TRSTAY Vitamin C Face Serum – Hyaluronic Acid & Dark Spot

Reveal a more radiant, even-toned complexion with the TRSTAY Vitamin C Face Serum — a lightweight, oil-formulation serum powered by stabilized Vitamin C and deeply hydrating Hyaluronic Acid. Inspired by Korean skincare philosophy, this unisex serum is designed to brighten the appearance of skin, visibly reduce dark spots, 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 This Serum

• Brightening Vitamin C: Helps fade the look of dark spots and uneven skin tone for a more luminous complexion.
• Hyaluronic Acid Hydration: Draws moisture deep into skin layers, leaving your face feeling plump, smooth, and supple all day.
• Korean-Inspired Formula: Formulated with the precision and innovation K-beauty is celebrated for worldwide.
• Oil Formulation: A luxurious serum oil that glides effortlessly onto skin without feeling greasy.
• Unisex Design: Suitable for all skin types and genders — a versatile addition to any skincare routine.
• Moisturizing & Nourishing: Keeps skin deeply conditioned and visibly healthy with continued use.

How to Use

1. Cleanse and tone your face as usual.
2. Apply 3–5 drops of the serum to your fingertips.
3. Gently press and massage into your face and neck in upward circular motions.
4. Follow with your favorite moisturizer. Use morning and/or evening for best results.

Specifications

• Brand: TRSTAY
• Item Type: Face Serum
• Formulation: Oil
• Key Ingredients: Vitamin C, Hyaluronic Acid
• Feature: Moisturizing
• Gender: Unisex
• Pieces: One Unit
• Made in: Mainland China

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Trusted Skincare Resources

For more information on skin health and cosmetic ingredient safety, visit the FDA Cosmetics Safety page — an authoritative resource for understanding ingredient standards in personal care products.

Frequently Asked Questions

Q: What does the TRSTAY Vitamin C Face Serum do for my skin?

A: The TRSTAY Vitamin C Face Serum helps brighten skin tone, reduce the visible appearance of dark spots, and deliver intense hydration thanks to its Hyaluronic Acid and Vitamin C blend. With regular use, skin appears more even-toned, moisturized, and luminous.

Q: Is this Vitamin C serum suitable for all skin types?

A: Yes! This serum is formulated for unisex use and is generally suitable for all skin types. Its moisturizing oil formula is designed to absorb well without clogging pores. If you have particularly sensitive skin, we recommend patch testing before full application.

Q: How often should I use this face serum?

A: For best results, apply the serum once or twice daily — in the morning and/or evening — after cleansing and toning, and before your moisturizer. Consistent daily use will help you see the most noticeable improvement in brightness and hydration.

Q: Is this a Korean skincare product?

A: This serum is Korean-inspired in its formulation philosophy, embracing the multi-step, ingredient-focused approach that K-beauty is renowned for. The product is made in Mainland China under the TRSTAY brand.