What is Zinc Oxide Used for in Pharmaceuticals? A Complete Guide

Kapil Radadiya
Written by Kapil Radadiya
What is Zinc Oxide Used for in Pharmaceuticals? A Complete Guide

Zinc Oxide (ZnO) is a white, odorless powder widely used in the pharmaceutical industry for its anti-inflammatory, antibacterial, and healing properties. Whether in a baby rash cream or an antiseptic paste, this mineral-based compound plays a vital role in a range of medicinal formulations.

In this blog, we’ll explore what Zinc Oxide is used for in pharma, its benefits, applications, and why pharma-grade ZnO must meet IP/BP/USP standards to ensure safety, efficacy, and compliance.

What is Zinc Oxide?

Zinc Oxide is an inorganic compound (chemical formula: ZnO) that’s insoluble in water and widely known for its non-toxic, skin-safe properties. It is manufactured via two primary methods:

  • French Process (Indirect): High-purity ZnO for pharma & cosmetics
  • American Process (Direct): Lower-grade ZnO for industrial use

Only GMP-certified Zinc Oxide manufactured under clean, controlled conditions is acceptable for regulated pharmaceutical applications.

Pharmaceutical Applications of Zinc Oxide

1. Topical Creams & Ointments

Zinc Oxide is best known for its use in:

  • Diaper rash creams
  • Antiseptic ointments
  • Anti-acne creams
  • Eczema and dermatitis treatments
  • Burn and wound healing ointments

Its astringent and barrier-forming properties protect the skin from irritation, promote healing, and prevent microbial infections.

2. Oral Formulations

Zinc is an essential trace mineral, and in some regions, Zinc Oxide is used in oral pharmaceutical preparations:

  • Dietary supplements for zinc deficiency
  • Immune system support formulations
  • Zinc-fortified syrups and tablets (in controlled dosage)

3. Dental Products

Zinc Oxide is also used in:

  • Temporary dental cements
  • Toothpaste formulations
  • Antibacterial mouth pastes

When mixed with eugenol, ZnO forms a paste with excellent sealing and antibacterial properties used in dental procedures.

4. Wound Dressings & Powders

Pharma-grade ZnO is incorporated into:

  • Medicated bandages and dressings
  • Anti-fungal powders
  • Post-surgical healing products

It helps reduce irritation, absorb moisture, and acts as a mild antiseptic.

Regulatory Grades for Pharmaceutical Use

To be used safely in pharmaceuticals, Zinc Oxide must comply with:

  • IP (Indian Pharmacopoeia)
  • BP (British Pharmacopoeia)
  • USP (United States Pharmacopeia)

These standards regulate:

  • Purity (typically ≥99%)
  • Heavy metal limits (Lead, Arsenic, Mercury)
  • Particle size
  • Loss on drying
  • pH level and solubility

Key Benefits of Zinc Oxide in Pharma

BenefitPharmaceutical Impact
Anti-inflammatoryReduces redness and irritation in creams
AntimicrobialHelps prevent infections in wounds or rashes
AstringentTightens skin and shrinks tissue
Moisture BarrierProtects skin from external irritants
Healing SupportAccelerates recovery of minor cuts and abrasions

Global Compliance & Safety

For international supply, Zinc Oxide used in pharmaceuticals must come with:

  • GMP Certificate
  • COA (Certificate of Analysis)
  • MSDS (Material Safety Data Sheet)
  • Non-GMO and Allergen-Free Declarations
  • ISO 9001:2015 Certification

Suppliers like Chemignition Laboratory provide all regulatory support and export-ready documentation for pharma clients worldwide.

Why Choose Chemignition’s Pharma-Grade Zinc Oxide?

Chemignition Laboratory is a GMP-certified Zinc Oxide manufacturer and exporter, delivering IP/BP/USP grade ZnO to pharmaceutical firms globally.

FeaturesDetails
High Purity ZnO (≥99%)Safe for topical and oral formulations
Regulatory Grade (IP/BP/USP)Acceptable in regulated markets
Batch COA, MSDS, and TDS ProvidedFull traceability and compliance
Custom Mesh SizesMicronized or standard for creams & powders
Export Documentation SupportCustoms-ready, including certificates of origin

Packaging Options

Pack TypeWeight OptionsUsage
HDPE Drums25 kg / 50 kgBulk pharma and topical use
Polybags1–5 kgR&D and formulation labs
OEM LabelingCustomWhite-label pharma brands

Get in Touch

Need a reliable pharma-grade Zinc Oxide supplier?

  • Request a sample
  • Share your documentation needs
  • Ask for pricing and lead time

🌐 Website: www.chemignition.com

FAQs

Can Zinc Oxide be ingested?

Only pharmaceutical-grade ZnO in carefully regulated doses is used in oral supplements. Always consult regulatory guidelines.

Is your ZnO compliant with IP/BP/USP?

Yes. Chemignition offers all three grades with full documentation.

What is the minimum order quantity?

MOQ is usually 25 kg, though smaller batches for testing are available.

What is the shelf life of Zinc Oxide?

Typically 36 months, stored in a sealed container in a cool, dry place.

Do you support international documentation?

Yes. We offer COA, GMP, ISO certificates, MSDS, and origin documentation.