

FAQ (Frequently Asked Questions)
1. What is Ascorbic Acid?
Ascorbic Acid, commonly known as Vitamin C, is a powerful antioxidant used in skincare to brighten skin, reduce pigmentation, and protect against environmental damage. It is widely used in personal care products for its anti-aging and skin-rejuvenating benefits.
2. What is the CAS number and INCI name of Ascorbic Acid?
CAS Number: 50-81-7
INCI Name: Ascorbic Acid
3. What are the benefits of Ascorbic Acid in skincare?
Ascorbic Acid is known for:
Skin brightening: Reduces dark spots and evens out skin tone.
Antioxidant protection: Neutralizes free radicals and protects against pollution and UV damage.
Collagen synthesis: Stimulates collagen production, improving skin elasticity and reducing wrinkles.
Anti-inflammatory effects: Helps calm redness and irritation.
4. How does Ascorbic Acid work on the skin?
Ascorbic Acid inhibits melanin production by blocking the enzyme tyrosinase, leading to a brighter complexion. It also stimulates collagen synthesis, making the skin firmer and reducing fine lines.
5. Is Ascorbic Acid suitable for all skin types?
Yes, but sensitive skin types may experience mild irritation. It is recommended to start with a lower concentration (5-10%) and gradually increase usage.
6. What types of personal care products contain Ascorbic Acid?
Ascorbic Acid is found in:
Serums
Moisturizers
Face masks
Eye creams
Sunscreens
7. Can Ascorbic Acid be used with other skincare ingredients?
Yes, Ascorbic Acid works well with:
Ferulic Acid & Vitamin E (boosts stability and efficacy)
Hyaluronic Acid (for hydration)
Sunscreen (to protect against UV damage)
🚫 Avoid using Ascorbic Acid with Niacinamide and Retinol in the same routine, as they may reduce its effectiveness or cause irritation.
8. Does Ascorbic Acid cause any side effects?
Ascorbic Acid may cause:
Mild irritation or tingling, especially for sensitive skin.
Oxidation issues, making the product turn yellow/brown over time.
Sun sensitivity, so always use sunscreen after application.
9. What is the recommended concentration of Ascorbic Acid in skincare?
5-10%: Suitable for beginners and sensitive skin.
15-20%: Most effective range for brightening and anti-aging.
10. How is Ascorbic Acid different from its derivatives (e.g., Sodium Ascorbyl Phosphate, Magnesium Ascorbyl Phosphate)?
Ascorbic Acid: The most potent but unstable form.
Sodium Ascorbyl Phosphate & Magnesium Ascorbyl Phosphate: More stable but less effective in direct skin penetration.
11. Where can I purchase high-quality Ascorbic Acid for formulation purposes?
Ascorbic Acid is available from reputable cosmetic raw material suppliers. Look for stabilized or encapsulated forms to enhance shelf life and effectiveness.