TRSTAY Vitamin C Face Serum – Brightening & Hyaluronic Acid

Reveal a more radiant, luminous complexion with the TRSTAY Vitamin C Facial Essence. This lightweight, fast-absorbing serum combines the power of stabilized Vitamin C (ascorbic acid) with hydrating hyaluronic acid to visibly brighten skin tone, even out discolouration, and restore a healthy, dewy glow — suitable for all skin types and genders.

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

• Antioxidant-Rich Formula: Vitamin C helps neutralize free radicals caused by UV exposure and environmental stressors, supporting a youthful-looking complexion.
• Visible Brightening: Targets dull skin and uneven tone, promoting a clearer, more even appearance over time.
• Intense Hydration: Hyaluronic acid draws moisture deep into the skin, leaving it plump, smooth, and supple.
• Lightweight Texture: The silky essence absorbs quickly without greasiness, making it ideal for layering under moisturizer or SPF.
• Whole-Face Use: Formulated for full-face application — no high-concern chemicals detected.
• Unisex Formula: Designed for all skin types and genders.

How to Use

1. Cleanse and tone your face as usual.
2. Apply 2–3 drops of the Vitamin C essence to your fingertips.
3. Gently press and pat into skin from the centre of your face outward.
4. Follow with your preferred moisturizer. Use morning and/or evening for best results.
5. Always apply a broad-spectrum SPF during the day when using Vitamin C products.

Key Ingredients

• Vitamin C (Ascorbic Acid) – Potent antioxidant that supports skin radiance and even tone.
• Hyaluronic Acid – A powerful humectant that attracts and retains skin moisture.
• Essential Oil Blend – Helps nourish and condition skin with each application.

Product Details

• Brand: TRSTAY
• Suitable For: All skin types, Unisex
• Application Area: Whole Face
• Pieces: One Unit
• High-Concern Chemicals: None
• Made in: China

Explore More Skincare Essentials

Pair this serum with other targeted treatments for a complete routine:

• 0.3ml & 0.5ml Ampoule Head Cap Adapter for Hyaluron Pen
• 0.3ml & 0.5ml Hyaluron Pen Ampoule Head Cartridge | Skin Care

Learn More

For guidance on skincare ingredients and their effects on skin health, visit the U.S. Food & Drug Administration – Cosmetics resource page.

Frequently Asked Questions

Q: What skin types is the TRSTAY Vitamin C Facial Essence suitable for?

A: This Vitamin C essence is formulated for all skin types — dry, oily, combination, and sensitive. Its lightweight texture absorbs easily without clogging pores, making it ideal for daily use by all genders.

Q: How does Vitamin C benefit the skin in this serum?

A: Vitamin C is a well-known antioxidant that helps defend skin against environmental stressors, supports a brighter and more even skin tone, and works alongside hyaluronic acid to promote a healthy, hydrated glow.

Q: Can I use this Vitamin C serum with other skincare products?

A: Yes! This essence is designed to layer seamlessly into your existing routine. Apply it after cleansing and toning, then follow with a moisturizer. In the morning, always finish with a broad-spectrum sunscreen to protect your skin and maximise the benefits of Vitamin C.

Q: How soon can I expect to see results from using this brightening serum?

A: Visible brightening and improvement in skin tone are typically noticed after consistent use over several weeks. For best results, incorporate the essence into your morning and evening skincare routine.