Magnesium Hydroxide Powder

• INCI Name: Magnesium Hydroxide
• Cas Number: 1309-42-8
• Form: Ultra-fine white powder
• Origin: Japan
• Purity: High cosmetic-grade, no additives
• pH: Approximately 10 (gentler than baking soda)
• Particle Size: 4um
• Usage Rate: 10–20% in deodorants; 2–5% in creams
• Shelf Life: Indefinite when stored sealed and dry
• Features: Excellent odour absorption, pH buffering, gentle on skin

• Long-Lasting Odour Control: Neutralises bacteria without blocking pores – all-day protection.
• Gentler Than Baking Soda: Higher pH yet milder on skin – reduces rash risk for sensitive users.
• pH Balancing: Supports skin-friendly formulations in creams and soaps.
• Soothing Comfort: Calms irritation in deodorants, baby care, and post-shave products.
• Versatile Mineral: Enhances toothpaste, baths, and foot powders for wellness.
• Stable Performance: Humidity-resistant when stored properly for Australian climates.

• General Handling: Store sealed in a cool, dry place; airtight in humid areas.
• Skin Contact: Gentle and hypoallergenic; patch test for sensitivity.
• Ingestion: Not for consumption.
• Allergies: Rare; mineral-based – test if concerned.
• Eyes: Avoid dust; rinse with water.
• Environmental: Biodegradable.
• First Aid: Rinse skin/eyes with water; seek advice if needed.

Is magnesium hydroxide safe for sensitive skin?
Yes – milder than baking soda; ideal for rash-prone deodorant users.

How does it differ from baking soda?
Higher pH (~10) but gentler – neutralises odour without irritation.

What's the usage rate in deodorants?
10-20% for effective, all-day protection.

Can it be used in creams or toothpaste?
Yes – 2-5% in creams for soothing; 5-10% in toothpaste for gentle whitening.

Is it suitable for baby products?
Yes – hypoallergenic and non-irritating when formulated properly.

How to incorporate in formulations?
Disperse in oil phase or add post-emulsion; stable in most pH.

How to store in humid climates?
Sealed airtight jar in cool spot – prevents clumping.

Any odour or texture impact?
Neutral – won't interfere with scents or feel.