Palmitic Acid (Soothing Moisturizing Emollient Acid)-CAS 57-10-3
Product Name: Palmitic Acid (Soothing Moisturizing Emollient Acid)
INCI Name: Palmitic Acid
Alias: Hexadecanoic Acid, C16 Saturated Fatty Acid, Soft Texture Acid, Mild Emollient Acid, Cream Stabilizing Agent, Formula Milky Whitening Modifier
CAS No.: 57-10-3
Appearance: White pearlescent flaky crystalline solid, pure and uniform texture, odorless, free of impurities, yellow spots and agglomeration.
Grade: Cosmetic Premium Grade
MOQ (Minimum Order Quantity): 25KG
Solubility: Insoluble in water, easily soluble in hot ethanol, ether, chloroform, fatty oils and ester-based cosmetic oil-phase systems.
Storage Condition: Sealed and stored in dry, cool and ventilated warehouse, storage temperature 5–30℃, avoid high temperature melting, direct sunlight, damp environment and heavy pressure stacking. Keep tightly sealed after opening to prevent moisture absorption and agglomeration, ensuring stable mild thickening and soothing performance.
Shelf Life: 24 Months
Palmitic Acid, Hexadecanoic Acid, Soothing Emollient Acid, Cosmetic Thickener, Emulsion Stabilizer, Skin Softening Agent, Mild Formula Opacifier, Cream Texture Modifier, Low-Irritation Saturated Fatty Acid
Palmitic Acid (Soothing Moisturizing Emollient Acid)-CAS 57-10-3
Palmitic Acid is a high-purity natural vegetable-based C16 long-chain saturated fatty acid, a mild upgraded texture-modifying raw material for cosmetic emulsion systems.
Different from rigid C18 stearic acid and irritating short-chain fatty acids, it features softer molecular activity, lower skin irritation and more delicate texture regulation ability.
It cooperates with alkaline neutralizers to form a mild and dense soap-based network structure, effectively optimizing the rheological properties of creams and lotions, solving the pain points of stiff cream texture, poor ductility and unstable emulsion stratification of traditional high-hardness fatty acid formulas.
While realizing mild thickening and system stabilization, it can soothe dry skin, soften rough keratin, and endow finished products with tender and smooth emollient effect. Its natural uniform milky opacification can upgrade product appearance without additional opacifiers.
Perfectly compatible with cetyl alcohol, stearyl alcohol and stearic acid, it is the core soft texture matching raw material for high-end mild skincare and sensitive skin cosmetic systems.
Key Benefits
• C16 Mild Molecular Structure, Ultra-Low Irritation: Adopts natural palm vegetable refined C16 saturated fatty acid structure, mild acidity without strong irritation. After formula neutralization, it is skin-friendly and non-allergenic, does not damage skin sebum barrier, and is specially suitable for sensitive skin, dry skin and mild daily skincare formulas.
• Flexible Mild Thickening, Non-Stiff Cream Texture: Different from the hard and stiff shaping effect of stearic acid, it provides flexible thickening and soft shaping. The formed cream is tender and delicate with excellent ductility, no hard block or stiff texture, bringing smooth and docile spreading experience.
• Stable Oil-Water System, Anti-Layering & Anti-Floating Oil: Effectively optimize the high and low temperature cycle stability of emulsion products, balance internal oil-water tension, prevent oil phase floating, water precipitation and system delamination, greatly improve product shelf stability and weather resistance.
• Natural Uniform Opacification, Upgrade High-End Appearance: Possesses soft and uniform milky white opacifying property, which can turn transparent lotion into natural warm milky white state. The color is uniform and not dull, effectively improving product grade without additional opacifying additives.
• Soothe & Soften Skin, Improve Dry Roughness: It can gently soothe dry and tight skin, soften thick and rough old keratin, smooth uneven skin texture, relieve dry and dull skin condition, and keep skin tender and moist for a long time.
• Super Compatibility with Fatty Acid & Alcohol System: Perfectly compatible with cetyl alcohol, stearyl alcohol and stearic acid. The compound system balances soft texture and structural stability, complements the rigid shaping defect of single stearic acid, and is the best formula combination for high-end soft and moist cream products.
Applications
• Soothing & Sensitive Skin Skincare Series: Core mild thickening and soothing raw material for sensitive skin moisturizing cream, dry skin repairing lotion, soothing tender skin cream and mild daily skincare products. It creates soft and skin-friendly formula texture and relieves skin dryness and sensitivity.
• Gentle Mild Cleansing Products: Key raw material for mild facial cleanser, weak-acid soothing cleansing milk and body mild cleansing lotion. It forms fluffy and delicate foam, achieves deep cleansing without tightness and dryness, suitable for long-term mild cleansing care.
• Soft Texture Opaque Emulsion System: Special soft shaping and opacifying raw material for milky white tender skin lotion and low-hardness cream products. It optimizes product texture, uniformizes appearance color, and improves overall product grade.
• Mild Hair Care Cream Products: Applied in fluffy hair conditioner, moisturizing hair cream and mild hair care paste. It stabilizes hair care emulsion system, softens hair texture, and makes hair smooth and supple without stiff and heavy feeling.
• Low-Hardness Makeup Base Cream: Suitable for soft foundation cream, light isolation cream and moisturizing concealer cream. It optimizes cream spreadability, improves makeup docility, and avoids stiff and thick makeup texture.
• Daily Mild Body Care: Widely used in moisturizing hand cream, nourishing body lotion, anti-dry skin care cream and other daily products, providing mild thickening and moisturizing effects for whole-body skin care.
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result |
Product Name | Palmitic Acid | Compliant |
Appearance | White Pearlescent Flaky Solid, Odorless, Pure Texture | Compliant |
Purity (%) | ≥98.0 | 98.7 |
Melting Point (℃) | 61.0–63.0 | 62.1 |
Acid Value (mgKOH/g) | 216–222 | 219.3 |
Saponification Value (mgKOH/g) | 217–223 | 220.1 |
Moisture Content (%) | ≤0.2 | 0.06 |
Iodine Value (g/100g) | ≤1.0 | 0.32 |
Color (Gardner) | ≤1# | 0.5# |
Emulsion Stability | No Stratification, No Oil Floating, Soft Texture Stable | Qualified |
Heavy Metal (Pb) | ≤1ppm | 0.1ppm |
Arsenic (As) | ≤0.5ppm | Not Detected |
Mercury (Hg) | ≤0.1ppm | Not Detected |
Cadmium (Cd) | ≤0.1ppm | Not Detected |
Total Bacteria | ≤100CFU/g | Qualified |
Pathogenic Bacteria | Negative | Negative |
Conclusion | Conforms to cosmetic grade quality standard | Qualified |
Frequently Asked Questions (FAQ)
• Q1: What is the MOQ of Palmitic Acid?
A1: The standard MOQ is 25KG, support sample orders for formula testing and trial production, and support customized high-purity specifications for mass production.
• Q2: What is the core difference between Palmitic Acid and Stearic Acid?
A2: Palmitic Acid is C16 saturated fatty acid with softer molecular structure, milder irritation and flexible thickening, forming tender and non-stiff cream texture; Stearic Acid is C18 saturated fatty acid with stronger thickening and rigid shaping effect, suitable for high-hardness stable cream. The two are perfectly compounded to balance soft texture and structural stability, which is the classic formula matching scheme.
• Q3: What is the recommended dosage in cosmetic formulas?
A3: Soothing & sensitive skincare cream/lotion: 1.5%–5.0%; Mild soap-based cleanser: 2.5%–7.5%; Opaque soft texture emulsion: 1.0%–4.0%; Mild hair care cream: 1.0%–3.0%; Moisturizing makeup base cream: 1.5%–3.5%, adjustable according to product softness and opacification requirements.
• Q4: Is Palmitic Acid suitable for sensitive and dry skin formulas?
A4: Absolutely suitable. As a mild C16 long-chain fatty acid, it has ultra-low skin irritation. After scientific neutralization in the formula, it has no acidic stimulation, can soothe dry and sensitive skin, relieve tightness and roughness, and is the preferred acid material for mild sensitive skin care formulas.
• Q5: What core advantages does Palmitic Acid have in soft texture formulas?
A5: It solves the industry pain point of stiff and hard cream caused by single stearic acid shaping. It provides flexible thickening and soft shaping, optimizes emulsion fineness, soothes skin texture, and creates high-grade soft and tender skin feel while stabilizing the formula system.
• Q6: What are the formula usage notes?
A6: Add to oil phase and heat to 65–85℃ for complete melting; match with alkaline neutralizer (KOH/NaOH) for saponification to achieve mild thickening effect; compound with stearic acid to balance texture softness and molding stability; avoid excessive neutralization to prevent texture hardening.
• Q7: Can it provide stable supply and professional technical support?
A7: Strictly control core indicators such as purity, acid value, iodine value and moisture to ensure consistent batch stability. Support long-term bulk order supply, and provide one-stop professional services including formula softness debugging, acid-alcohol compound ratio optimization and after-sales technical guidance.
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