We all know that sunscreen is an essential step in our daily routines to maintain healthy skin and prevent sun damage, however you may be wondering what the difference between mineral and chemical sunscreens is, and how they actually work.
Sunscreen acts as a shield against harmful UV rays, therefore reducing the risk of premature ageing, sunburn, and skin cancer. While there is a variety of different sunscreen brands and formulations on the market, mineral sunscreen stands out as a safer, natural alternative for both our skin and the environment.
This article will answer the question “what is mineral sunscreen?”, delve into how it works, and explore why mineral sunscreen is a great addition to your daily skincare routine.
What Is Mineral Sunscreen?
Mineral sunscreen, sometimes called ‘physical sunscreen’, sits on top of the skin’s surface, forming a physical barrier that reflects and scatters harmful UV rays before they are able to penetrate the skin. Mineral sunscreens are composed of two active ingredients, Zinc oxide and titanium dioxide, which sit on top of the skin and reflect light. Unlike chemical sunscreens which often contain many synthetic ingredients, mineral sunscreens are considered ‘reef-safe’ and better for the environment, as common ingredients found in chemical sunscreens such as oxybenzone have been found to impact marine eco-systems and contribute to coral bleaching.
How Does Mineral Sunscreen Work?
Mineral sunscreens sit on top of the skin’s surface, forming a protective shield on the skin, deflecting both UVA and UVB rays to provide broad-spectrum protection. This physical barrier acts as a mirror, bouncing these harmful rays away from the skin. In contrast, chemical sunscreen absorbs UV rays. Once the light is absorbed into the skin, the ingredients within the sunscreen create a chemical reaction, converting these rays into heat which is then released back through the skin. Due to this process, chemical sunscreens can sometimes irritate sensitive skin types.
Key Benefits of Mineral Sunscreen
Now we understand the differences between mineral and chemical sunscreens, let’s explore some of the main benefits of using a mineral sunscreen:
Gentle on Sensitive Skin
Due to its physical nature, mineral sunscreens is perfect for use on those with sensitive skin, including people who suffer with conditions such as rosacea and eczema. In addition to this, as mineral sunscreens sit only on the surface of the skin, they are less likely to run into the eyes and cause that unpleasant ‘sunscreen sting’, unlike chemical alternatives.
Safe for the Environment
Unlike some chemical sunscreens, mineral sunscreens are reef-safe and free from chemicals such as oxybenzone and octinoxate, which can contribute to the damage of marine ecosystems.
Immediate Sun Protection
Mineral sunscreen works instantly upon application to provide immediate sun protection, whereas in contrast, chemical sunscreens take approximately 20 minutes to begin to provide protection.
Ingredients in Mineral Sunscreen
The two main active ingredients found in mineral sunscreens are:
- Zinc oxide: Offers excellent broad-spectrum protection against UVA and UVB rays. It is known for its soothing properties, making it perfect for sensitive skin.
- Titanium dioxide: A lightweight, natural mineral that provides effective UVB protection and is often combined with zinc oxide for broad-spectrum protection.
How to Apply Mineral Sunscreen Correctly
- Cleanse and moisturise your skin before applying sunscreen.
- Use a generous amount, ensuring even coverage on all exposed areas. We always advise using the ‘three-finger’ rule to ensure adequate protection. Click here to watch a helpful video.
- Reapply every two hours, especially after swimming or sweating.
- Don’t forget ‘hidden’ areas such as the ears, neck, and the back of your hands. These areas are often some of the first to show signs of ageing, as they are often forgotten.
Why Mineral Sunscreen Is a Great Choice
Mineral sunscreen offers unmatched benefits for skin health and the environment. Aside from shielding your skin from UVA and UVB rays, zinc oxide and titanium dioxide are natural components, which are non-comedogenic and oil-free, meaning they are a perfect choice for even the most sensitive of skins. By switching to mineral sunscreen, not only are you giving your skin a healthier alternative when it comes to protection, but you are also contributing to a healthier planet.
Explore Colorescience’s range of mineral sunscreens and experience the difference for yourself.
