PIXI Vitamin-C Serum - Vitamin-C

For best results, use the serum once daily, preferably in the morning, as part of your skincare routine.

Yes, but perform a patch test first. Start with a small amount and monitor your skin's reaction. If no irritation occurs, gradually increase the frequency of use.

Apply the serum after cleansing and toning, before moisturizing and applying sunscreen.

Refer to the product packaging for the expiration date. Once opened, it's generally recommended to use the serum within a specific timeframe as indicated on the packaging, to ensure optimal efficacy.

The main ingredients are Vitamin C and Ferulic acid. These ingredients work together to brighten the skin, reduce the effects of sun damage, and protect against free radicals.

Yes, the serum is compatible with most skincare products. However, it is advisable to introduce new products gradually. Avoid using it with other very potent active ingredients simultaneously, particularly strong acids or retinoids, without consulting with a dermatologist.

Reduce the frequency of use or discontinue use if irritation persists. Perform a patch test before use.

This could indicate oxidation. Store the serum properly, away from light and heat. If the color changes significantly, the serum's efficacy may be reduced.