Hydroquinone API Powder USP is the pharmaceutical-grade, pure form of hydroquinone that meets the strict quality and purity requirements set by the United States Pharmacopeia (USP). “API” means it is the Active Pharmaceutical Ingredient used to manufacture medicines and topical products—most notably, prescription and over-the-counter (OTC) skin-lightening creams.
Note: Non-Stock Item. Ships in 2 to 3 Business days. Also non-returnable
Pharmaceutical-Grade Skin Lightening Agent for Hyperpigmentation, Melasma, and Custom Dermatology Compounding
Transform your skincare and dermatology compounding capabilities with Hydroquinone API Powder USP for Compounding by Medisca—the gold standard, ultra-pure skin brightening ingredient trusted by compounding pharmacies, dermatologists, and skin care clinics worldwide. Create tailored, professional-grade formulations to effectively treat melasma, chloasma, dark spots, age spots, post-inflammatory hyperpigmentation, and uneven skin tone with Medisca’s batch-tested, pharmacy-grade hydroquinone.
What is Hydroquinone?
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Hydroquinone (also known as 1,4-benzenediol) is a topical depigmenting agent commonly used in dermatology.
- Its primary medical use is reducing hyperpigmentation (such as melasma, age spots, sun spots, freckles, and post-inflammatory pigmentation).
- It works by inhibiting melanin production in the skin, leading to a lightening effect over time.
What Does “API Powder USP” Mean?
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API (Active Pharmaceutical Ingredient): The raw, unformulated, highly pure substance used as the main active component in pharmaceutical and cosmetic preparations.
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USP (United States Pharmacopeia): Indicates full compliance with official US standards for identity, purity, strength, and safety.
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Powder form: Supplied as a white to off-white crystalline powder, ready for further formulation.
Chemical Name: 1,4-Benzenediol (Hydroquinone)
Molecular Formula: C<sub>6</sub>H<sub>6</sub>O<sub>2</sub>
CAS Number: 123-31-9
Appearance: White to off-white crystalline powder
Molecular Weight: 110.11 g/mol
Solubility: Soluble in water and alcohol
Grade: USP—suitable for use in regulated pharmaceuticals
Intended Users: Licensed manufacturers and compounding pharmacies; not for direct consumer use
API Name: Hydroquinone
Grade: USP (pharmaceutical-grade)
Form: White/off-white crystalline powder
Primary Use: Skin depigmentation (topical creams)
Supplied to: Pharmaceutical manufacturers, compound pharmacies
Not for Direct consumer use or unregulated compounding
Applications
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Skin-lightening creams and gels: Typically in strengths from 2% (OTC, in some countries) to 4% or higher (prescription).
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Compound preparations: Made by compounding or dermatology pharmacies for specific patient needs.
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Rare other uses: Sometimes used in industrial or lab settings (different grade; not for medical use).
Features & Health Benefits
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USP-Grade, High-Purity Hydroquinone Powder: Meets strict United States Pharmacopeia standards for optimal potency, purity, and clinical efficacy in every formulation.
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Powerful Melanin Inhibitor: Proven skin lightening agent that blocks excess melanin production at the cellular level for effective fading of dark spots, discoloration, and hyperpigmented patches.
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Customizable Dermatology Compounding: Perfect for creating personalized creams, gels, lotions, serums, and topical solutions in concentrations from 2% to 10% (or higher, by Rx).
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Broad Spectrum Hyperpigmentation Therapy: Essential for melasma, chloasma, sun damage, acne scars, brown spots, freckles, and other stubborn pigmentation disorders.
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Physician & Pharmacy Preferred: Used in combination therapies (e.g. hydroquinone, tretinoin, corticosteroids—triple creams), and as mono-ingredient preparations customized for every patient’s unique skin needs.
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Medisca Quality Assurance: cGMP manufacturing, batch-tested, traceable, and trusted by dermatology compounding specialists globally.
Top Dermatology & Aesthetic Applications
- Custom hydroquinone cream for melasma or hyperpigmentation
- Dermatologist-compounded fade creams and bleaching serums
- Combination formulas with tretinoin, kojic acid, retinol, or vitamin C
- Spot treatments for acne scars, freckles, and sun spots
- Prescription-strength lightening lotions for face, hands, and intimate areas
- Formulations for all skin types—women, men, Fitzpatrick I-VI
Why Choose Hydroquinone API Powder USP by Medisca?
- Pharmaceutical-grade purity and batch consistency for safe, predictable results
- Flexible dosing and formulation options for every patient’s needs
- Enables advanced, high-efficacy, and combination dermatology treatment protocols
- Preferred source for premier compounding pharmacies and leading dermatologists
- Comprehensive batch documentation and regulatory compliance for peace of mind
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Professional Compounding & Usage Information
- For Licensed Compounding Professionals Only — Not for Direct Sale to Public
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Recommended Compounded Forms: Creams, gels, serums, lotions, spot treatments, compounded facial/lightening masks, and combination formulas (eg. hydroquinone/tretinoin/corticosteroid).
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Dosing: Generally compounded between 2–10% hydroquinone, adjusted for Rx and clinical indication.
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Storage: Store sealed, in a cool, dry place, protected from light and air exposure.
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Compliance: All batches must follow USP <795>/<797> requirements, with careful labeling and record-keeping.
Possible Side Effects & Patient Counseling Points
Common:
- Mild burning, itching, redness, or dryness at application site
- Initial irritation or sensitivity, especially on sensitive areas
Rare/Serious:
- Blue-black darkening (ochronosis) with improper or long-term use
- Allergic reaction (rash, swelling, trouble breathing)
- Skin thinning or increased photosensitivity (always advise sunscreen use)
Caution: For short-term, physician-directed use only. Not suitable for use during pregnancy or breastfeeding. Avoid contact with eyes, lips, and mucous membranes.
Precautions
- Professional and Prescription Compounding Use Only
- Not for direct consumer or OTC sale
- Regular skin checks and monitoring by healthcare provider recommended
- Prolonged use not recommended—limit duration per clinical guidelines
- Advise patients on proper use, patch testing, and sun protection
Handling and Safety
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API powder requires careful handling—it can oxidize and darken upon exposure to air and light.
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Stability: Should be stored in tightly closed containers, protected from light and moisture.
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Safety: Overuse or misuse can cause skin irritation, ochronosis (blue-black pigmentation), or other adverse effects. Formulation and dosing must be overseen by professionals.
Elevate your pharmacy’s dermatology and skin lightening offerings with Hydroquinone API Powder USP For Compounding by Medisca—the industry’s preferred professional solution for custom, effective, and safe hyperpigmentation, melasma, and skin discoloration therapies.
