• Non-nano, uncoated mineral powder
• Broad-spectrum physical UV filter (UVA & UVB)
• Anti-inflammatory and soothing properties
• Widely used in sunscreens, baby products, and acne care
• Excellent for oily, sensitive, or irritated skin types

Zinc Oxide Powder – Natural UV Filter & Skin Soother for Cosmetics

Zinc Oxide Powder is a multifunctional white mineral used in a wide variety of cosmetic and pharmaceutical formulations. Known for its physical UV-blocking properties, it reflects both UVA and UVB rays, making it essential in natural sunscreens. Additionally, it has excellent soothing, anti-inflammatory, and antibacterial properties—perfect for diaper creams, acne formulations, and irritated skin treatments. At Bio Shop™, we offer high-quality, non-nano, uncoated Zinc Oxide suitable for DIY and professional use.

INCI Name: Zinc Oxide

CAS Number: 1314-13-2

Solubility: Insoluble in water; dispersible in oils with proper techniques

Add Phase: Disperse during the cool-down phase using a high-shear mixer

pH Stability: Stable across wide pH ranges

Processing Temperature: < 80°C

Appearance: Fine white powder

Odor: Odorless

Molecular Formula: ZnO

Molecular Weight: 81.38 g/mol

Flash Point: Non-flammable

Density: ~5.61 g/cm³

Chemical Type: Inorganic mineral

Functional Groups: Metal oxide

Primary Cosmetic Uses: Sunscreens, barrier creams, baby rash creams, acne skincare

• Usage Rate: 1% – 25% depending on application
• Recommended Applications: Sunscreens, baby lotions, calming balms, mineral foundations
• Storage: Keep tightly closed in a cool, dry place

Zinc Oxide is best used with dispersing agents or pre-blended into an oil phase to avoid clumping. Combine with Titanium Dioxide for enhanced SPF protection in sunscreens.

✔️ Oily

✔️ Sensitive

✔️ Acne-prone

✔️ Normal

❌ Not ideal for very dry skin in high concentrations without emollients

1. SPF Mineral Sunscreen:

20% Zinc Oxide

30% Emollients (e.g., Caprylic/Capric Triglyceride)

45% Water Phase

3% Emulsifier

1% Preservative

1% Fragrance (optional)

2. Diaper Rash Cream:

15% Zinc Oxide

20% Shea Butter

40% Aloe Vera Gel

1% Vitamin E

1% Preservative

Serums☆☆☆☆☆ – Not Applicable🟥⬜⬜⬜⬜

Creams & Lotions⭐⭐⭐⭐☆ – Good🟩🟩🟩🟩⬜

Toners☆☆☆☆☆ – Not Applicable🟥⬜⬜⬜⬜

Face Masks⭐⭐⭐⭐⭐ – Excellent🟩🟩🟩🟩🟩

Cleansers⭐⭐⭐☆☆ – Reasonable🟨🟨🟨⬜⬜

Hair Masks☆☆☆☆☆ – Not Suitable🟥⬜⬜⬜⬜

Deodorants⭐☆☆☆☆ – Low Performance🟧⬜⬜⬜⬜

Eye Creams⭐☆☆☆☆ – Fair🟧⬜⬜⬜⬜

Shampoos☆☆☆☆☆ – Not Applicable🟥⬜⬜⬜⬜

Soaps⭐⭐⭐⭐☆ – Good🟩🟩🟩🟩⬜

Conditioners☆☆☆☆☆ – Not Suitable🟥⬜⬜⬜⬜

Lip Balms⭐⭐⭐⭐⭐ – Excellent🟩🟩🟩🟩🟩

Body Butters⭐⭐⭐☆☆ – Reasonable🟨🟨🟨⬜⬜

Ointments⭐⭐⭐⭐⭐ – Excellent🟩🟩🟩🟩🟩

Q1: Is Zinc Oxide safe for daily use?

Yes, especially in non-nano form. It is widely used in baby products and sensitive skin formulations.

Q2: Does it leave a white cast?

Yes, especially in high percentages or without micronization. Use pigments or tinted bases to reduce cast.

Q3: Is this nano or non-nano?

Bio Shop™ offers non-nano, uncoated Zinc Oxide only.