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Skin science

We all love the sun, but did you know that prolonged exposure to sunlight can cause damage to your skin? Sun damage is a major contributor to premature skin aging, which can lead to wrinkles, age spots, and other signs of aging. In fact, studies show that up to 90% of visible skin aging is due to sun damage. In this blog, we'll explain how sun damage affects your skin and what you can do to protect yourself.

How Does Sun Damage Cause Premature Aging?

Sunlight contains ultraviolet (UV) rays, which can penetrate deep into your skin and damage the cells. Over time, this damage can accumulate and cause a variety of skin problems, including premature aging. Here are some of the ways that sun damage contributes to premature aging:

It Breaks Down Collagen and Elastin
Collagen and elastin are two proteins that keep your skin firm and elastic. UV rays can break down these proteins, causing your skin to become less elastic and more prone to wrinkles.

It Causes Oxidative Stress
UV rays can also cause oxidative stress, which is when there is an imbalance of free radicals and antioxidants in your body. This can lead to inflammation, cell damage, and premature aging.

It Triggers the Production of Melanin
When you're exposed to UV rays, your skin produces more melanin, the pigment that gives your skin its colour. This can cause dark spots and uneven skin tone, which can make you look older.

How Can You Protect Your Skin from Sun Damage?

Fortunately, there are many things you can do to protect your skin from sun damage and premature aging. Here are some tips:

Wear Sunscreen
One of the best ways to protect your skin from UV rays is to wear face and body  sunscreen. Choose a broad-spectrum sunscreen with an SPF of at least 30, and apply it liberally to all exposed skin. Don't forget to reapply every two hours, or more often if you're swimming or sweating.
Arm yourself with an SPF wardrobe, so you can switch up your sunscreen daily to whatever your skin needs.

Wear Protective Clothing
Another way to protect your skin is to wear protective clothing, such as long-sleeved shirts, pants, and hats. Look for clothing with a tight weave or built-in sun protection.

Seek Shade
If possible, seek shade during the hottest parts of the day, usually from 10 a.m. to 4 p.m. This is when the sun's rays are strongest and most damaging.

Avoid Sun Tanning
Sun tanning, whether at the beach (or in a tanning bed, although thankfully these are now banned in Australia but crazily they are still available on some other countries!), is not a safe way to get a tan. The UV rays emitted by the sun and tanning beds can cause significant sun damage to your skin, leading to premature aging and an increased risk of skin cancer. Instead, try a self-tanner or spray tan to achieve a healthy glow without the risk of sun damage.

In conclusion, sun damage is a major contributor to premature skin aging. Studies show that up to 90% of visible skin aging is due to sun damage. By protecting your skin from UV rays, you can help prevent wrinkles, age spots, and other signs of aging. Wear body and face sunscreen, protective clothing, and seek shade whenever possible to keep your skin looking young and healthy.