Vitamin C Firming Face Serum – Day & Night Hydration Essence

Brighten, firm, and deeply hydrate your complexion with the RDQCTQ Vitamin C Firming Skin Essence — a lightweight, fast-absorbing face serum powered by Vitamin C and a plant-derived amino acid formula. Designed for both day and night use, this unisex essence works continuously to promote a visibly radiant, supple, and more even-toned appearance.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Why You'll Love It

• Vitamin C Brightening: A potent dose of Vitamin C helps visibly reduce dullness and supports a luminous, healthy-looking glow.
• Plant Amino Acid Formula: Nourishing plant-derived amino acids reinforce the skin's natural moisture barrier for long-lasting softness and elasticity.
• Day & Night Hydration: Lightweight lotion texture absorbs effortlessly — layer it into your morning and evening routines with ease.
• Firming & Plumping: Regular use helps skin feel firmer and more bouncy, giving your complexion a refreshed, youthful vitality.
• Unisex Formula: Suitable for all genders and most skin types — no harsh or high-concern chemicals included.

Product Specifications

• Brand: RDQCTQ
• Model: RD110
• Item Type: Face Serum / Essence
• Formulation: Lotion
• Gender: Unisex
• Pieces: 1 Unit
• Shelf Life: 3 Years
• High-Concern Chemicals: None
• Made in: China

How to Use

1. Cleanse and tone your face as usual.
2. Dispense a small amount of the essence onto your fingertips.
3. Gently press and pat into your face and neck in upward strokes.
4. Follow with your favourite moisturiser for a complete routine.
5. Use morning and/or evening for best results.

Pair It With

• 0.3ml & 0.5ml Ampoule Head Cap Adapter for Hyaluron Pen — ideal companion for advanced at-home skincare routines.
• 0.3ml & 0.5ml Hyaluron Pen Ampoule Head Cartridge — take your serum application to the next level.

Authoritative Skincare Resource

Learn more about the role of Vitamin C in skin health from the NIH Office of Dietary Supplements – Vitamin C Fact Sheet.

Frequently Asked Questions

Q: Can I use this Vitamin C face serum both morning and night?

A: Yes! The RDQCTQ Vitamin C Firming Skin Essence is formulated for both day and night use. Its lightweight lotion texture absorbs quickly without feeling heavy, making it comfortable under sunscreen in the morning and under a richer moisturiser at night.

Q: Is this serum suitable for sensitive or combination skin?

A: This unisex essence contains no high-concern chemicals and features a gentle plant amino acid formula, making it well-suited for a wide range of skin types including sensitive and combination skin. As with any new skincare product, we recommend patch-testing on a small area before full application.

Q: How long will one unit last?

A: With regular day-and-night use, one unit of this face essence typically lasts 1–2 months depending on how much you apply per session. The product has a shelf life of 3 years, so you can stock up without worry.