Blog

Asking "Salicylic acid or retinol, which one is better for treating acne?" It depends on the type: Active Breakouts vs. Prevention. Rysun Biotech’s R&D experts compare the science and how to formulate for clear skin.

Wondering how to start a cosmetic line? From R&D to global compliance, we break down the process. Learn how partnering with Rysun Biotech’s Swiss-inspired experts makes launching a brand safe and affordable.

Asking "Which acid gives glass skin?" It’s a balance of exfoliation (Glycolic) and hydration (Hyaluronic). Discover how Rysun Biotech’s Swiss-inspired R&D manufactures the perfect Glass Skin regimen.

Asking "Which is better, kojic or glycolic acid?" One peels, the other inhibits. Rysun Biotech’s R&D experts compare the science and explain how to formulate for maximum brightening.

Wondering "how long does it take for kojic acid to lighten skin?" Visible results typically appear in 2-4 weeks. Learn why formulation stability is the secret to speed with Rysun Biotech’s Swiss-inspired R&D.

Confused by cosmetics manufacturing for beginners? From R&D to QC, we simplify the process. Learn how Rysun Biotech’s Swiss-inspired science and 50+ inspection steps help startups launch safely.

Asking "Which acid is best to remove dark spots?" We compare Glycolic, Kojic, Tranexamic, and Vitamin C. Discover how Rysun Biotech’s Swiss-inspired R&D formulates the ultimate brightening solutions.

A comprehensive 2026 guide to the best under-eye masks, featuring dermatologist insights, trending ingredients like peptides and caffeine, and a ranked list of top manufacturers.

Asking "Why am I getting darker after using kojic acid?" It’s likely irritation or oxidation. Learn how Rysun Biotech’s Swiss-inspired R&D stabilizes this ingredient to prevent rebound hyperpigmentation.

Wondering "What do Koreans use for dark circles?" It depends on the type: Pigment vs. Vascular. Discover how Rysun Biotech uses Swiss-inspired R&D to manufacture PDRN, Ginseng, and Peptide eye creams.

Asking "Does kojic acid remove dark spots?" Yes, by inhibiting tyrosinase. However, stability is key. Learn how Rysun Biotech’s Swiss-inspired R&D creates oxidation-resistant brightening serums.

Asking "Is it safe to use kojic acid serum daily?" Yes, if formulated correctly. Learn how Rysun Biotech’s Swiss-inspired R&D creates stable, non-irritating brightening serums for daily use.

Worried about kojic acid serum side effects? Contact dermatitis and sensitivity can occur. Learn how Rysun Biotech’s Swiss-inspired R&D and strict QC minimize risks through stable, pure formulations.

Discover the top kojic acid serum benefits for hyperpigmentation and melasma. Learn how Rysun Biotech’s Swiss-inspired R&D stabilizes this potent ingredient for maximum whitening efficacy.

Asking "What are the downsides of bakuchiol?" Impurities and slower results are the main risks. Learn how Rysun Biotech’s 99% pure extraction and Swiss-inspired R&D eliminate these downsides.

Discover the top bakuchiol serum benefits: anti-aging without irritation, pregnancy safety, and sun stability. Learn how Rysun Biotech uses Swiss-inspired R&D to manufacture high-purity plant-based serums.

Wondering how to start a skincare line? From R&D to manufacturing, we break down the process. Learn how partnering with Rysun Biotech’s Swiss-inspired experts makes launching a brand easy and affordable.

Asking "Retinol or Bakuchiol, which do you prefer and why?" One offers speed, the other offers safety. Rysun Biotech’s R&D experts compare the Gold Standard vs. the Natural Alternative to help you choose.

Wondering "What causes 90% of the skin wrinkles?" It isn't genetics. It’s UV exposure. Learn the science of photoaging and how Rysun Biotech’s R&D formulates powerful environmental defense skincare.

Wondering "What can you not mix Argireline with?" Avoid strong acids and pure Vitamin C. Rysun Biotech’s R&D experts explain the chemistry of peptide stability and how to layer safely.