• INCI Name: Stearic Acid
• Form: Fine white powder/flakes
• Source: 100% vegetable (plant-derived)
• Melting Point: 69-70°C
• Purity: High cosmetic-grade – no additives
• CAS Number: 57-11-4
• Shelf Life: Long when stored cool, dry, and sealed
• Grade: Cosmetic-safe (external use)

• Soap Hardener: Increases bar firmness and longevity – ideal for cold/hot process.
• Creamy Thickener: Boosts viscosity and luxurious feel in lotions, butters, and balms.
• Emulsion Stability: Enhances structure in creams and emulsified scrubs.
• Candle Improvement: Hardens wax for better burn and reduced tunnelling.
• Gentle & Versatile: Non-irritating for skincare; works with natural ingredients.
• Clean Performance: Neutral odour/colour – complements fragrances and pigments.

• General Handling: Store sealed in a cool, dry place away from moisture/light.
• Skin Contact: Gentle; wear gloves to avoid dust irritation.
• Inhalation: Use mask for bulk handling – avoid breathing powder.
• Eyes: Irritant – rinse thoroughly with water.
• Ingestion: Not for consumption.
• Allergies: Rare; test if concerned.
• First Aid: Rinse skin/eyes with water; seek advice if irritation persists.

Is stearic acid safe for skincare?
Yes – cosmetic-grade, gentle thickener; non-irritating in finished products.

What's the usage rate in cold-process soap?
10-30% of oils for hardness; adjust per recipe.

How does it differ from citric acid or sodium lactate?
Stearic hardens bars and thickens creams vs. lactate (humectant) or citric (pH adjuster).

Can it be used in creams or deodorants?
Yes – 5-15% for structure and glide in sticks/butters.

Is it plant-derived and vegan?
Yes – 100% vegetable for clean, ethical formulations.

How to melt for use?
Heat to 70°C in double boiler; blends easily with oils/butters.

Suitable for candles?
Yes – hardens wax for longer burn and stability.

Any odour or colour impact?
Neutral – won't interfere with scents or pigments.