Ascorbyl tetraisopalmitate (VC-IP) is a liposoluble vitamin C derivative widely used in high-end cosmetics and skincare. It penetrates the skin barrier better than water-soluble vitamin C, releasing active vitamin C intracellularly. Key benefits: inhibits tyrosinase to brighten skin and fade spots; boosts collagen synthesis for anti-aging and firming; strong antioxidant to neutralize free radicals and reduce photoaging. Ideal for serums, creams, lotions, and sunscreens; suitable for sensitive skin (non-irritating, non-comedogenic). Also used in topical pharmaceuticals for skin repair and in high-end hair care to protect scalp and hair from oxidation.

VC-IP is low-risk (GHS07/Warning) with mild irritant potential. No acute toxicity (oral/dermal LD50 >5000 mg/kg); non-sensitizing, non-phototoxic. Skin contact: May cause slight redness/itching; rinse with water if irritation occurs. Eye contact: May cause temporary stinging; flush with water for 15 minutes. Inhalation of mist: Mild respiratory irritation; use ventilation. Ingestion: Large amounts may cause mild GI upset; drink water and seek medical help if needed. Storage: Keep away from strong oxidants; separate from food. Disposal: Follow local hazardous waste rules.