By Dr. Jane Yoo|2025-10-13T04:16:34+00:00August 14th, 2025|Sun Protection|Comments Off on The Ultimate Guide to Physical, Chemical, Hybrid, and Next-Gen Sunscreens
New European Sun Care Testing Standards
Sunscreen in Europe undergoes meticulous testing to ensure safety of its products. However, the methods for testing SPF have been criticized. In December 2024, the International Standard Organisation (ISO) Central Secretariat published two SPF test methods now recognized as ISO Standard methods for testing. The methods are known as the Double Plate Method (DPM) and [...]
Why You Shouldn’t Mix Sunscreen with Other Products: Protect Your Skin the Right Way
In the search for smooth skin, many people combine skincare products, layering serums, moisturizers, and makeup. However, when it comes to sunscreen, mixing it with other products can compromise its effectiveness. Why Sunscreen Needs to Stand Alone Sunscreen is formulated to create a protective barrier on your skin that shields it from harmful UVA [...]
PA+ Rating: Measuring UVA Protection
You’ve definitely seen the letters ‘SPF’ on your sunscreen bottle, but what about ‘PA’? The PA+ rating system is another measurement for sun protection, but what does it stand for and what do all the ‘+’ signs after it indicate? SPF stands for Sun Protection Factor, and measures how long you receive protection from [...]
Keeping Infants and Children Safe in the Sun
The sun is out and the weather is warm...what parent doesn’t want their young children to go outside and play? However, one blistering sunburn during childhood or adolescence can nearly double a person’s risk of developing melanoma–the most serious form of skin cancer. To minimize the risk of developing skin cancer, it is critical for [...]
Protecting the Locks During Summer Activities
It is highly emphasized to protect your skin when going out in the sun, but hair requires the same attention, too! Hair can get damaged from the sun’s UV rays and from summertime activities, such as swimming. The heightened stress on our hair leads to dryness, dullness, and unhealthy hair. How the Sun Affects [...]
Sun Protection for Runners
If you’re a marathon runner (or even a casual jogger), you are likely training an hour or two everyday. That means you should be wearing sunscreen daily. The sun emits harmful UV rays year-round. Even on cloudy days, up to 80% of the sun’s UV rays can penetrate your skin. Applying sunscreen for sun protection [...]





