By Dr. Margaret Husami NMD Medical Director at Derma Health Skin & Laser
The Allure of a Perfect Tan
As summer approaches, many people look forward to achieving the highly sought-after bronze glow. The idea of a perfect tan is often associated with lounging in the sun for extensive periods of time, but with the growing awareness of skin cancer risks and the dangers of UV exposure, we are left wondering how much time in the sun is truly beneficial for our health. Self-tanning products have been a popular alternative for years, offering a UV-free alternative; however, recently experts have taken a closer look at the ingredients in many of these products and new concerns have been raised.
Understanding Vitamin D: Why Sun Exposure Matters
Unfortunately, many people today avoid UV exposure entirely. This is contributing to a rise in vitamin D deficiency and an increase in related health issues amongst the population. The truth is that sunlight offers benefits that no self-tanner can replicate. While excessive UV exposure can harm your skin, cause premature aging, and increase your risk of skin cancer, a healthy amount of sun can provide essential health benefits. Some of these benefits include an increased production of beta-endorphins which are known to boost mood and reduce pain, regulation of circadian rhythms which helps us sleep, and one of the most important being vitamin D production. Notably, the vitamin D that our body produces through sun exposure is superior to supplemented vitamin D because it is more bioavailable. When we expose our skin to UV rays, it kick-starts vitamin D production, which helps regulate calcium levels and supports a healthy immune system. Adequate levels of vitamin D have also proven to lower the risk of chronic disease, cardiovascular disease, and even certain types of cancer.
Recommended Sun Exposure for Optimal Vitamin D
So, how much sun do we need? Recommended sun exposure depends on a variety of factors such as skin type and where you live. It is recommended to spend 10-30 minutes consuming sunlight at least three times a week. For those with fair skin, this may mean just 10-15 minutes of direct sunlight per week, while those with darker skin may need longer to produce the same amount of Vitamin D.
The Risks of Self-Tanning Products
Self-tanning products might seem like a more convenient and safe option, but they come with their own set of concerns. Many of these products contain dihydroxyacetone (DHA), which reacts with the outer layer of the skin to create the appearance of darker, more bronzed skin. While DHA is generally safe in low concentrations, overdoing it can cause potential risks. Overuse or extended exposure to DHA can lead to skin irritation, and there is some evidence suggesting that inhaling DHA, often found in spray tans, can be harmful to the lungs, impacting overall health.
In addition to DHA, many self-tanning products are packed with fragrances, preservatives, and other chemicals that could be irritating to sensitive skin or and we do not know what long-term effects they might cause. While these products may seem like a safer alternative to sun exposure, they can be far from ideal if you’re aiming for a truly healthy glow. Many of these ingredients have been linked to skin sensitivities and allergic reactions, and there’s still a lot we don’t know about the long-term effects of these chemicals on us over time.
Achieving a Healthy Tan: The Key to Balance
The key to achieving a healthy tan this summer is through moderation and balance. Safe sun exposure — around 10 to 30 minutes a few times a week — is key for vitamin D production and achieving that natural glow without overexposing your skin to harmful UV rays.
When it comes to self-tanning products, it is important to be selective. Look for those that contain fewer synthetic chemicals and read the ingredient list carefully. Go for products with more natural ingredients and avoid those with artificial fragrances, parabens, and phthalates. But keep in mind, no product can truly replicate the health benefits that sunlight provides. If you choose to use self-tanners, use them sparingly and always prioritize skin protection.
