What Sunblock Is Safe? The Ultimate Guide to Skin-Safe SPF | Rysun

Wednesday, 02/11/2026

Wondering what sunblock is safe for your skin and the environment? Discover the science of UV filters, ingredients to avoid, and Rysun’s 50-step safety standard.

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What Sunblock Is Safe? A Science-Backed Guide to Healthy Sun Protection

Introduction

In an era where skincare quality can be inconsistent, choosing the right sun protection is more than a matter of preventing a tan—it’s a matter of long-term health. At Guangzhou Rysun Biotechnology, our journey began when our founder, Ivy Wong, collaborated with Swiss anti-aging experts to solve the problem of unreliable skincare standards. Today, backed by our dedicated Research Institute and 253 intellectual properties, we are here to demystify the question: What sunblock is truly safe?

Here is our private label sunscreen collection, pls click here for more details.

 

1. Understanding the Two Types of Sunblock

To determine what is safe, you must first understand the two primary categories of UV protection:

  • Physical (Mineral) Sunblock: Uses active ingredients like Zinc Oxide or Titanium Dioxide. These sit on top of the skin and reflect UV rays like a mirror.

Safety Status: Generally Recognized as Safe and Effective (GRASE) by the FDA. Ideal for sensitive skin and children.

  • Chemical Sunblock: Uses ingredients like Avobenzone or Octisalate that absorb UV rays and convert them into heat.
    • Safety Status: Effective, but some ingredients are under scrutiny for potential skin irritation or hormonal impact.

2. Ingredients to Look For vs. Ingredients to Avoid

Our team of 20+ leading scientific researchers at the Rysun Research Institute emphasizes "Clean Science." When checking labels, look for these markers of safety:

  • Safe Bets: Zinc Oxide (broad-spectrum), Titanium Dioxide, and antioxidants like Vitamin E or Green Tea extract (which neutralize free radicals).
  • Ingredients to Approach with Caution:
  1. Oxybenzone: Often linked to hormone disruption and coral reef damage.
  2. Parabens: Used as preservatives but can cause sensitivity in some skin types.
  3. Synthetic Fragrances: A leading cause of contact dermatitis in sun care.

3. The "Rysun Standard": Why Safety is in the Science

At Rysun, we believe safety isn’t just about the absence of "bad" ingredients; it’s about the presence of rigorous testing. Every formula we develop for our 700+ partner brands undergoes a strict protocol:

  • 50 Inspection Procedures: From raw material purity to stability testing, we implement up to 50 individual checks.
  • Multidisciplinary Expertise: Our formulas are vetted by doctors and professors in dermatology and pharmacology to ensure they don't just "block the sun" but also protect the skin barrier.

4. How to Choose the Safest Sunblock for Your Skin Type

  • For Acne-Prone Skin: Look for "Non-comedogenic" mineral formulas.
  • For Anti-Aging: Since our roots are in Swiss anti-aging technology, we recommend sunblocks infused with peptides or hyaluronic acid to repair while protecting.
  • For Kids/Sensitive Skin: Stick to 100% mineral-based SPF 30 or higher.

Conclusion

What sunblock is safe? The answer lies in transparency and research-driven formulation. Whether you are a consumer looking for the best protection or a brand looking to develop a safe sun-care line, Guangzhou Rysun Biotechnology combines 10 years of expertise with high-tech development to ensure every drop of product meets the highest global standards.

 

FAQs

Q1: Is a higher SPF always safer?
A: Not necessarily. SPF 30 blocks 97% of UVB rays, while SPF 50 blocks 98%. Safety is more about the ingredients and the regularity of application (every 2 hours) than just a high number.

Q2: Are "Spray" sunscreens safe?
A: They are effective, but there is a risk of inhalation. If using a spray, we recommend spraying it into your hands first and then applying it to the face to ensure safety for the lungs.

Q3: What makes a sunblock "Reef-Safe"?
A: Reef-safe sunblocks avoid Oxybenzone and Octinoxate, which are known to cause coral bleaching. Rysun specializes in eco-friendly, mineral-based formulations that protect both your skin and the ocean.

Q4: How does Rysun ensure the quality of its sunblock?
A: We utilize our in-house Research Institute and a team of experts in biology and pharmacology to conduct 50 different inspection procedures, ensuring that every product exported to our 50+ partner countries is of premium, consistent quality.

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