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Cosmetic Sodium Hydroxide | Hair Product Grade Base

Cosmetic Sodium Hydroxide | Hair Product Grade Base

Product Attributes :

High-purity sodium hydroxide in hair products is essential for precise pH neutralization and chemical hair straightening formulations. As a specialized chemical manufacturer, we supply cosmetic-grade sodium hydroxide (lye) engineered specifically for hair care manufacturers, cosmetic chemists, and personal care brands.

Produced under stringent quality controls, our cosmetic-grade $\text{NaOH}$ provides ultra-low iron and heavy metal content to prevent discoloration, instability, or irritation in delicate hair care formulations. It serves as the primary active ingredient in professional lye hair relaxers—effectively breaking and rearranging hair disulfide bonds to transform curly patterns into smooth, straight textures. Beyond relaxers, it functions as an essential, high-efficiency pH adjuster in shampoos, conditioning treatments, hair dyes, and styling gels to maintain optimal product stability.

We offer moisture-proof, hermetically sealed 25kg PE-lined bags and bulk containers that prevent air hydration and caking during sea shipment. Backed by full safety data (MSDS/SDS) and batch Certificates of Analysis (COA), our team supports your formulation needs with direct factory pricing and technical reliability. Contact us today for samples and bulk quotes.

Product Description

Technical Specifications (COA)

Specification Parameter	Standard Requirement	Typical Batch Result
Purity ( $\text{NaOH}$ )	≥99.0%	99.5%
Sodium Carbonate ( $\text{Na}_2\text{CO}_3$ )	≤0.4%	0.21%
Iron ( $\text{Fe}$ )	≤5 ppm	2 ppm
Heavy Metals ( $\text{as Pb}$ )	≤5 ppm	< 1 ppm
Arsenic ( $\text{As}$ )	≤1 ppm	Pass
Appearance	Bright White Micro-Pearls	Pass

Core Formulation Advantages

High-Precision pH Control: Provides accurate, predictable alkalinity adjustment for personal care formulations including hair shampoos, conditioners, styling gels, and serums. It enables formulators to lock in target pH levels reliably, ensuring long-term formula viscosity, emulsion stability, and gentle scalp compatibility.
Ultra-Low Impurities & Trace Metals: Produced to stringent cosmetic standards to minimize trace inorganic contaminants—specifically iron ( $\text{Fe}$ ), nickel ( $\text{Ni}$ ), and copper ( $\text{Cu}$ ). Keeping heavy metal impurities near zero protects sensitive botanical extracts, active organic conditioning agents, and delicate fragrance compounds from premature oxidation, rancidity, or color shift.
Rapid & Clear Dissolution Profile: Engineered in high-purity micro-pearl and thin flake forms that dissolve rapidly and completely in deionized water. The formulation leaves no cloudy residues, insoluble precipitates, or gritty sediment, preserving crystal-clear product clarity in premium liquid shampoos and transparent styling gels.
Consistent Batch-to-Batch Strength: Guaranteed high-assay purity ensures reproducible stoichiometric performance across every production run. In delicate hair relaxer chemistry, this strict consistency prevents unpredictable active alkaline spikes, reducing the risk of chemical scalp burns or uneven hair straightening.
Gentle Buffer Integration: Blends seamlessly into complex cosmetic carrier systems, working effectively with natural surfactants, thickeners, and conditioning polymers without causing formula separation, polymer breakdown, or unexpected texture thinning.

Key Applications in Hair Care & Cosmetics

Professional Lye Hair Relaxers: Operates as the core active alkaline base in traditional professional lye relaxer formulations. It systematically breaks down keratin disulfide bonds within the hair shaft, allowing tightly coiled or afro-textured hair to be safely, permanently straightened and restructured.
Shampoo, Conditioner & Serum pH Buffering: Deployed in precise micro-doses by cosmetic chemists to raise and fine-tune the final pH of hair products. Proper pH adjustment closes the hair cuticle, enhances natural shine, reduces frizz, and optimizes the performance of cationic conditioning agents.
Permanent Hair Dyes & Colorant Formulations: Functions as a key alkaline swelling agent in permanent hair color systems. By elevating the pH of the dye mixture, it opens the outer cuticle layer of the hair fiber, allowing synthetic color pigments and oxidative precursors to penetrate deep into the hair cortex for long-lasting color payoff.
Natural Liquid Soap & Clarifying Cleanser Base: Acts as the primary saponification reagent for converting natural plant oils (such as coconut, olive, and argan oils) into gentle, natural liquid shampoo bases, clarifying scalp cleansers, and body washes with rich, dense lathering characteristics.
Cuticle Softeners & Chemical Exfoliating Formulations: Utilized in specialized cosmetic treatments to soften hard keratinized tissue, including professional cuticle removers, callus-softening foot sprays, and clarifying scalp treatments.
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