
Frequently Asked Questions
1. How long does it take to see results?
1. How long does it take to see results?
Most users notice that their skin feels more hydrated and smoother after the first few applications. Improvements in the appearance of firmness and fine lines may become more noticeable with consistent daily use over several weeks. Individual results may vary.
2. Is this serum suitable for sensitive skin?
2. Is this serum suitable for sensitive skin?
Yes. GRUNSEFY Copper Peptide Complex Advanced Firming Serum is fragrance-free and formulated with soothing ingredients like Ectoin and Allantoin. It is designed to be gentle enough for most skin types, including sensitive skin.
3. Can I use it with Vitamin C or Retinol?
3. Can I use it with Vitamin C or Retinol?
Yes. This serum pairs well with retinoids. If you're using a less stable Vitamin C serum, it's recommended to apply the Vitamin C in the morning and the Copper Peptide Serum in the evening.
4. Can I use this serum every day?
4. Can I use this serum every day?
Absolutely. The lightweight, fast-absorbing formula is designed for daily use, both morning and night. For best results, follow with a moisturizer, and apply sunscreen during the daytime.
5. What makes this serum different from other anti-aging serums?
5. What makes this serum different from other anti-aging serums?
GRUNSEFY is powered by a 1% Pure GHK-Cu Copper Peptide Complex, combined with a Peptide Complex, Hyaluronic Acid, Polyglutamic Acid, Ectoin, and Allantoin. Instead of relying on heavy fragrances or unnecessary fillers, the formula focuses on Real-world validation recognized ingredients that help support firmer-, smoother-, and healthier-looking skin.
















