Sodium Lauroyl Methyl Isethionate (SLMI) is an anionic surfactant used in personal care and cleansing systems. It is used as a functional surfactant in facial cleansers, shampoos, body cleansing products and solid cleansing systems.
Sodium Lauroyl Methyl Isethionate is particularly relevant to cleansing formulations that require an anionic surfactant with good foaming characteristics and a solid raw material form. Its application extends across both solid and liquid cleansing systems, making SLMI a versatile ingredient for personal care manufacturers.
What Is Sodium Lauroyl Methyl Isethionate?
Sodium Lauroyl Methyl Isethionate is an anionic surfactant used primarily in cleansing applications. It is identified by the INCI name Sodium Lauroyl Methyl Isethionate and CAS No. 928663-45-0.
The molecule contains a fatty acyl portion and an isethionate-derived hydrophilic portion. This amphiphilic structure gives Sodium Lauroyl Methyl Isethionate its surface-active properties, allowing it to function at interfaces between water and oily or particulate materials in cleansing systems.
SLMI is commonly supplied as a white to light yellow powder or granular solid. The physical form makes it suitable for use as a solid surfactant raw material as well as for incorporation into cleansing systems that are subsequently processed into different product formats.
It is important to distinguish Sodium Lauroyl Methyl Isethionate from Sodium Lauroyl Isethionate. Although their names are similar, they are different chemical ingredients and should be identified separately according to their respective CAS numbers and technical specifications.
How Sodium Lauroyl Methyl Isethionate Functions as a Surfactant
The functional behavior of Sodium Lauroyl Methyl Isethionate is related to its amphiphilic molecular structure.
A surfactant contains portions of the molecule with different affinities toward water and non-polar materials. In an aqueous cleansing system, this allows the surfactant to participate in interfacial processes and assist with the dispersion and removal of substances during washing.
As an anionic surfactant, Sodium Lauroyl Methyl Isethionate can contribute several important functions to cleansing systems.
1. Cleansing Function
Sodium Lauroyl Methyl Isethionate functions as a cleansing surfactant by helping disperse oily materials and other substances during washing. This makes it relevant to a range of wash-off personal care products, including facial cleansers, shampoos and body cleansing products.
2. Foam Formation
SLMI is also used for its foaming characteristics. The surfactant can contribute to the formation of foam when incorporated into an aqueous cleansing system. Foam performance is an important functional characteristic in many personal care cleansing products, particularly products designed for facial, body and hair cleansing.
3. Surfactant Compatibility
Sodium Lauroyl Methyl Isethionate can be incorporated into cleansing systems containing other surfactants and functional ingredients. This allows manufacturers to use SLMI in different surfactant systems rather than limiting the ingredient to a single finished-product category.
Sodium Lauroyl Methyl Isethionate Applications
Sodium Lauroyl Methyl Isethionate is primarily used in personal care and cleansing applications. Its applications are associated with its surfactant function, foaming characteristics and solid raw material form.
1. Facial and Body Cleansers
Sodium Lauroyl Methyl Isethionate is used in facial cleansers, body washes, shower products and other wash-off cleansing systems. In these applications, SLMI functions as an anionic surfactant and contributes to cleansing and foam formation. It can be incorporated into different cleansing formats depending on the overall composition and manufacturing process.
2. Shampoos and Hair Cleansing Products
Sodium Lauroyl Methyl Isethionate is used in shampoo and hair cleansing systems as an anionic surfactant.
In shampoo applications, the ingredient contributes to the cleansing and foaming properties of the surfactant system. It can be used together with other surfactants to develop cleansing systems with different foam profiles and sensory characteristics.
The role of SLMI in shampoo is therefore primarily associated with its function as a cleansing surfactant rather than with a standalone conditioning function.
The final performance of a shampoo depends on the complete composition, surfactant system, processing conditions and other formulation variables.
3. Syndet Bars and Solid Cleansing Systems
SLMI is well suited to applications involving solid cleansing formats because it is supplied as a solid raw material.
Syndet bars and other solid cleansing products use surfactants as their primary cleansing components. Sodium Lauroyl Methyl Isethionate can serve this role while also contributing to the foaming characteristics of the finished product.
Its use in solid cleansing systems makes SLMI relevant to manufacturers producing cleansing bars, solid facial cleansers and other wash-off products in solid formats.
4. Sodium Lauroyl Methyl Isethionate and Sulfate-Free Cleansing Systems
Sodium Lauroyl Methyl Isethionate is an anionic surfactant, but it is not a sulfate surfactant.
This distinction is relevant because surfactant systems can be categorized according to different chemical structures. SLMI belongs to the isethionate class of surfactants rather than the sulfate class.
As a result, Sodium Lauroyl Methyl Isethionate can be incorporated into cleansing systems designed around non-sulfate surfactant combinations.
The actual characteristics of a finished cleansing product depend on the complete surfactant system and formulation rather than on SLMI alone.
Sodium Lauroyl Methyl Isethionate vs. Sodium Lauroyl Isethionate
Sodium Lauroyl Methyl Isethionate and Sodium Lauroyl Isethionate have similar names but represent different chemical ingredients.
For accurate raw material identification, they should not be treated as interchangeable products.
| Property | Sodium Lauroyl Methyl Isethionate | Sodium Lauroyl Isethionate |
|---|---|---|
| INCI Name | Sodium Lauroyl Methyl Isethionate | Sodium Lauroyl Isethionate |
| CAS No. | 928663-45-0 | 7381-01-3 |
| Ingredient Class | Anionic surfactant | Anionic surfactant |
| Common Abbreviation | SLMI | — |
| Chemical Identity | Distinct ingredient | Distinct ingredient |
Sodium Lauroyl Methyl Isethionate from Natural Micron Pharm
Natural Micron Pharm supplies Sodium Lauroyl Methyl Isethionate (SLMI), CAS 928663-45-0, as a B2B personal care raw material for manufacturers, distributors, importers and ingredient companies.
The material is supplied as a white to light yellow powder or granular solid and is available for applications including facial and body cleansing products, shampoos, hair cleansing systems and solid cleansing products.
For customers evaluating Sodium Lauroyl Methyl Isethionate, Natural Micron Pharm can provide product information and technical documentation to support material evaluation and commercial sourcing.
You can contact our team to request:
- Sodium Lauroyl Methyl Isethionate samples
- Product specifications
- COA
- SDS/MSDS
- Technical data
- Packaging information
- Bulk quotation
If you are looking for Sodium Lauroyl Methyl Isethionate CAS 928663-45-0 for commercial manufacturing or distribution, contact Natural Micron Pharm for samples, specifications and a quotation.
FAQ
Q1. What is Sodium Lauroyl Methyl Isethionate?
Sodium Lauroyl Methyl Isethionate, commonly abbreviated as SLMI, is an anionic surfactant used primarily in personal care and cleansing systems.
Q2. What is Sodium Lauroyl Methyl Isethionate used for?
Sodium Lauroyl Methyl Isethionate is used as a surfactant in facial cleansers, body washes, shampoos, hair cleansing products, syndet bars and other cleansing systems.
Q3. Is Sodium Lauroyl Methyl Isethionate the same as Sodium Lauroyl Isethionate?
No. They are different chemical ingredients with different chemical identities and CAS numbers. Sodium Lauroyl Methyl Isethionate is identified by CAS No. 928663-45-0, while Sodium Lauroyl Isethionate is identified by CAS No. 7381-01-3.
Q4. Can Natural Micron Pharm supply Sodium Lauroyl Methyl Isethionate?
Yes. Natural Micron Pharm supplies Sodium Lauroyl Methyl Isethionate as a B2B raw material and can provide samples, specifications, technical documentation and commercial quotations.
