Vitamin C & Hyaluronic Acid Face Serum – Brightening Oil

Reveal a more radiant, youthful-looking complexion with the TRSTAY Vitamin C & Hyaluronic Acid Face Serum — a lightweight, fast-absorbing oil-formula serum designed to brighten skin tone, deeply hydrate, and visibly smooth the appearance of fine lines and uneven texture.

* 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

• Brightening Vitamin C (VC): A powerful antioxidant that helps fade the look of dark spots and dullness, leaving skin with a more even, luminous glow.
• Hydrating Hyaluronic Acid: Draws moisture deep into the skin's surface to plump, smooth, and maintain a supple, dewy feel all day long.
• Firming & Smoothing Action: Helps visibly minimize the appearance of fine lines and wrinkles for a more refined, youthful complexion over time.
• Oil Formulation: Nourishing oil base provides an extra layer of moisture while helping active ingredients absorb effectively.
• Unisex Formula: Suitable for all skin types and genders — a versatile everyday serum for the whole household.
• No High-Concern Chemicals: Formulated without high-concern ingredients for a cleaner skincare experience.

Key Ingredients

• Vitamin C (VC) — antioxidant brightening agent
• Hyaluronic Acid — deep-moisture humectant
• Nourishing Oil Base — helps condition and soften skin

How to Use

1. Start with a clean, dry face.
2. Apply 2–3 drops of serum to your fingertips.
3. Gently press and massage into face, neck, and décolleté.
4. Follow with your favourite moisturiser or sunscreen.
5. Use morning and/or evening for best results.

Product Details

• Brand: TRSTAY
• Formulation: Oil Serum
• Gender: Unisex
• Quantity: 1 Unit
• Made in: Mainland China

Pair It With

Complete your skincare routine with these related products from our store:

• 0.5mm Mini Pocket Gel Pen – Quick Dry, Waterproof & 10 Refills — great for journaling your skincare progress!

For more information on the role of antioxidants like Vitamin C in skin health, visit the National Institutes of Health (NIH) – Vitamin C and Skin Health. You can also learn about skincare ingredients and safety through the FDA's Cosmetics Resource Page.

Frequently Asked Questions

Q: What does Vitamin C serum do for the skin?

A: Vitamin C is a potent antioxidant that helps brighten the complexion, even skin tone, and visibly reduce the appearance of dark spots and dullness. Regular use of a Vitamin C face serum can contribute to a more luminous, youthful-looking appearance over time.

Q: Can I use this Vitamin C and Hyaluronic Acid serum every day?

A: Yes! This unisex face serum is suitable for daily use, both morning and evening. Apply it after cleansing and before moisturising for best results. If using in the morning, follow with an SPF product to protect your skin.

Q: Is this serum suitable for all skin types?

A: Absolutely. The TRSTAY Vitamin C & Hyaluronic Acid Serum is formulated for all skin types and is unisex, making it a great all-around brightening and hydrating serum for everyone in the household.

Q: How does Hyaluronic Acid benefit the skin?

A: Hyaluronic Acid is a powerful humectant that attracts and retains moisture in the skin, helping to plump fine lines, smooth texture, and maintain a hydrated, dewy appearance throughout the day.