About this product
ISNTREE Hyper Vitamin C 23 Serum 20ml contains 23% pure ascorbic acid for maximum brightening, antioxidant protection, and collagen stimulation. Formulated in an anhydrous base to preserve vitamin C stability, this serum is for experienced users who have built tolerance to high-concentration vitamin C.
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Based on confirmed product attributes. Always check the full ingredient list for personal allergens.
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Disclaimer: The information on this page is for informational purposes only and does not constitute medical or dermatological advice. Always do your own research, consult a qualified professional if you have concerns, and patch test new products before full application — especially if you have sensitive or reactive skin.