COSRX The Vitamin C 23% Serum - 20ml (0.7 oz)

Name: COSRX The Vitamin C 23% Serum - 20ml (0.7 oz)
Brand: COSRX
Price: 13.00 USD
Availability: InStock

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Product Info

COSRX The Vitamin C 23 Serum is a high-potency facial serum formulated with 23% pure Vitamin C (Ascorbic Acid) to help visibly brighten dull skin, improve the appearance of dark spots, and promote a more even-looking complexion. This concentrated formula is designed to support skin radiance while helping reduce the visible signs of aging, including fine lines and loss of firmness.

Enriched with Vitamin E and Hyaluronic Acid, the serum helps deliver antioxidant protection while maintaining skin hydration and comfort. The lightweight formula absorbs quickly into the skin, helping to improve overall skin texture and clarity with consistent use.

Ideal for those concerned with hyperpigmentation, post-acne marks, uneven skin tone, and dullness, COSRX The Vitamin C 23 Serum works to reveal healthier-looking, more luminous skin. For best results, incorporate it into your daily skincare routine and follow with sunscreen during daytime use.

Key Benefits:
• Contains 23% pure Vitamin C (Ascorbic Acid)
• Helps brighten dull and tired-looking skin
• Improves the appearance of dark spots and post-acne marks
• Promotes a more even-looking skin tone
• Helps reduce the appearance of fine lines
• Provides antioxidant protection against environmental stressors
• Contains Hyaluronic Acid for added hydration
• Lightweight, fast-absorbing formula

Skin Types:
• Normal
• Combination
• Oily
• Dry

Size: 0.67 fl oz / 20 mL

How To Use

1. Cleanse your face and apply toner if desired.
2. Dispense 2–3 drops of COSRX The Vitamin C 23 Serum onto your fingertips.
3. Gently apply the serum to your face, focusing on areas with dark spots, uneven tone, or dullness.
4. Pat lightly until fully absorbed.
5. Follow with a moisturizer to lock in hydration.
6. During daytime use, apply a broad-spectrum sunscreen with SPF 30 or higher as the final step of your skincare routine.

Note: If you are new to high-strength Vitamin C products, start by using the serum 2–3 times per week and gradually increase frequency as your skin adjusts.

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Need assistance?

We're here to help! Contact us at info@trueglowlabs.com or through our Contact Us page with any questions, concerns, or feedback. Our team will get back to you as quickly as possible during regular business hours.

Shipping & Returns

Shipping

We typically process and ship orders within 24–48 hours after payment confirmation. Enjoy FREE Standard Shipping on orders over $25. For additional details on delivery times, shipping methods, and policies, please visit our Shipping Policy page.

Return & Refund

We want you to love your purchase. If you're not completely satisfied, we accept returns within 30 days of delivery.

To start a return, simply reply to your order confirmation email, and our support team will provide detailed instructions to guide you through the process.

For complete details, please visit our Return & Refund Policy page.

COSRX Advanced Pure Vitamin C 23% Serum is a lightweight facial serum designed to help improve the appearance of dull and uneven skin tone. Formulated with pure vitamin C, vitamin E, and glutathione, this serum helps support brighter-looking skin while promoting smoother texture and a healthy glow. The fast-absorbing formula layers easily into daily skincare routines and provides a non-sticky finish.

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Are your products authentic?

● 100% Guaranteed: We guarantee that every product sold at True Glow Labs is 100% authentic.

● Sourcing: All items are sourced directly from the original brands and authorized distributors to ensure quality and safety.

How does shipping and delivery work?

● Free Shipping: We offer free standard shipping on all orders of $25 or more.

● Processing Time: All orders are processed and shipped within 24–48 hours after payment confirmation.

● Delivery Estimates: Orders are shipped via standard shipping and typically arrive within 2–5 business days.

● Shipping Area: We ship exclusively to the 48 contiguous United States.

● Shipping Restrictions: We do not ship to Puerto Rico (PR), PO Boxes, or APO/FPO/DPO addresses.

Do you accept returns?

Absolutely! We accept returns within 30 days of delivery. For more information about our return process, eligibility requirements, and refund terms, please visit our Return & Refund Policy page.

How can I contact customer support?

● Email: Reach us anytime at info@trueglowlabs.com.

● Reply to Order: For the fastest service, simply reply directly to your order or shipping confirmation email.

● Contact Page: You can also submit a request through our official Contact Us page.

Do your products contain natural ingredients?

Our formulas focus on high-quality botanical extracts and skin-loving ingredients chosen to support hydration, radiance, and overall skin wellness.

Are your skincare products suitable for all skin types?

Yes, our products are designed to be gentle and effective for most skin types. They are formulated to nourish, hydrate, and support healthy-looking skin.

What benefits can I expect from a regular self-care routine?

A consistent self-care ritual can help reduce stress, improve skin hydration, and promote a healthy glow while supporting overall wellness.