News

Vitamin C serum is one of skincare's biggest stars—but is it scientifically worth the hype? Rysun Biotechnology's R&D experts confirm its power in anti-aging, collagen boosting, and brightening. Learn what makes a good Vitamin C serum truly effective.

Choosing the right moisturizer after applying a vitamin C serum is essential for maximizing antioxidant performance, protecting skin barrier function, and ensuring stability of the active ingredients. This article explains what type of moisturizer pairs best with vitamin C, why formulation science matters, and how brands can select the ideal post-serum moisturizer based on Rysun Biotechnology’s research-driven product development principles.

Curious about the real benefits of vitamin C serum? This article explains the science behind vitamin C, its key skin advantages, and how research-driven manufacturers like Rysun develop highly stable, effective formulas trusted by global skincare brands.

Vitamin C serum vs retinol—two of the most powerful and in-demand skincare actives. This article compares their benefits, differences, and ideal uses, and explains how Rysun develops stable, high-performance formulas trusted by global skincare brands.

This article explains the differences between pure vitamin C (L-ascorbic acid) and its derivatives, comparing stability, efficacy, skin tolerability, and formulation performance. Based on Rysun Biotechnology’s research and stringent quality-driven development approach, we explore which option is “better” depending on skin needs and product positioning.

Searching for the best vitamin C serum for glowing skin? Learn what makes a serum truly effective, discover the science behind brightening formulations, and see how Rysun Biotechnology creates high-performance, stable, and globally trusted vitamin C serums used by leading skincare brands. Includes expert guidance, ingredients to look for, FAQs, and SEO-ready TDK.

Searching for the best vitamin C serum for hyperpigmentation? This expert guide explains how vitamin C works to fade dark spots, the key ingredients required for real results, and how Rysun Biotechnology creates customized, high-performance brightening serums trusted by global skincare brands. Includes full content, FAQs, and SEO-ready TDK.

Wondering if vitamin C serum is safe for daily use? This expert-backed guide explains whether you can apply vitamin C every day, what skin types tolerate it, and how Rysun’s research-driven formulations ensure stability, safety, and effectiveness for global skincare brands.

Confused whether 10% or 20% vitamin C serum is better for your skin? This expert-backed article explains the differences, skin suitability, and how professional R&D teams like Rysun Biotechnology formulate the ideal vitamin C concentration for specific skin needs.

Discover what makes a vitamin C serum truly dermatologist-recommended. Learn the science behind high-performance formulations, key ingredients dermatologists trust, and how Rysun Biotechnology develops stable, effective, and globally trusted vitamin C serums used by top skincare brands. Includes expert insights, product criteria, FAQs, and SEO-optimized TDK.

A deep hydrating face cream is essential for maintaining long-lasting moisture, restoring the skin barrier, and improving overall texture. In this article, we explain what makes a face cream truly “deep hydrating,” the science behind effective formulations, and how Rysun Biotechnology — a professional R&D-driven cosmetic manufacturer — customizes advanced hydration solutions for global skincare brands.

Finding the best cream for facial skin dryness requires understanding what ingredients actually work and how the formulation supports long-term skin barrier repair. This guide explains the top features of the best creams for dry skin and introduces how Rysun Biotechnology — a research-focused cosmetic manufacturer with 10+ years of R&D experience — develops high-performance moisturizing creams for global skincare brands.

Discover what makes an effective face cream for dry skin and how Rysun Biotechnology develops customized, barrier-repairing, deeply hydrating formulas for global skincare brands.

Discover how Rysun Biotechnology designs face creams tailored to men’s skin — from hydration and oil control to anti-aging care. Learn the science behind male-specific skincare formulations and how the right face cream enhances daily grooming and skin health.

Discover the science behind Rysun Biotechnology’s advanced anti-aging formulations. Learn how clinically tested peptide complexes, retinoids, and biomimetic hydration systems work synergistically to reduce wrinkles and fine lines effectively.

Looking for a face cream that truly works on wrinkles? Discover how Rysun Biotechnology combines peptide innovation, retinol science, and moisturizing technology to create anti-aging creams with visible results.

Confused about whether to use a serum or a cream? Learn how each works, how to combine them, and how Rysun Biotechnology designs advanced skincare formulations to deliver both hydration and targeted treatment for visible, long-term results.

Explore the best makeup remover wipe manufacturers in 2026. RYSUN offers clean, good-quality wipes with innovative skincare solutions.

As skin matures, it needs more than hydration — it needs renewal. Discover how Rysun Biotechnology’s advanced firming face creams for older skin restore elasticity, smooth wrinkles, and deliver long-lasting resilience through science-backed innovation.

Saggy skin is one of the most common signs of aging, but it’s not impossible to reverse. Learn how to tighten sagging skin naturally and scientifically with proven skincare methods and Rysun Biotechnology’s advanced firming solutions.