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๐Ÿงช Lactic Acid

Lactic Acid (AHA) | INCI: Lactic Acid | CAS: 50-21-5

INCI Information

INCI Name
Lactic Acid
Common Name
Lactic Acid (AHA)
CAS Number
50-21-5
Category
AHA / pH Adjuster
Molecular Formula
Cโ‚ƒHโ‚†Oโ‚ƒ
Molecular Weight
90.08 g/mol
Appearance
Clear, colorless to pale yellow, viscous liquid
Solubility
Miscible with water and alcohols
Typical Concentration
1% โ€“ 10% (max 15% for professional)
pH Range
Strongly acidic (1% solution pH ~2.4)
Functions:
Exfoliant (AHA)pH adjusterMoisturizing
Available Purity Grades:
  • 80% (Liquid)
  • 88% (Food grade)
  • 99% (USP/Pharma)

๐Ÿ’ฐ Indicative Price Range (Bulk)

Typical B2B pricing across verified suppliers
$3 โ€“ $12 $/kg
Prices vary by purity, MOQ, and order volume. Always request formal quotes.

๐Ÿญ Verified Supplier Comparison

All suppliers are Alibaba Verified Gold or Verified members with 3+ years of operation.

Supplier Purity MOQ Price Range Rating Status Years Action
Shandong Baisheng Biotechnology 88% 1kg $4 โ€“ $8 โญ 4.7 Verified Gold 5yr View on Alibaba โ†’
Jiangsu Gaduo Biotechnology 80% 25kg $3 โ€“ $6 โญ 4.8 Verified Gold 7yr View on Alibaba โ†’
Hangzhou Hyper Chemicals 88% 200kg $3 โ€“ $5.5 โญ 4.6 Verified 4yr View on Alibaba โ†’
Guangzhou Tianci Materials 80% 1kg $5 โ€“ $10 โญ 4.5 Verified 3yr View on Alibaba โ†’
Zhejiang Jiaerke Pharmaceutical 88% 25kg $3.5 โ€“ $7 โญ 4.7 Verified Gold 6yr View on Alibaba โ†’
Sichuan Dekang Chemical 80% 1kg $4 โ€“ $9 โญ 4.4 Verified 3yr View on Alibaba โ†’
Hubei Yuancheng Saichuang 88% 25kg $3 โ€“ $6.5 โญ 4.6 Verified Gold 5yr View on Alibaba โ†’
Ningxia Unisplendour Baofeng 99% 200kg $2.5 โ€“ $5 โญ 4.8 Verified Gold 10yr View on Alibaba โ†’
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๐Ÿ“– About Lactic Acid

Lactic Acid is the gentlest AHA (Alpha Hydroxy Acid), naturally produced by the body during exercise. It exfoliates dead skin cells, brightens complexion, and helps the skin retain moisture.

๐Ÿ›’ Purchasing Guide & Tips

โ“ Frequently Asked Questions

โ“ Is Lactic Acid natural?

Yes, it occurs naturally in the body and in fermented foods. Commercial production is via bacterial fermentation.

โ“ How is it different from Glycolic Acid?

Lactic has a larger molecule, penetrates more slowly, and is generally gentler. Glycolic is more potent but more irritating.

โ“ Can I use it every day?

At low concentrations (1-3%), yes. At higher concentrations, limit to 2-3x per week.

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