

FAQ (Frequently Asked Questions)
1. What is NANOSHIELD MPS?
NANOSHIELD MPS is a high-purity, water-soluble preservative derived from Sodium Methyl Paraben, designed for use in personal care and cosmetic formulations. Known for its antimicrobial efficacy and broad-spectrum protection, it helps prevent the growth of bacteria, yeast, and mold, ensuring the safety and shelf life of products without compromising skin compatibility.
2. What is the CAS Number and INCI Name of NANOSHIELD MPS?
CAS Number: 5026-62-0
INCI Name: Sodium Methylparaben
3. What are the benefits of using NANOSHIELD MPS in personal care products?
Broad-Spectrum Antimicrobial Activity: Effectively protects formulations from bacteria, mold, and yeast.
Water-Soluble: Easily blends into aqueous formulations.
Safe for Skin: Non-irritating at recommended usage levels.
Preserves Product Integrity: Maintains product quality during shelf life.
Stable Under pH 4–8: Compatible with a wide range of formulation types.
4. What are the common applications of NANOSHIELD MPS in personal care?
Cleansers and Toners: Ensures microbial stability in water-based formulas.
Shampoos and Conditioners: Offers effective preservation in rinse-off applications.
Creams and Lotions: Maintains freshness and safety in emulsions.
Wet Wipes and Serums: Ideal for formulations with high water content.
Color Cosmetics: Used in water-based makeup to prevent contamination.
5. Is NANOSHIELD MPS safe for use in personal care products?
Yes, NANOSHIELD MPS is considered safe when used within regulatory limits. It has been evaluated by global safety panels such as the Cosmetic Ingredient Review (CIR) and EU Scientific Committee on Consumer Safety (SCCS) and is non-sensitizing and non-irritating at typical use levels (up to 0.4%).
6. Can NANOSHIELD MPS cause skin sensitivity or allergic reactions?
NANOSHIELD MPS is generally well-tolerated, but as with any preservative, some individuals with sensitive skin may experience mild irritation. It is recommended to perform patch testing for products intended for sensitive skin types or leave-on applications.