ISDIN Flavo-C Vitamin C Brightening Serum 1.0 fl oz — Stabilized Ascorbic Acid, Antioxidant

ISDIN Flavo-C is a fast-absorbing vitamin C facial serum that helps protect skin from environmental free radicals while promoting a brighter, more even-looking complexion.

This concentrated serum blends stabilized ascorbic acid with ginkgo biloba and other antioxidants to support skin tone and luminosity. Light in texture and formulated without fragrance or sulfates, it’s engineered to deliver daily antioxidant support and help skin appear more resilient against the effects of UVA/UVB exposure and environmental stressors.

How does this serum protect skin from daily environmental stress?

Flavo-C supplies a potent antioxidant boost that neutralizes free radicals generated by sunlight and pollution. By supplementing the skin’s defense systems, it helps reduce the visual impact of oxidative stress so skin looks fresher and less fatigued.

• Contains stabilized ascorbic acid (vitamin C) for antioxidant activity
• Includes ginkgo biloba to reinforce antioxidant effects
• Lightweight formula absorbs rapidly under moisturizer or sunscreen
• Fragrance- and sulfate-free to minimize irritation risk

What visible improvements can I expect with regular use?

With consistent application, the serum aims to enhance brightness and help even out skin tone. It also supports skin elasticity and hydration, making fine lines appear less pronounced and skin surface look smoother.

• Helps recapture radiance and unify complexion
• Supports skin’s firmness and elasticity
• Helps reduce the appearance of fine lines over time
• Suitable as part of morning or evening routines

How do I use Flavo-C in my skincare routine?

Apply a few drops to clean, dry skin before thicker creams or sunscreen. The serum layers well under hydrating lotions and is intended for daily use; apply once or twice daily depending on tolerance and skin sensitivity.

• Use after cleansing and toning, before moisturizer
• Pat a few drops onto face and neck until absorbed
• Follow with broad-spectrum SPF in the morning
• Patch test if you have sensitive skin or are new to vitamin C

Is this serum suitable for sensitive or reactive skin?

The formula avoids fragrance and sulfates, which reduces the likelihood of irritation for many users. However, because it contains active vitamin C, those with very reactive skin should introduce it gradually and monitor for any redness or sensitivity.

• Fragrance-free and sulfate-free formulation
• Start with every-other-day use if concerned about sensitivity
• Perform a patch test before full-face application
• Discontinue use if persistent irritation occurs

Who is this for: ISDIN Flavo-C is designed for adults seeking antioxidant skincare to address dullness, early signs of aging, mild sun-damage concerns, or loss of firmness. It suits those who want a concentrated vitamin C product without added fragrance or sulfates and who plan to pair it with sun protection for daytime use.