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| CAS No. | 64519-44-4 |
| EINECS | 264-935-8 |
| Synonym | (1R,2S,5R)-5-Methyl-2-isopropylcyclohexyl 5-oxo-L-prolinate |
| Molecular Formula | C₁₅H₂₅NO₃ |
| Molecular Weight | 267.36 g/mol |
| Appearance | A clear to light yellow, viscous liquid |
| Odor | Slight ”minty”odor |
| Flash Point | 201.2℃ |
| Boiling Point | 409.1℃ at 760mmHg |
| Content | ≥98.0% |
| Density and/or relative density | 1.07g/cm3 |
| Solubility | Soluble in both alcohol and oil-based systems |
Core Benefits:
Long-lasting Cooling + Gentle Non-Irritation
Sustained release of menthol and PCA provides extended cooling; no stinging or burning sensation. Eye-area and mucous-membrane friendly, suitable for sensitive area care.
Hydration & Barrier Repair Dual Action
PCA (a key component of skin’s natural moisturizing factor, NMF) delivers both moisture absorption and retention. Promotes synthesis of stratum corneum lipids, strengthens skin barrier, relieves dryness and tightness.
Oil Control & Soothing – Versatile
Regulates sebaceous glands, reduces excess oil; inhibits inflammatory factors, alleviates redness and itching. Ideal for oily/acne-prone skin, scalp cooling care, and summer refreshing products.
Easy Synergistic Formulation
Compatible with fragrances, surfactants, and preservatives; does not alter the original fragrance profile, while enhancing skin feel.
Applications & Recommended Dosage:
Cosmetics & Skincare
Toners, aftershave lotions, moisturizing lotions (0.1%–2%); hand creams (≤5%); body lotions (<2%).
Personal Care & Oral Care
Shampoos, body washes, facial cleansers, toothpastes, mouthwashes, oral sprays.
Fragrance & Protection Products
Florida water (refreshing floral water), cooling sprays, antiperspirants.
Food Flavors
Candies, chewing gum, refreshing beverages – imparts a cool, fresh taste.
Safety & Compliance:
Complies with EU Cosmetics Regulation (EC 1223/2009) and is listed on the US TSCA Inventory. Safe and reliable for product development across multiple regions.