Blue lips are most often caused when something is preventing you from getting enough oxygen into your body. Read on to discover some of the causes of…. Congested skin refers to skin that becomes bumpy, irritated, and acne-prone. Learn what causes it and how to treat it. Health Conditions Discover Plan Connect. Sunscreen vs. Sunscreen or sunblock? Sunscreen Sunscreen is a chemical defense, penetrating the skin and absorbing the UV rays before they reach and damage the dermal layers.
Sunblock Sunblock is a physical way to defend against ultraviolet UV rays. Many brands of sun protection offer a blend of sunscreen and sunblock. Should I use sunscreen or sunblock?
Other important label information. Three reasons to use sun protection. Ultraviolet radiation. Sunblocks, however, are formulated to stop the damage caused by UVB rays, the kind that cause a sunburn. But many sunscreens and sunblocks tick both boxes, helping to prevent wrinkles and sunburn. If used correctly, the side effects of sunscreen should be minimal. Klein , MD, tells Health. Both types of sun protection have their pros and cons, says Dr. She recommends sunblock for people with sensitive skin or skin conditions, because some of the ingredients in chemical sunscreen might cause irritation or an allergic reaction.
But ultimately, the best sun protection product is the one you like to use and works for your needs. For a general sunblock for the body, Dr. The easiest way to remember the difference between sunscreen and sunblock is by the end of the words.
As Ashley Magovern, MD, a board-certified dermatologist, explains, sunscreen will absorb and scatter sunshine before it can penetrate the skin. Typically speaking, Dr. Murphy-Rose says sunblock is more effective than its sister sunscreen. Sunscreen contains chemicals such as avobenzone, octocrylene, homosalate, octisalate, octinoxate, and oxybenzone, among many others. Though these do provide the sun protection we need, Dr. Most sunblocks utilize titanium oxide or zinc oxide as the active ingredient, which results in a thicker, more opaque consistency.
Some consider this to be a disadvantage because the consistency makes it difficult to spread all over the body. Secondly, many sunblocks are opaque and can be seen on the skin after application — and this may be aesthetically unappealing to you. You may notice people wearing sunblock, especially at the beach, because they will often have a streak of sunblock on their noses and on other parts of their faces.
There are some brands, like Neutrogena, that offer a less-visible sunblock. They are appropriate for children aged six months or older.
Sunscreen Ingredients. Sunscreens use a variety of chemicals that work to absorb harmful UV rays before they penetrate your skin. Some have active ingredients including oxybenzone or avobenzone.
Checking the label is important if you want to avoid fragrances or oils that are often added to sunscreens. Also, some sunscreens are formulated to include insect repellant, either a natural type or one that includes artificial chemicals. The AAD doesn't recommend using these because sunscreen should be applied liberally and reapplied often, while insect repellant should be used sparingly and less often. Many brands today are a blend of sunscreen and sunblock, so it's important to check the label if you have a sensitivity to certain chemicals.
Both sunscreen and sunblock provide protection against the sun. If you are sensitive to or allergic to certain ingredients, then that may guide your decision.
If you aren't sensitive to or allergic to certain ingredients, then it's simply a matter of personal preference.
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