Free radicals: The secrets behind skin aging
What are free radicals?
When you are thinking about how to care for your skin to keep it youthful and radiant, you must first understand a fundamental concept: free radicals. These tiny yet powerful intruders can have a significant impact on the health and appearance of your skin, leading to premature aging.
To understand free radicals, we first need to talk about atoms. Atoms are the basic units of matter and consist of a central nucleus surrounded by electrons. We can imagine these atoms as small building blocks. Each atom consists of a nucleus in the center and electrons that orbit around it. These atoms require a certain number of electrons around them in order to be happy and stable.
However, some atoms become restless and acquire an extra electron that they should not have. We call these atoms “free radicals.” To calm themselves down, they constantly seek to steal electrons from other healthy atoms in your body, including those found in your skin. That’s why they are described as reactive oxygen species (ROS). Their behavior causes damage to cell membranes, proteins, and DNA.
Think about what happens to an apple or a banana after you bite into it and leave it out for a while. You notice that the fruit starts to turn brown. That is what happens when free radicals do their thing, only it takes decades rather than minutes.
The skin’s natural defense
Antioxidants are the body’s way of protecting itself from free radicals. These antioxidants help to keep everything in balance. However, this balance can break down as we age. When free radicals exceed the body’s ability to neutralize them, they begin to damage important parts of our cells, such as their “walls,” proteins, and genetic material, a process known as oxidative stress.
Some of the cells that are damaged are those that produce important components for keeping our skin firm and youthful, such as collagen and hyaluronic acid. These cells work hard when we are young, but their capacity naturally decreases over time. Oxidative stress accelerates this process.
As we age, our skin becomes less capable of dealing with free radicals on its own. This means that the aging process accelerates, and we begin to notice lines and wrinkles on our skin, as well as a tired appearance, earlier than expected.
How do they affect the skin?
Free radicals can negatively impact your skin in several ways:
- Premature aging: Free radicals can speed up the aging process of the skin, causing wrinkles, fine lines, and a loss of elasticity.
- Hyperpigmentation: Free radicals can stimulate melanin production, which can result in dark spots on the skin.
- Loss of collagen: Collagen is an essential protein for keeping the skin firm and youthful. Free radicals can damage collagen, leading to sagging skin with less elasticity.
- Inflammation: Free radicals can cause inflammatory processes in the skin, contributing to conditions such as acne and redness.
Fortunately, our skin has its own antioxidant defense system to combat free radicals. Antioxidants are molecules that can donate electrons to free radicals without becoming unstable themselves. This neutralizes the negative effect of free radicals and helps protect the skin.
Protecting your skin from free radicals
This is where cosmetics come into play. Many skincare products are now formulated with powerful antioxidants like vitamin C, vitamin E, retinol, and ferulic acid. These antioxidants not only help to neutralize free radicals, but they also stimulate collagen production, improve skin texture, and give you a more radiant complexion.
Free radicals can be an invisible threat to your skin’s health, but with an antioxidant-rich skincare routine and a carefully chosen sunscreen, you can keep your skin protected and radiant.
In summary, free radicals are unstable molecules that can damage our skin, but antioxidants found in cosmetics can help counteract their negative effects. Incorporate antioxidants into your skincare routine to help protect your skin from free radical damage.


Miriam Guerra
Beauty Training Manager
Miriam Guerra, Beauty Training Manager, has been part of the Lullage family for 15 years. She is a cosmetologist, image consultant, beauty specialist, and cosmetics trainer, and esthetician. Her greatest passion is working directly with beauty consumers: those who use, test, and understand what cosmetics do to their own skin.
Within Lullage, Miriam’s passion for the world of beauty is reflected in an outstanding team of advisors. These professionals communicate not only the benefits of treatments or routines, but also the values of a brand that has been walking alongside women for over 135 years.