FAQ Sunscreen Importance, Types, Uses, Side effect and More: It is important to wear sunscreen every day to protect your skin from the damaging effects of UV radiation. UV radiation from the sun can cause sunburn, premature aging, and skin cancer.
According to a study published in the Journal of the American Academy [1]of Dermatology, regular sunscreen use can help prevent the development of skin aging signs such as wrinkles and fine lines. Additionally, the study found that sunscreen use can help prevent the development of skin cancer.
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Another study published in the Journal of Clinical Oncology[2] found that daily use of sunscreen can help prevent the development of melanoma, the deadliest form of skin cancer. The study found that participants who applied sunscreen daily had a lower risk of developing melanoma compared to those who only applied sunscreen occasionally.
It’s also important to wear sunscreen every day, even on cloudy or overcast days. UV radiation can still penetrate through clouds and cause skin damage, so it’s important to protect your skin every day.
Why Sunscreen is important for us ? /Sunscreen Importance
Sunscreen is important for several reasons:
- Protection from harmful UV rays: Sunscreen protects your skin from the harmful effects of ultraviolet (UV) rays. UV radiation from the sun can cause sunburn, premature aging, and skin cancer.
- Prevents skin discoloration and hyperpigmentation: Exposure to the sun can lead to uneven skin tone and dark spots. Wearing sunscreen regularly can help prevent these issues.
- Slows down skin aging: UV radiation can speed up the aging process of your skin, causing wrinkles, fine lines, and age spots. Sunscreen can help prevent or slow down these signs of aging.
- Helps maintain skin health: Wearing sunscreen can help maintain your skin’s health and prevent skin problems such as dryness, redness, and irritation.
- Provides additional benefits: Many sunscreens contain additional ingredients that can benefit your skin, such as antioxidants, moisturizers, and vitamins.
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Types of Sunscreen
There are two main types of sunscreen: chemical and physical (also known as mineral). Both types of sunscreen can be effective at protecting your skin from the sun, but they work in different ways.
- Chemical Sunscreens: These sunscreens contain organic (carbon-based) compounds that absorb UV rays before they can penetrate your skin. Chemical sunscreens typically offer broad-spectrum protection and are lightweight and easy to apply. However, some people with sensitive skin may experience irritation or allergic reactions to certain ingredients in chemical sunscreens.
- Physical (Mineral) Sunscreens: These sunscreens contain natural minerals such as zinc oxide and/or titanium dioxide, which form a physical barrier on the skin’s surface that reflects UV rays. Physical sunscreens are gentle on the skin and are a good option for people with sensitive skin. However, they can sometimes leave a white cast on the skin, and they may feel heavier or more difficult to apply than chemical sunscreens.
What type of sunscreen is good for Skin?
When choosing a sunscreen, look for a broad-spectrum sunscreen that protects against both UVA and UVB rays and has an SPF of at least 30. Additionally, consider your skin type and any skin concerns you may have. For example, if you have dry skin, look for a moisturizing sunscreen, while if you have oily skin, look for an oil-free or mattifying sunscreen.
It’s also important to consider other factors such as the ingredients in the sunscreen, whether it’s water-resistant, and whether it has any additional benefits such as antioxidants or anti-aging properties. Lastly, it’s always a good idea to do a patch test before using a new sunscreen to check for any skin reactions or allergies.
What is mineral based sunscreen ?
Mineral-based sunscreens, also known as physical sunscreens, are sunscreens that contain natural minerals such as zinc oxide and/or titanium dioxide. These minerals act as physical barriers on the skin’s surface, reflecting and scattering UV radiation away from the skin.
According to a review article published in the Journal of the American Academy of Dermatology[3], mineral sunscreens are a safe and effective option for sun protection, especially for people with sensitive skin or those who are prone to allergic reactions. The article notes that mineral sunscreens are less likely to cause skin irritation or allergies compared to chemical sunscreens, which can contain ingredients that may be irritating or sensitizing to some individuals.
Additionally, mineral sunscreens have been found to be effective in protecting against both UVA and UVB radiation. A study published in the Journal of the American Academy of Dermatology found that a mineral-based sunscreen containing zinc oxide provided superior protection against UVA radiation compared to a chemical sunscreen containing avobenzone[4].
How to use sunscreen?
o use sunscreen properly, follow these steps:
- Choose the right sunscreen: Choose a broad-spectrum sunscreen with at least SPF 30, which means it will protect against both UVA and UVB radiation.
- Apply sunscreen before going outside: Apply sunscreen about 15-20 minutes before going outside to allow it to fully absorb into the skin.
- Apply enough sunscreen: Apply enough sunscreen to cover all exposed areas of the skin. The American Academy of Dermatology recommends using at least one ounce of sunscreen (about a shot glass full) for each application.
- Reapply sunscreen every two hours: Reapply sunscreen every two hours, or more frequently if swimming or sweating.
- Use sunscreen daily: Use sunscreen every day, even on cloudy or overcast days.
- Apply sunscreen correctly: Apply sunscreen evenly to all exposed areas of the skin, including the face, neck, ears, and any exposed areas of the scalp.
- Don’t forget to protect other parts of your body: Don’t forget to protect other parts of your body, such as your lips, with a lip balm that contains SPF.
Remember that sunscreen should be used in combination with other sun protection measures, such as seeking shade, wearing protective clothing, and avoiding the sun during peak hours.
By following these steps, you can help protect your skin from the damaging effects of UV radiation and reduce your risk of sunburn, premature aging, and skin cancer.
Is there any side effects of sunscreen?
While sunscreen is generally safe to use, some people may experience side effects. These can include:
- Skin irritation: Some people may experience skin irritation or allergic reactions to the ingredients in sunscreen. Symptoms may include redness, itching, or a rash.
- Acne: Some sunscreens can clog pores and contribute to the development of acne.
- Eye irritation: Sunscreen can cause eye irritation if it gets into the eyes.
- Allergic reactions: Some people may experience an allergic reaction to the ingredients in sunscreen, which can cause symptoms such as hives, swelling, or difficulty breathing.
- Hormonal disruption: Some studies have suggested that certain chemical UV filters used in some sunscreens may have hormonal effects and disrupt the endocrine system.
To minimize the risk of side effects, it’s important to choose a sunscreen that is appropriate for your skin type and to avoid using sunscreens that contain ingredients that you are allergic to. Additionally, it’s important to use sunscreen as directed and to avoid getting it in your eyes or mouth.
If you experience any adverse reactions to sunscreen, such as severe skin irritation or difficulty breathing, seek medical attention immediately.
References
[1] Hughes MC, Williams GM, Baker P, Green AC. Sunscreen and prevention of skin aging: a randomized trial. Ann Intern Med. 2013;158:781-790.
[2] Green AC, Williams GM, Logan V, Strutton GM. Reduced melanoma after regular sunscreen use: randomized trial follow-up. J Clin Oncol. 2011;29:257-263.
[3] Kwong C, Huang KE. Topical sunscreen agents. In: Wolverton SE, Comprehensive Dermatologic Drug Therapy. 3rd ed. Philadelphia, PA: Elsevier; 2013:525-529.
[4] Schroeder P, et al. Photoprotection beyond ultraviolet radiation – effective sun protection has to include protection against infrared A radiation-induced skin damage. Skin Pharmacol Physiol. 2010;23:15-17.