3-O-Ethyl Ascorbic Acid

3-O-Ethyl Ascorbic Acid is a stable derivative of Vitamin C, known for its excellent skin-brightening and antioxidant properties. It inhibits melanin production, promoting an even skin tone while protecting against free radical damage. Its stability makes it a preferred ingredient in cosmetics and dermatological formulations.

Indications

-Hyperpigmentation -Skin brightening treatments -Antioxidant skin care -Anti-aging regimens -Uneven skin tone

Dosage

-Topical Application: Generally used in concentrations ranging from 1% to 20% in skincare formulations. -Usage Frequency: Apply once or twice daily as recommended by a dermatologist or based on product instructions.

Contra-Indications

Known hypersensitivity or allergy to ascorbic acid derivatives or other formulation components.

Special Precautions

-Avoid direct sunlight exposure immediately after application; follow with sunscreen. -Perform a patch test before full application to ensure compatibility. -Do not apply on broken or irritated skin. -Consult a dermatologist for use during pregnancy or lactation.

Side Effects

-Mild irritation or redness -Stinging sensation on sensitive skin -Allergic reactions in rare cases

Drug Interactions

-May reduce the efficacy of retinoids when used together; separate application times (e.g., Vitamin C in the morning and retinoids at night). -Can enhance the effectiveness of sunscreens when used before their application.