

FAQ (Frequently Asked Questions)
1. What is Isopropyl Alcohol (IPA)?
Isopropyl Alcohol (IPA) is a volatile, colorless liquid alcohol widely used in personal care products as a solvent, antimicrobial agent, and astringent. It is known for its quick evaporation rate and disinfecting properties, making it essential in skincare, haircare, and hygiene products.
2. What is the CAS number and INCI name of Isopropyl Alcohol?
CAS Number: 67-63-0
INCI Name: Isopropyl Alcohol
3. What are the benefits of Isopropyl Alcohol in personal care products?
Isopropyl Alcohol is valued for:
Antimicrobial properties: Helps kill bacteria and fungi.
Quick-drying effect: Used in hand sanitizers and fast-drying formulas.
Oil-removing properties: Effective in cleansers and toners.
Enhancing product penetration: Aids in the absorption of active ingredients.
Solvent function: Used to dissolve oils, resins, and other ingredients.
4. How does Isopropyl Alcohol work in cosmetic formulations?
IPA acts as a solvent and disinfectant, improving formula stability and ingredient solubility. It also enhances product texture by reducing greasiness and providing a light, refreshing feel.
5. Is Isopropyl Alcohol safe for all skin types?
IPA is generally safe when used in low concentrations. However, in high amounts, it may cause:
Dryness or irritation in sensitive skin.
Over-stripping of natural oils, leading to skin dehydration.
6. What types of personal care products contain Isopropyl Alcohol?
Isopropyl Alcohol is commonly used in:
Hand sanitizers & disinfectants
Toners & astringents
Aftershaves & deodorants
Hair styling products
Makeup removers
Cleansers & wipes
7. Can Isopropyl Alcohol be combined with other ingredients?
Yes, IPA blends well with:
Water & ethanol for antibacterial formulations.
Glycerin & humectants to prevent excessive dryness.
Essential oils & extracts in fragrance and personal care products.
8. Does Isopropyl Alcohol cause any side effects?
While generally safe, potential side effects include:
Dryness & irritation, especially on sensitive skin.
Flammability risk, requiring proper storage.
Eye and mucous membrane irritation if used improperly.
9. What is the recommended concentration of Isopropyl Alcohol in personal care formulations?
10% to 30% in toners and astringents.
60% to 70% in hand sanitizers for effective antimicrobial action.
1% to 5% in hair and cosmetic formulations as a solvent.
10. Is Isopropyl Alcohol natural or synthetic?
Isopropyl Alcohol is synthetically produced from propene (a petroleum-derived compound) but is widely used in both conventional and professional cosmetic formulations.
11. Where can I purchase high-quality Isopropyl Alcohol for formulation purposes?
Isopropyl Alcohol is available from chemical suppliers, cosmetic raw material distributors, and pharmaceutical-grade manufacturers. Always opt for cosmetic or pharmaceutical-grade IPA for skin-safe formulations.