Octyl Salicylic Acid, Lipophilic Salicylic Acid(CAS 118-60-5)
Product Name: Octyl Salicylic Acid
INCI Name: Octyl Salicylic Acid
CAS No.: 118-60-5
Grade: Cosmetic Premium Grade (Lipophilic Exfoliating & Pore Refining Special)
Purity: ≥99.0%
Appearance: Colorless Transparent Oily Liquid, Low Viscosity, Odorless or Slight Characteristic Odor, Pure Texture Without Impurities
Molecular Formula: C₁₅H₂₂O₃
Molecular Weight: 250.33
MOQ (Minimum Order Quantity): 25KG
Solubility: Excellent lipophilic solubility, completely soluble in all oil-phase solvents and emulsified systems; insoluble in water; stable in conventional cosmetic formulas, not easy to hydrolyze and deteriorate; highly compatible with plant oils, emollients and anti-acne active ingredients, easy formula deployment and stable mass production
Core Efficacy: Lipophilic gentle exfoliation, dissolve pore oil plugs and keratin accumulation; deeply clean clogged pores, refine rough pores and smooth skin texture; inhibit propionibacterium acnes, relieve inflammatory acne and redness; promote skin keratin renewal, improve dull and rough skin; anti-oxidation and anti-aging, reduce fine lines caused by keratin accumulation
Key Characteristics: Upgraded lipophilic derivative of salicylic acid; compared with traditional water-soluble salicylic acid, OSA has stronger skin permeability, milder irritation and longer efficacy duration; it can penetrate oil-rich pore lining to achieve deep cleansing without dryness and tightness; stable molecular structure, not easy to decompose; avoids strong irritation and peeling problems of ordinary salicylic acid, suitable for long-term gentle skin renewal maintenance
Storage Condition: Sealed and stored in dry, cool and ventilated warehouse, avoid high temperature, direct strong light and high humidity environment; keep tightly sealed after opening to prevent oxidation and efficacy attenuation
Shelf Life: 24 Months
Application: Widely used in gentle exfoliating lotion, pore refining essence, anti-acne skincare products, oily skin conditioning formulas, keratin renewal products and daily skin smoothing functional cosmetics
Octyl Salicylic Acid, Lipophilic Salicylic Acid, Exfoliating, Anti-acne, Pore Refining, Anti-inflammatory, Anti-aging, Skin Renewal, Skincare Raw Material
Octyl Salicylic Acid, Lipophilic Salicylic Acid(CAS 118-60-5)
Cosmetic Grade Octyl Salicylic Acid is a high-efficiency mild lipophilic exfoliating and skin-renewing active ingredient, an upgraded lipophilic derivative of traditional salicylic acid. Breaking the limitation of water-soluble salicylic acid that only acts on the skin surface, OSA adopts exclusive lipophilic molecular structure, which can perfectly blend with skin sebum, deeply penetrate the oily pore lining, precisely dissolve clogged oil plugs and accumulated dead keratin, and thoroughly clean closed pores, blackheads and whiteheads from the root.
Different from ordinary salicylic acid with strong irritation and easy dry peeling, OSA has milder molecular activity and better skin affinity. It achieves efficient pore cleansing and keratin renewal while protecting the skin lipid barrier, avoiding tightness, dryness and redness irritation after exfoliation.
In terms of skin conditioning, OSA can effectively inhibit the activity of acne-causing bacteria, relieve mild inflammatory acne and pore redness, reduce repeated acne and pore congestion.
Meanwhile, it promotes orderly keratin metabolism, smoothes rough skin texture, fades dull and turbid skin tone, and has certain antioxidant and anti-aging effects to delay skin rough aging caused by keratin accumulation. With stable formula activity, low irritation, long-lasting efficacy and wide formula compatibility, it is a core mild exfoliating and pore-refining raw material for medium and high-end sensitive exfoliating and oil-control skincare products.
Key Benefits
• Lipophilic Deep Cleansing, Target Pore Purification: Unique oil-soluble structure, perfectly fits sebum layer, deeply dissolves pore oil plugs and dead keratin, solves closed pores, blackheads and greasy congestion that water-soluble acid cannot completely improve.
• Mild Low Irritation, No Dry Peeling: Upgraded derivative formula, weaker irritation than ordinary salicylic acid, no tightness, dryness and redness after use, suitable for long-term daily exfoliation and sensitive oily skin care.
• Refine Pores & Smooth Texture: Promote orderly keratin metabolism, improve rough and uneven skin, shrink visually enlarged pores caused by oil accumulation, and restore delicate and smooth skin texture.
• Anti-acne & Anti-inflammatory, Prevent Recurrence: Inhibit propionibacterium acnes reproduction, relieve mild inflammatory acne and pore redness, reduce acne inflammation and repeated pore blockage.
• Stable Activity & Long-lasting Efficacy: Optimized molecular structure, not easy to hydrolyze and decompose in emulsified and oil-phase formulas, stable efficacy, long-term continuous skin renewal and pore maintenance effect.
• Strong Formula Compatibility, Easy Mass Production: Adaptable to oil-phase and emulsified systems, compatible with oil-control, soothing and moisturizing ingredients, simple formula debugging, high finished product stability and qualification rate.
Applications
• Gentle Exfoliating & Pore Refining Essence: Core active ingredient of mild exfoliating essence, gently remove dead keratin, dredge clogged pores, improve blackheads and closed pores, and refine rough large pores.
• Oil-control Anti-acne Skincare Series: Applied in oily and mixed skin anti-acne products, inhibit oil secretion, reduce bacterial reproduction, relieve inflammatory acne, and stabilize oily skin state.
• Skin Smoothing Lotion & Cream: Added in daily skin smoothing formulas, promote regular keratin renewal, improve dull and rough skin, and maintain smooth and delicate skin texture.
• Post-acne Pore Repair Products: Used in acne skin maintenance formulas, clean residual pore grease, prevent pore coarsening after acne healing, and optimize skin flatness.
• Long-term Skin Renewal Maintenance Products: Suitable for daily mild exfoliating and skin renewal products, avoid excessive exfoliation damage, and achieve safe and long-term skin quality improvement.
• Compound Oil-control & Anti-inflammation System: Perfectly compounded with niacinamide, centella extract, panthenol and zinc ingredients to build mild exfoliation, oil-control and anti-inflammatory synergistic system, balance skin water and oil, and stabilize skin barrier.
Certificate Of Analysis (COA)
Test Item | Standard Specification | Test Result |
Product Name | Octyl Salicylic Acid (OSA) | Compliant |
CAS No. | 118-60-5 | Compliant |
Appearance | Colorless Transparent Oily Liquid | Compliant |
Purity (HPLC) | ≥99.0% | 99.65% |
Refractive Index | 1.490~1.510 | 1.498 |
Loss on Drying | ≤0.2% | 0.07% |
Acid Value | ≤0.5 mgKOH/g | 0.21 mgKOH/g |
Heavy Metal (Pb) | ≤1ppm | 0.2ppm |
Arsenic (As) | ≤0.5ppm | 0.1ppm |
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 Octyl Salicylic Acid?
A1: The standard MOQ is 25KG, and sample orders are supported for formula testing and efficacy trial production.
• Q2: What certification documents can be provided?
A2: Complete COA, MSDS, heavy metal and microbial test reports and full set of customs clearance documents are available to support export declaration and cosmetic product filing.
• Q3: What is the recommended dosage in cosmetic formulas?
A3: Conventional addition dosage is 0.2%-1% for daily mild exfoliating maintenance products; 1%-2% for high-efficiency pore refining and anti-acne essence, adjustable according to product efficacy positioning and skin tolerance.
• Q4: What is the difference between OSA and ordinary salicylic acid?
A4: Ordinary salicylic acid is water-soluble with strong irritation, easy to cause dry peeling and redness; OSA is lipophilic upgraded derivative, with deeper pore penetration, milder irritation, no dry tightness after use, suitable for long-term daily exfoliation and sensitive oily skin.
• Q5: Is OSA suitable for sensitive skin formulas?
A5: Yes. OSA has mild molecular activity, far lower irritation than traditional salicylic acid, no excessive exfoliation damage. It can be used for sensitive oily skin and fragile skin gentle pore maintenance.
• Q6: What ingredients is it suitable for compounding?
A6: It can be perfectly compounded with niacinamide, panthenol, centella asiatica extract and zinc PCA to balance oil secretion, soothe inflammation, repair barrier, and achieve exfoliation without irritation.
• Q7: Do you support stable large-batch supply all year round?
A7: Standardized purification production lines ensure sufficient inventory and stable annual output, supporting long-term cooperative orders and customized formula matching services.
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