Hyper Vitamin C 23 Serum 20ml
High-concentration 23% vitamin C serum for intensive brightening and antioxidant protection
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.
Best for normal, combination, oily, dull skin looking to address brightening, dark spots, antioxidant — with a focus on intensive vitamin c brightening with 23% concentration.
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How to Use
- 1AM use recommended
- 2After cleansing
- 3Apply thin layer to face
- 4Follow with SPF
Product Claims
Common Allergens
Based on confirmed product attributes. Always check the full ingredient list for personal allergens.
Always check the full ingredient list if you have known allergies or sensitivities.
Routine Placement
Apply this serum & ampoule as step 5 in your routine.
Quick Stats
Key Ingredients
Ingredient Analysis
Disclaimer: Ingredient information is for educational purposes only and does not constitute medical or dermatological advice. Sources: EWG Skin Deep, EU CosIng, NIH PubChem.
Dermatologist Note
23% is very high concentration; may cause tingling on first use; store properly to prevent oxidation
Based on published clinical literature and dermatological research.
Patch Test Recommended
This product contains high-strength actives. Before full application, apply a small amount to your inner arm or jaw and wait 24 hours to check for irritation.
If you experience redness, burning, or itching — discontinue use and consult a dermatologist.
Ingredient Analysis
Disclaimer: Ingredient information is for educational purposes only and does not constitute medical or dermatological advice. Sources: EWG Skin Deep, EU CosIng, NIH PubChem.
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Disclaimer: Information on this page is for educational purposes only and does not constitute medical or dermatological advice. Always patch test new products and consult a qualified professional if you have skin concerns. Skinuity does not sell any products. We provide affiliate links to third-party retailers and may earn a commission on qualifying purchases.