its natural luster and ensuring each strand glides effortlessly for ultimate manageability.
Emulsions Consumer Benefits
  • Improves the feel of skin
  • Reduces friction, allowing for smoother application
  • Hydrates skin
Emulsions Performance Benefits
  • Consistent, Effective Formulations: Soltellus helps ensure emulsion-based products remain uniform and effective over time, preventing the separation of oil and water components.
  • Superior Skincare Integrity: Helping to stabilize emulsions, Soltellus is crucial for maintaining the quality and performance of skincare and beauty products over time.
  • Enhanced Skin Hydration: Acting as a humectant, Soltellus boosts skin moisture and locks it in with a breathable film for enduring softness.
  • Luxurious Application Experience: Soltellus reduces tackiness and improves spreadability for a smooth, luxurious application and after-feel, leaving skin silky and non- greasy.

Applications & Uses

Properties

Physical Form
Appearance
Amber liquid
Soluble in
Water
Physico-Chemical Properties
ValueUnitsTest Method / Conditions
Active Contentmin. 35%-
pH (40% solution)8.0 - 11.0--
Viscosity20 - 60cPs-
Melting Point-20 to -10°C
Relative Density1.24 - 1.28--

Regulatory & Compliance

Chemical Inventories

Technical Details & Test Data

Surfactants Sensory Comparison

Sensory Comparison of Foaming Hand Soap Containing Soltellus™ 2501L vs Control:

Soltellus™ 2501L - Surfactants Sensory Comparison - 1

Hair Care Performance Data

Soltellus™ 2501L - Hair Care Performance Data - 1

  • Left image: After washing and applying leave-in serum, the left hair tress showed significantly enhanced wet combability and smoothness compared to its counterpart, which was harder to comb.
  • Right image: Following washing, leave-in serum application, combing, and blow- drying, there was a noticeable ΔL (CIELAB) increase in shine in the left hair tress, discernible by most observers.

Comparison of Hair Serum with Soltellus™ 2501L vs Control:

Soltellus™ 2501L - Hair Care Performance Data - 1

  • Wet comb: Hair tresses were washed before hair serum was applied and wet combed.
  • Dry comb, softness, and shine: Hair tresses were washed before hair serum was applied, then blown dry and combed.
Emulsions Sensory Comparison

Sensory Comparison of Emulsion Containing Soltellus™ 2501L vs Control:

Soltellus™ 2501L - Emulsions Performance Benefits - 1

  • A simple emulsion formulation containing 1.25% Soltellus™ 2501L was evaluated for its sensorial profile in comparison to the control emulsion formulation.
  • An expert panel conducted an evaluation, and the responses were tabulated and compiled in the spider chart.

Storage & Handling

Storage Information
  • Store in a closed container in a cool dry area.
  • Keep away from direct light.
  • Stable at 90°C for extended periods