Product Description

Pure Lactic Acid (CAS:50‑21‑5) is a water‑soluble alpha‑hydroxy acid obtained from natural corn glucose via microbial fermentation. It occurs as colorless viscous liquid or free‑flowing white crystalline powder.

This cosmetic ingredient gently loosens dead keratin cells and supports skin surface renewal. It features excellent water miscibility, while irritation risk needs strict dosage control in finished formulas.

It refines uneven skin texture, softens rough skin and brightens dull complexion, bringing gentle exfoliation benefits for exfoliation lotions, facial toners, moisturizing creams, peel‑off products and diverse aqueous skincare preparations.

COA

Items	Specifications	Test Results
Appearance	Colorless transparent viscous liquid	Complies
Odor	Slight characteristic sour odor	Complies
Loss on Drying	≤0.5%	0.31%
Assay	88.0-92.0%	90.45%
Heavy Metal Total	≤10mg/kg	Complies
Lead (Pb)	≤2.0mg/kg	Complies
Arsenic (As)	≤2.0mg/kg	Complies
Mercury (Hg)	≤1.0mg/kg	Complies
Microbiology
Total Plate Count	≤100cfu/g	<10cfu/g
Yeast & Moulds	≤10cfu/g	<10cfu/g
E.Coli, Pseudomonas, Staphylococcus	Negative	Negative

Functions and Effects

☆Mild keratin exfoliation & skin smoothing efficacy

Loosen dead keratin to accelerate skin turnover, refine rough texture, fade dull complexion and improve pore condition.

☆Good water miscibility & flexible formula adaptability

Fully miscible with water‑phase materials, compatible with humectants, soothing ingredients and plant extracts. Adjust pH to maintain formula stability.

☆Fermented‑source & complexion‑revitalizing performance

From microbial fermentation. Under proper dosage, it evens skin tone, delivers brightening effect for exfoliating and daily skincare products.

Application Fields

It is widely used in exfoliating toner, smoothing serum, peeling lotion, moisturizing cream, brightening mask and gentle body care products, with a recommended dosage of 0.5%-3.0%. It can be matched with panthenol, hyaluronic acid, soothing plant extracts and moisturizing agents to boost keratin renewal, soften rough skin and reduce post‑exfoliation discomfort, and optimize the overall texture of aqueous formulations. It promotes old keratin shedding on skin surface to refine uneven complexion, supports skin surface renewal and enhances the efficacy of brightening ingredients. It owns good water miscibility and stable performance in formulas with pH 3.5‑5.5.

Business Scope

0421001

Packaging And Transportation Methods

001

Certificationss

222

FAQ

Q1: What is Pure Lactic Acid and its core skincare benefits?

A1: Pure Lactic Acid is a natural alpha-hydroxy acid derived from microbial fermentation. It features mild exfoliation, keratin renewal and long-lasting moisturizing properties. It effectively refines rough skin texture, brightens dull complexion and improves uneven skin tone while maintaining gentle skin tolerance.

Q2: What is the recommended dosage and applicable formula types?

A2: The cosmetic grade recommended dosage is 0.5%-3.0%. It is widely compatible with toners, exfoliating serums, moisturizing creams, brightening masks and various water-based or emulsion skincare systems, performing stably within pH 3.5-5.5.

Q3: What ingredients can lactic acid be compounded with?

A3: It can be perfectly paired with hyaluronic acid, panthenol, allantoin and plant soothing extracts. The combination balances exfoliating efficacy and skin soothing effects, reducing irritation risk and optimizing formula texture and stability.

Q4: How to store lactic acid to guarantee shelf life?

A4: The shelf life is 24 months in sealed, cool and light-proof conditions. Please keep tightly sealed, avoid high temperature, strong sunlight and humid environment to prevent moisture absorption, discoloration and quality deterioration.

Q5: Is your lactic acid safe and cosmetic-grade compliant?

A5: Our products adopt strict fermentation, decolorization and purification processes, with low heavy metal content and low microbial count. No harmful residues, fully compliant with cosmetic raw material standards, mild and safe for daily skincare formulation.

Q6: What is your typical production lead time for bulk orders?

A6: For regular cosmetic‑grade Pure Lactic Acid, we keep sufficient raw material inventory. Normally the lead time is 7‑15 working days after deposit confirmation. For large‑volume or custom‑specification orders, we will evaluate and offer accurate scheduling according to actual production status.

Q7: What are your factory advantages?

A7:We own standardized GMP production workshops and complete purification & drying production lines. Strict batch testing and quality inspection are implemented for every batch, supporting stable batch consistency and large-scale bulk supply.

Q8: What services can your company provide?

A8: We support global bulk supply, customized specifications, free sample testing and complete product COA/MSDS documents. Professional technical team provides formula guidance and dosage matching suggestions for cosmetic manufacturers.

How To Cooperate With Us?

Our address

No. 56, Jinye 1st Road, Hi-Tech Zone, Xi'an,Shaanxi Province, China

Phone Number

18092919441

E-mail

peri@taianbio.com

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