The sun protection factor or SPF is a rating system used in sunscreen labeling to partially aid consumers in choosing the most suitable sunscreen product based on their use-case situations or specific intended application. The factor is based on a measure of the fraction of sunburn-causing ultraviolet rays that reach the skin. A Guide to […]
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Guide to Choosing a Sunscreen
Sunscreen provides protection against the harmful effects of exposure to ultraviolet radiation. However, not all sunscreens are made the same. Some use different classes of active ingredients in their formulation. Others can provide broad-spectrum protection against both UVA and UVB rays. There are also sunscreens with different ratings found in their labels. How to Choose […]
Titanium Dioxide vs. Zinc Oxide in Sunscreens
Both titanium dioxide and zinc oxide are used in the formulation of a specific variant of sunscreens. More specifically, these two mineral compounds represent one of the two categories of sunscreen formulation: physical sunscreens. Note that chemical sunscreens are based on organic compounds that protect against sunlight by absorbing ultraviolet radiation. On the other hand, […]
Explainer: How Sunscreens Work
Sunscreens have become essential in skin care due to the protection they provide from the harmful ultraviolet radiation coming from the sun. Other skincare products such as toners and serums have also included protection benefits against UVA and UVB radiation in their formulation through the addition of chemical or physical sunscreen actives. Nevertheless, to appreciate […]
Pros and Cons of Induction Cooking
Induction cooking is a method of cooking based on induction heating. More specifically, using electromagnetic induction to heat an electrically conducting object, it directly heats a cooking vessel. Note that gas burners and electric stoves are based on indirect heating, while convection ovens are based on convection and smaller ovens are based on thermal radiation. […]
Wireless Charging: Advantages and Disadvantages
Since the introduction of the Qi standard in 2010, more portable devices ranging from smartphones to wearables are starting to include wireless charging features. Note that this technology has also been used in electric vehicles, power tools, and medical devices. Pros: Advantages of Wireless Charging Wireless charging is a type of wireless power transfer based […]
MagSafe Charging: Advantages and Disadvantages
Apple reintroduced the MagSafe Charger in October 2020 alongside the announcement of the iPhone 12 series of smartphones. Note that the company first used the term “MagSafe” to refer to the proprietary magnetic charging cables and ports found in earlier versions of MacBook computers before replacing them with USB-C charging. The repurposed terminology now represents […]
Physical Sunscreen vs. Chemical Sunscreen: The Difference
There are two broad types of sunscreen products categorized according to their mode of action. Both provide protection against the adverse effects of UV radiation such as sunburns, photoaging, and skin cancer. It is also important to mention that the term “sunblock” was used in contrast to “sunscreen” to distinguish two different ways topical skincare products […]
Sunscreen vs. Sunblock: What is the Difference
There are topical skincare products specifically formulated to protect the skin from the damaging and potentially cancerous effects of the sun. They work by screening or absorbing ultraviolet radiation to prevent sunburns, photoaging, and skin cancers, among others. Some call these products sunscreens. Others call them sunblock lotions. What exactly is the difference between these […]
Android versus iOS Debate: Which One is Better
Legions of fans have sworn an unwavering loyalty toward their preferred mobile operating system. Without a doubt, the Android versus iOS debate has become a pop culture phenomenon. Armed with cash to purchase their latest Android or iOS device and access to the Internet to promote their cause, these people have demonstrated the extensive clout […]
