Vitamin C & Hyaluronic Acid Face Serum – Brightening Oil

Reveal a brighter, smoother, and more radiant complexion with the TRSTAY Vitamin C & Hyaluronic Acid Face Serum. This lightweight oil-based serum is formulated for all genders and skin types, blending the power of Vitamin C with deeply hydrating Hyaluronic Acid to visibly even skin tone, reduce the appearance of fine lines, and deliver lasting moisture throughout the day.

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: Helps visibly even skin tone and diminish the look of dark spots for a luminous, glowing complexion.
• Hyaluronic Acid Hydration: Attracts and locks in moisture, leaving skin plump, supple, and comfortable all day long.
• Smoothing Formula: Works to visibly soften the appearance of fine lines and wrinkles, promoting a youthful-looking finish.
• Lightweight Oil Texture: Absorbs quickly without a greasy residue — perfect for layering under moisturizer or makeup.
• Unisex Formula: Designed for all skin types and suitable for all genders.
• No High-Concern Chemicals: Free from high-concern chemical substances for confident, everyday use.

How to Use

1. Cleanse and tone your face as usual.
2. Dispense 2–3 drops of the serum onto your fingertips.
3. Gently press and massage into skin using upward circular motions.
4. Follow with your favourite moisturizer or SPF for best results.
5. Use morning and/or evening as part of your daily skincare routine.

Product Specifications

• Brand: TRSTAY
• Item Type: Face Serum
• Formulation: Oil
• Key Ingredients: Vitamin C (VC), Hyaluronic Acid
• Feature: Moisturizing, Brightening, Anti-Wrinkle
• Gender: Unisex
• Pieces: One Unit
• Country of Origin: Made in Mainland China

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For more information on skincare ingredients and their benefits, visit the U.S. Food & Drug Administration – Cosmetics resource page.

Frequently Asked Questions

Q: What skin types is the TRSTAY Vitamin C & Hyaluronic Acid Face Serum suitable for?

A: This face serum is formulated for all skin types — whether your skin is dry, oily, combination, or normal. Its unisex, lightweight oil formula makes it an ideal addition to any skincare routine.

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

A: Yes! This serum is designed for daily use. Apply it morning and/or evening after cleansing, before your moisturizer, to maintain a consistently bright and hydrated complexion.

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

A: Vitamin C is a well-known brightening ingredient that helps visibly even skin tone, reduce the appearance of dark spots, and promote a naturally radiant glow when used consistently as part of a daily skincare regimen.

Q: Is this serum safe to use under makeup?

A: Absolutely. The lightweight oil formula absorbs quickly and leaves no heavy residue, making it an excellent base under foundation, tinted moisturizers, or SPF products.