COSMO 10% Vitamin C + Ferulic Acid Face Serum is a brightening, antioxidant-rich serum formulated to help fade dark spots, even out skin tone, and reduce dullness — while delivering protective benefits against environmental damage and signs of premature aging.
Key Ingredients & Their Benefits
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Vitamin C (L‑Ascorbic Acid or a stabilized derivative at 10%) — a powerful antioxidant that helps brighten dull skin, fade hyperpigmentation and dark spots, boost collagen production, and contribute to firmer, more youthful skin.
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Ferulic Acid — an antioxidant that enhances and stabilizes vitamin C, improves its potency, and helps neutralize free radicals caused by UV exposure and pollution; this can improve photoprotection and support more even skin tone.
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Supporting antioxidants/emollients (e.g. Tocopherol — vitamin E, plus humectants and skin‑conditioning agents) — help reinforce skin barrier, add moisture, and reduce potential irritation, contributing to smoother, healthier-looking skin.
Product Features & Benefits
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Brightening & even skin tone: Regular use helps fade dark spots, post‑acne marks, or sun-induced pigmentation and gives skin a more radiant, luminous appearance.
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Antioxidant protection + anti‑aging support: Vitamin C + Ferulic Acid combat free radicals from sun exposure, pollution, and environmental stress — which can help prevent premature aging, fine lines, and dullness.
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Improved skin texture and glow: With consistent use, skin can appear smoother, brighter, and more even in tone and texture, helping with dullness or unevenness.
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Lightweight, non‑greasy serum format: Absorbs quickly, layers well under moisturizer or sunscreen — good for daily use and versatile for most skin types (normal, oily, combination, even some sensitive skin).
How to Use
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Cleanse and pat your face dry.
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Apply a few drops (2–3) of the serum to face and neck, gently massage or pat until absorbed.
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Follow with a moisturizer. If used in the morning, finish with a broad‑spectrum sunscreen (very important — vitamin C can increase sun sensitivity).
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For best results, use regularly (daily or as tolerated) — many sources suggest consistent use over several weeks to see visible changes in tone, brightness, and texture.






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